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Sunday, April 19, 2020

We are an oil mill based in mali, existing since 2006 and being specialized in the processing of cotton seeds into oil that was sold on the local market. Since 2018, we decided to diversify our oils and for this we started by acquiring baobab seeds that we transformed into baobab oil...

Friday, April 10, 2020

Still looking for a measuring unit that is simple to use, comfortable to operate and more importantly offering consistently reliable measuring results? Here is the answer HAWACH bottle-top dispenser. About HAWACH HAWACH was registered in the US, Germany, and China. The company's main...

Friday, March 20, 2020

Quantity : 30,000 sti - Price : 1USD—100USD

Stainless Steel Precision Parts LZQ is an OEM manufacturing facility for all sorts of dental implant associated parts, such as implant, screw, abutment, transfer, fixation pin, stopper, impression cap, healing cap, mount, analog, ect. We can produce a entire package of equipment...

Friday, March 20, 2020

Quantity : 1 - Price : 200 000,00 €

RayClouds has spectrometer for sale! CS-Series spectrometer used in R&D, which adapt HAMAMATSU TE-cooled back-illuminated CCD detector, the second is symmetrical low-stray optical path design. Compared with general spectrometer, CS-Series with high sensitivity, low stray light...

Friday, March 20, 2020

The HAWACH bottle-top dispenser is made of Optical glass, Al2O3, ETFE, PFA, FEP, PTFE, platinum-iridium alloy, and PP (hard hat) and it can dispense nearly any laboratory chemical. The notable exceptions are: Sodium azide: Found in many biology labs, and used as a preservative for buffers...

Friday, March 13, 2020

Generally, vacuum filtration can be used for collecting a desired solid too. Do not use vacuum filtration to filter a solid from a liquid if it is the liquid that you want for your applications. If the liquid is a low boiling, vacuum filtration is not a good choice either, because...

Thursday, March 12, 2020

What areSyringe filter syringe filters used for? syringe filter, also known as needle filter, cylinder filter, cylinder filter membrane filter, etc., is used for sample prefiltration, clarification of the removal of particles, liquids and gases, etc. What are the advantages of using...

Wednesday, February 19, 2020

Quantity : 1000000

Shandong Jingyanggang Metal Equipment Co., Ltd. (Shandong JYG Precision Casting) has been specialized in precision investment casting for over ten years. So we have a production line for shell mold casting. We can make any products the customers design. The maximum weight we can cast...

Saturday, January 25, 2020

Quantity : Per 1000 P - Price : $12.00USD

Product Description Product Name: 2017 Hot-sale Fashion Medical Disposable Nonwoven Shoe Covers Material: PP nonwoven Size: 16*40cm,17*38cm, 17*41cm,17*45cm, etc Type: Disposable, Non-skid,Dust-proof Feature: Breathable, Hygienic , Comfortable and biodegradable Advantage...

Wednesday, January 22, 2020

The sealing property of the headspace vial is better than that of the threaded vial, and the rubber or silica gel has good re-sealing after the puncture, so it is ideal to preserve the reagents. If some of the organic solvents in use will corrode the silicone or rubber bottle pad...

Thursday, January 16, 2020

Quantity : 30 sets/mo - Price : 1500USD-30500USD

Powder mixer machine is a mechanical device that uniformly mixes two or more materials by mechanical force, gravity, and the like. In the process of mixing, it is also possible to increase the surface contact area of the material to promote the chemical reaction; it can also accelerate...

Thursday, January 16, 2020

Quantity : 30 sets/mo - Price : 1500USD-30500USD

The mixer for laboratory automatically performs all movements such as clamping, rotation, and mixing. Equipped with a series of automatic lifting mixers and a variety of mixing hoppers of different specifications, laboratory mixer machine can meet the mixing requirements of large...

Tuesday, January 14, 2020

Filter paper can be qualitative and quantitative. In the application of analytical chemistry, after the inorganic compound is separated by filtration to separate out the precipitate, the residue collected on the filter paper can be used to calculate the loss rate during the experiment...

Monday, January 13, 2020

Hawach pipe tte is widely used in the clinical laboratory because of its simple structure and easy to use. Its basic structure mainly has the display window, the capacity adjustment part, the piston, the 0- shape ring, the suction tube and the suction head (suction nozzle) and so...

Saturday, January 11, 2020

Quantity : 1 - Price : 10000-500000USD

RayClouds has spectrometer for sale! CS-Series spectrometer used in R&D, which adapt HAMAMATSU TE-cooled back-illuminated CCD detector, the second is symmetrical low-stray optical path design. Compared with general spectrometer, CS-Series with high sensitivity, low stray light...

Friday, January 10, 2020

Quantity : 1 - Price : 100,00 €

Lab colorimeter is widely used in the color management field of plastics, printing, paint, ink, textile, printing metals, dyeing garments, household appliances and scientific research institution. According to the laboratory of CIE color space, Lch principle, the measurement shows...

Friday, January 10, 2020

Quantity : 1 - Price : 100,00 €

Laboratory Homogenizers Emulsification Heads Handheld Superfine Homogenizers AD145S-P 6G 0.2-10ml 1. Description of XZBELEC's AD145S-P high shear lab mixer AD145S-P ultrafine homogenizer is suitable for liquid / liquid mixing, emulsification, homogenization, liquid / solid powder dispersion...

Thursday, January 09, 2020

Hawach Scientific specialized in filtration products for more than decades years. All our filter papers are made from the imported membrane in the cleanroom. Before release to market, the products are consigned to the QC department for random inspection. In analytical chemistry, the...

Tuesday, December 31, 2019

Shandong Jingyanggang Metal Equipment Co., Ltd(JYG Precision Casting) was founded in 2007 in Yanggu, Shandong, China. Covering an area of 20000 square meters, the factory boasts advanced investment casting and shell mold sand casting producing lines to cater to the different needs...

Tuesday, December 17, 2019

Quantity : 500pcs - Price : 1.5-8.8

Product Features Resistance Bands are High-Quality Loop Bands Made Of 100% Natural Latex (Not Recommended for People With Latex Allergies nor Kids). We Strongly Believe In High Quality Of Our Bands and The Potential Results they will give you when used regularly. Resistance band training...

Friday, December 13, 2019

The electronic bottle-top dispenser is one of the most commonly used equipment in the laboratory. It is the most ideal tool to use titration and accurately transmit the volume of titrating solution. In general, we can use the electronic bottle-top dispenser to make potentiometric titration...

Thursday, December 12, 2019

The electronic bottle-top dispenser is one of the most commonly used equipment in the laboratory. It is the most ideal tool to use titration and accurately transmit the volume of titrating solution. In general, we can use the electronic bottle-top dispenser to make potentiometric titration...

Thursday, December 12, 2019

Vacuum filtration manufactured in Hawach Scientific has better experience in laboratory tests due to the elimination of chemical and mechanical pretreatment, and the ratios of filtration areas are extraordinarily improved. It can ensure an accurate and professional test work under...

Monday, December 09, 2019

During extraction, the sample to be tested is placed in the cellulose extraction thimble and put into the extraction tube. Petroleum ether was added into the extraction bottle, heated the extraction bottle, and petroleum ether was gasified. It rose into the condenser from the connecting tube...

Friday, November 29, 2019

Quantity : 100000pcs/ - Price : 1.5-8.8usd

Product Features Resistance Bands are High-Quality Loop Bands Made Of 100% Natural Latex (Not Recommended for People With Latex Allergies nor Kids). We Strongly Believe In High Quality Of Our Bands and The Potential Results they will give you when used regularly. Resistance band training...

Saturday, November 23, 2019

For companies that work with bulk and their products that require in big bags, we supply big bags for annual contract cooperation with huge weaving capacity. we supply jumbo bags , big bags , sling bags and sac pp Our Big Bags are ISO 21898 certified at the LABORDATA international...

Tuesday, November 05, 2019

Product Features Resistance Bands are High-Quality Loop gymnastics training resistance bands Made Of 100% Natural Latex (Not Recommended for People With Latex Allergies nor Kids). We Strongly Believe In High Quality Of Our Bands and The Potential Results they will give you when used regularly...

Friday, October 18, 2019

Scorch Tester(Sublimation Fastness tester),to determine fabrics Ironing color fastness and sublimation color fastness, and dimensional stability under hot dry conditions Testing Standards: ISO 105 X11/P01, BS 1006, AATCC 92/114/117/133, GB/T 5718/6152, DIN 54022/54060, JIS L0879/L0850...

Friday, October 18, 2019

The new G229P pneumatic bursting strength tester adopts pneumatic drum explosion principle. It can quickly and accurately test the fracture strength, bursting height, bursting strength and other physical property parameters when the test material is uniformly stressed on the larger test area...

Friday, October 18, 2019

The test chamber is manufactured from non-combustible heat resistant board with a counter weighted sliding panel for easy access. The mirror on top of the chamber allows the operator to view the specimens during the test. The Flammability Tester is used to test the effects of a small...

Friday, October 18, 2019

Fogging Tester is applicable in fogging test of automotives' interior decoration materials, that will volatilize under higher temperature Fogging tester can be used to test the fogging of the xenon lights Fogging Tester conforms to standards of: ISO 6452 DIN 75201 SAE J1756 Features...

Sunday, October 13, 2019

Solid phase extraction is a sample preparation method based on the chromatographic analysis. Solid phase extraction includes a solid phase (adsorbent with a certain functional group) and a liquid phase (sample and solvent). The liquid sample passes through a solid phase extraction...

Saturday, October 12, 2019

1.Usage HAWACH syringe filter is used with syringes to filter chemical turbid solution samples, most commonly used in chemical HPLC-MS/GC-MS analysis of liquid and air dedusting, sterilization filtration, biological sample preparation, tissue culture media, microbial media, buffer solutions, etc...

Saturday, October 12, 2019

It is well known that each laboratory has a large number of samples to be tested by liquid or gas chromatography. Consequently, there are lots of sample vials that need to be cleaned during the test even though it's time-consuming. Since the cleanliness of the vials may affect the test results...

Saturday, October 12, 2019

Simply speaking, the top space analysis is to analyze the gas in the sample bottle. Laboratory bottles for top spatial analysis are called top-empty bottles. The top spatial gas analysis in the experiments usually need the sample vials. Therefore, choosing suitable sample vials is more important...

Thursday, October 10, 2019

Laboratory vacuum filter is a common instrument in the laboratory, which can be used to separate particulate matter from liquid samples. The following points should be paid attention to in the daily use of vacuum filtration: 1. Suitable vacuum pump should be used to match the vacuum...

Thursday, October 10, 2019

Filter paper plays an important role in the laboratory experiments. Glass fiber filter paper is almost immune to the moisture, and the time of the filtration is not very long. The glass fiber filter paper will be used to filter the solutions that block the filtration pores of the...

Wednesday, October 09, 2019

Currently, syringe filter is designed for sterilizing and clarifying, and suitable for both medical and laboratory applications. Syringe filter offered by Hawach Scientific is manufactured in a controlled environment with an automated process, which ensures the quality and use value...

Wednesday, October 09, 2019

Simply speaking, the top space analysis is to analyze the gas in the sample bottle. Laboratory bottles for top spatial analysis are called top-empty bottles. The top spatial gas analysis in the experiments usually need the sample vials. Therefore, choosing suitable sample vials is more important...

Tuesday, October 08, 2019

There are two types of glass vacuum filtration that are particularly popular in the market – single-branch and multiple-branch vacuum filtration. Compared with the single-branch vacuum filtration, the multiple-branch vacuum filtration is more frequently used for laboratory sample...

Tuesday, October 08, 2019

Hawach glass fiber extraction thimble, made of borosilicate glass fibers, is a quite common tool used laboratory. Just like all the other kinds of extraction thimbles, it could also be used with most Soxhlet extraction devices in the market, and for other extraction, experiments required...

Tuesday, October 08, 2019

With the increasing difficulty of detection and the increasing requirement of detection, a large number of analytical instruments have entered the laboratory, and bottle top dispenser is one of them. The characteristics of the bottle top dispenser are described in detail below. 1...

Monday, September 30, 2019

Syringe filters are widely used in the laboratory. They do not need to change membranes and clean filters, thus eliminating complex and time-consuming preparations. It is mainly used for sample pre-filtration, clarification and bacterial filtration of particles, liquids and gases...

Monday, September 30, 2019

Features of Sample Vial Sample vial supplied by Hawach has its special merits, concretely speaking, our company always has a keen sense of smell to the market, keep continuously improve our product quality and production efficiency. Whole sample vials are featured in good quality control...

Monday, September 30, 2019

SPE is a kind of sample production technology which is more and more useful in which many problems related to liquid and liquid extraction could be avoided, such as the incomplete separation, non-quantitative recycle, the use of expensive and fragile glass vessels, massive organic...

Thursday, September 26, 2019

Hawach vacuum filtration is made of transparent polymer material polystyrene (GPPS), which uses a vacuum pump to provide pressure difference for large-scale filtration of tissue culture fluid and other laboratory fluid solutions. The sample throughput can reach several liters, and...

Tuesday, September 24, 2019

Room environment refers to simulate natural climate environment in the space of valid range test types are: high and low temperature test box, high low temperature test box, thermal shock test box, glycol refrigeration heating system, salt fog test box, high and low temperature (heat) test box...

Tuesday, September 24, 2019

Syringe filter is suitable for the filtration of a small number of samples in the laboratory. The adsorbability of syringe filter to samples is weak, which ensures the large number of recovery of small or high-value samples. The outer shell of the filter is made of polypropylene and...

Tuesday, September 24, 2019

Screw thread top sample vials have excellent chemical stability, sealing and corrosion resistance, and are available in both transparent and amber. The cap of sample vial has a solid lid and a perforated lid, which can be divided into black and blue. This series of products are designed...

Monday, September 23, 2019

CS-Series spectrometer used in R&D, which adapt HAMAMATSU TE-cooled back-illuminated CCD detector, the second is symmetrical low-stray optical path design. Compared with general spectrometer for sale, CS-Series with high sensitivity, low stray light, wide dynamic range, high repeatability...

Monday, September 23, 2019

DM series backlight module optical measurement systems, which carries the luminance meter mainly for luminance and color uniformity measurement of backlight module. Nine models of vertical and horizontal structures based on your product size and placement, starting from DM-205 system...

Friday, September 20, 2019

Price : 1-100usd

Description of stainless steel precision parts LZQ is an OEM manufacturing facility for all sorts of dental implant associated parts, such as implant, screw, abutment, transfer, fixation pin, stopper, impression cap, healing cap, mount, analog, ect. We can produce a entire package...

Thursday, September 19, 2019

Hawach scientific always focus on providing high-quality laboratory instruments, consumables, and services for users in the field of life medicine and chromatography. We adhere to the customer as the center, rapid response to customer needs, continue to create long-term value for...

Thursday, September 19, 2019

The filter paper used in the analytical laboratory performs a strong absorption effect for liquids, which can separate the solution from the solid. The filter paper produced domestically could be divided into three types, including qualitative filter paper, and quantitative filter paper...

Wednesday, September 18, 2019

The capsule filter is small in size and mainly used in purification and filtration of chemicals, pharmaceuticals, microelectronic reagents, etc. The filter medium is placed in the interior of the capsule filter in the form of folds, which enlarges the filtering area and ensures the...

Tuesday, September 17, 2019

Application Description With the development of vacuum acquisition technology, its application has expanded to all aspects of industry and scientific researches. Generally speaking, the vacuum application means utilizing of the special physical environment of rarefied gas to accomplish...

Tuesday, September 17, 2019

Hawach Scientific product quality in strict accordance with ISO9001: 2000 quality system certification procedures, and from now on we have exported to more than 120 countries. Overview of qualitative filter paper, analysis laboratory commonly used filter paper as a filter medium,...

Monday, September 16, 2019

Push-in Type The design of push-in automatic sample vial is also common, which is very similar to the manual sample vial. The syringe moves to the sample vial inhale a predetermined amount of sample, then moves to the injection port, and injects the sample into the sample ring. The...

Friday, September 06, 2019

Quantity : 1000 - Price : 100USD-10000USD

Colorimeter is widely used in the color management field of plastics, printing, paint, ink, textile, printing metals, dyeing garments, household appliances and scientific research institution. There are many kinds of colorimeter, such as lab colorimeter and spectrophotometer color meter...

Friday, August 30, 2019

Source of Pollution Potential sources of pollution include the following: 1. Pollution from the previous sample which remained in the sample vial. 2. Pollution from the sampling position. 3. Pollution from water remained on the sampling rope. 4. Pollution from the sample vial itself...

Thursday, August 15, 2019

In the detection of air pollution, taking samples with glass fiber extraction thimble is a common method. And here we will focus on one reason having an influence on weighing the extraction thimbles, which is the air humidity. As we all know, the environment when analyzing is limited...

Thursday, August 15, 2019

The similarities FLASH and SPE are all column chromatography separation technology. FLASH is a fast separation mode for preparative chromatography, using optimized pre-packed low and medium pressure columns for chromatographic separation. The separation mechanism, stationary phase...

Wednesday, August 14, 2019

Hawach MCE membrane filters belong to the terminal filtration membrane, fast flow rate and not easy to absorb. The surface is smooth, the texture is thin, the void ratio is high and the microporous structure is uniform. Application of MCE membrane filters Filtrating bacteria and particles...

Tuesday, August 13, 2019

Pipettes are widely used in the laboratory. Proper operation and use of pipettes can improve work efficiency. What are the six common operational misunderstandings of pipettes? Pipettes are widely used in laboratories. The correct operation and the use of pipettes can improve work efficiency...

Tuesday, August 13, 2019

Laboratory vacuum filtration equipment is specially designed for laboratory workers to maintain solid-liquid separation of liquid samples. Operation Procedures of Diaphragm Vacuum Pump 1. Put the glass filter flask on the stainless steel workbench, and insert the silica gel plug of...

Tuesday, August 13, 2019

Filtration is a kind of physical changes which separate solid impurities from the liquid through porous filter media, only fluid can pass by the porous filter media. So the degree of retention determines the separation efficiency. Hawach provides various options to satisfy every laboratory...

Tuesday, August 13, 2019

Syringe filter is suitable for filtering a small number of samples in the laboratory because of its low adsorbability. The low adsorbability ensures a large amount of recovery of small or high-value samples. The shell of the filter will not pollute the samples. It has stable quality...

Monday, August 12, 2019

With the continuous development of the sample vials, more and more types and functions of the sample vials appear in laboratory analysis. The capacity of sample vials is bigger and bigger. The sampling speed of the sample vials is faster and faster. The sampling accuracy is higher and higher...

Monday, August 12, 2019

The filter capsules are ready-to-use units for the filtration of media containing particles. They are also used for removing biologicals in pharmaceutical and biotechnology applications. Other applications are like easy sample preparation, separation of cell debris, filtration of...

Friday, August 09, 2019

Filter Paper is a tool commonly found in chemical laboratories for separation of two-phase, and usually round in shape. To filter two phases so as to separate and purify matter, most of the filter paper is made of cotton fiber and is made in different ways for different purposes....

Thursday, August 08, 2019

As a single-use filter cartridge, Syringe filters are utilized to remove particles from the sample prior to high-performance liquid chromatography (HPLC). The scientists like to attach them to the end of the syringes for general filtration, as syringe filters are affordable and convenient...

Wednesday, August 07, 2019

Pipe ttes are often used to remove a small amount of liquid in the laboratory. Micropipette first appeared in 1956, invented by Schnitger who is a scientist of the Institute of physiology and chemistry, Germany. Pipettes of different specifications are equipped with different sizes...

Wednesday, August 07, 2019

This product is just what you need, except for the extremely special cases in those days, and when you want to try new technology, you use this economical and practical model, the material is very secure, and it is also easy to purchase, so it is the best choice in the laboratory...

Wednesday, August 07, 2019

Each analyst needs filter paper, which is a product with high consumption in the laboratory. Filter paper is commonly used in analytical laboratories as a filter medium to separate the solution from the solid. Basic introduction The paper is loose and has strong absorption performance to liquid...

Monday, August 05, 2019

Vacuum Filtration is a device for accelerating water filtration by negative pressure caused by air extraction. It's a filtering product that most lab customers will be used for suspension detection in water extraction filtration, microbial limit detection extraction filtration, chromatographic...

Monday, August 05, 2019

QuEChERS method has unique advantages in pesticide residue analysis. Due to the irrational use of pesticides and inadequate supervision of pesticide use, people may suffer from acute or chronic pesticide poisoning after eating pesticide-contaminated food, and even threaten human health...

Friday, August 02, 2019

Flash column pressure has something to do with the form of silica gel, the mesh number, the synthesis condition of filler, the condition of column packing, the mobile phase, and the temperature when analyzing. Different manufacturers' new flash columns, their column pressures may...

Thursday, August 01, 2019

Hawach standard diaphragm vacuum pump, with advanced design, high working efficiency, and long service life, is a new generation of high-tech integrated products. It is also used in medical and pharmaceutical products in addition to suitable applications for circulating water vacuum...

Wednesday, July 31, 2019

- The Selection Principle of Silica Gel Column - Commonly, the maximum sample loading volume of a silica gel column is about 1/20 of the volume of the column's silica gel. However, as a practical matter, specific sample loading volume should be decided by each constituent's degree...

Wednesday, July 31, 2019

Solid phase extraction (SPE), developed in the 1970s, can replace the traditional liquid-liquid extraction in many fields and has been applied more and more widely in the laboratory. The common solvent of SPE Hexane, isooctane, tetrahalide carbon, trihalomethane, dihalomethane, tetrahydrofuran...

Tuesday, July 30, 2019

Pipettes are an indispensable routine in the laboratory. They are used by every researcher, especially in the biological, pharmaceutical, chemical and other industries. The durability and accuracy of the corresponding pipettes are of the utmost concern. Some customers often mention...

Tuesday, July 30, 2019

Increasing the rate of filtration through the force on the solution over gravity, vacuum filtration is an operation of evacuating the air below the filter paper to maintain the pressure differential across the filter medium. It is widely applied in the laboratory for various tests...

Monday, July 15, 2019

Laboratory data show that the optimum flow rate of silica gel flash columns is decided by the length and width of columns and the property of gel. To be more specific, longer and narrower columns will provide more theoretical plates which are able to affect the flow rate. When referring...

Monday, July 15, 2019

Laboratory workers use a membrane to filter two phases. Actually, the membrane is a kind of media. According to different aperture sizes, filter membranes can be divided into the microporous membrane, ultrafiltration membrane, nanofiltration membrane a nd reverse osmosis membranes...

Friday, July 12, 2019

Hawach Scientific mission is to work with our customers to make the world healthier, cleaner and safer. We help our customers accelerate research in the life sciences, solve complex problems and challenges in the analytical field, promote the development of medical diagnostics, accelerate...

Friday, July 12, 2019

Today, Hawach want to talk about the pre-treatment process for pesticide residue detection from the perspective of food safety – QuEChERS, and also tell you how to pre-treat pesticide residue food. Introduction The present analytical methods and determining techniques, pre-treatment...

Thursday, July 11, 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

Thursday, July 11, 2019

With the development of society and technology, chromatographic analysis theory has also been developing rapidly. HPLC column has now been widely applied in every field of laboratory analysis. HPLC column gathers function of both detection and separation. With the right choice, use...

Wednesday, July 10, 2019

Hawach standard diaphragm vacuum pump, with advanced design, high working efficiency and long service life, is a new generation of high-tech integrated products. It is also used in medical and pharmaceutical products in addition to suitable applications for circulating water vacuum...

Wednesday, July 10, 2019

A bottle-top dispenser is a device installed at the mouth of a solvent bottle to take a large amount of solution and has been constantly updated and improved to meet the growing operational requirements of the laboratory for more than ten years. There are two kinds of bottle-top dispensers...

Tuesday, July 09, 2019

Consisting of a filter medium and housing or holder that constrains and supports the syringe filter media in the sample's path, filters are good tools when you need removing particulates from samples in the lab. We have three basic types of laboratory filters. Membrane filters size...

Monday, July 08, 2019

The laboratory vacuum filter unit is designed for laboratory users to filter solid-liquid separation of liquid samples. Stai nless Steel Vacuum Filtrations operation steps: 1. Place the glass filter bottle on the stainless steel vacuum filtrations and insert the silicone plug of...

Friday, July 05, 2019

Hawach scientific is a professional vacuum pump manufacturers, product quality through a number of international standards, and exported to more than 120 countries all over the world. More detail information and quotation about the products contact with info@hawach.com. Diaphragm...

Friday, July 05, 2019

The equipment and equipment in the laboratory are as comprehensive as the natural world. They say that the sparrows are small and complete, but in the laboratory, the same small but indispensable instrument has a micropipette</ strong> for biochemistry. An essential tool for...

Thursday, July 04, 2019

Flash column chromatography method is to separate the constituents from the mixture and thus purify it. In a word, flash column chromatography makes the samples go through the column which is filled with gel to achieve separation. In the beginning, the founder of flash column chromatography, Mr...

Thursday, July 04, 2019

Brief introduction of the capsule filter The bag filter is also called abandoned filter. Its shell is made of high-temperature polypropylene material. The inner filter core is made of folded filter core welded together by hot fusion. It is suitable for filtering small doses of liquid...

Thursday, July 04, 2019

Hawach Three-Branches Vacuum Filtrations system is an important branch of the vacuum filtration unit. Unlike a typical suction unit, each set can only filter one set of samples. The biggest feature is that at the same time, rely on a set of equipment and a suction pump. Three sets...

Tuesday, July 02, 2019

Hawach bottle-top dispenser combines the latest liquid accurate dispensing technology, high-tech materials, and ergonomically designed advanced dispensers, which are simple, safe, reliable and highly accurate laboratory liquid handling equipment. Bottle-top dispenser features 1. Fast...

Friday, June 21, 2019

Flash chromatographic column, also called rapid chromatographic column(rapid column crossing, which means gradient elution, decompression or pressurization of the column), medium pressure chromatographic column（for example, rapid elution is achieved by pressurizing with nitrogen and...

Thursday, June 20, 2019

Basic Knowledge of Vacuum Filtration Based on the principle that under the same pressure (vacuum degree), the vaporization temperature of the water is lower than that of oil, scientists make practical equipment which is called vacuum filter. In fact, vacuum filtration is the most...

Wednesday, June 19, 2019

Hawach Scientific Co., Ltd is main laboratory supplies and industrial filter manufacturing enterprises, from raw materials and production process to ensure the maximum quality monitoring, each batch of a strict quality testing and product warranty. At present, users are distributed...

Wednesday, June 19, 2019

In order to evaluate water quality, laboratory workers need to analyze the chemical constituents of water. At the same time, they have to consider the interactions between each constituent and the factor of photolysis when choosing the sample vial. It is better to shorten the sample's...

Tuesday, June 18, 2019

In laboratories where the pipe ttes are used frequently, it is often heard that the sound of tapping the tips is one after another, adding a bit of music to the boring laboratory life. When you look into it, the user is afraid that the tip can't be tightened. After the tip is attached...

Tuesday, June 18, 2019

Hawach glass solvent filters is an important part of laboratory filtration, and many customers often encounter cleaning problems when using glass solvent filters. The conventional cleaning methods mainly include the following: 1. Soaking with an acidic solvent: The advantage of this...

Tuesday, June 18, 2019

A more efficient way to extract compounds from solid materials—Soxhlet extraction (also known as sand extraction). In the laboratory, Soxhlet extractor uses solvent reflux and siphon principle, so that the solid substance is continuously extracted by pure solvent, which saves solvent...

Tuesday, June 18, 2019

As an indispensable experimental instrument for laboratory liquid operation, the bottle-top dispenser has the following characteristics. (1) The setting operation is simple, and the protective gloves can be worn to operate directly in the process of operation. In addition, it has...

Tuesday, June 18, 2019

Qualitative filter papers usually apply to filter at atmospheric pressure, which uses the ability of the material to remove particles to separate the liquid and solid of the sample. It covers most of the laboratory applications, is used commonly for liquid clarification and, sometimes...

Tuesday, June 18, 2019

The primary feature of the vacuum filtration that it uses the classical oil-free pump with sand core filter bottle combination, which is suitable for most Laboratory filtration needs of universal filtering products. The characteristics of this product will be described in detail below...

Tuesday, June 18, 2019

The main components of Wuxi Top Asia with German import parts, excellent performance, fast temperature rise, good reliability, is ideal for the equipment of the environmental testing laboratory. At present, the company's products have been sold well in Britain, Germany and France...

Saturday, June 15, 2019

ETo obtain accurate separation of your sample, mobile phase, and other liquid, the perfect tool that you need is laboratory filters. An analysis of physical specifications and performance specifications is required when selecting filters. Physical specifications for laboratory filters...

Saturday, June 15, 2019

What is SPE Cartridge? The term SPE cartridges is short for Solid Phase Extraction cartridge. It is a kind of sample preprocessing equipment (extract, separate and concentrate) which is developed from the chromatographic column. SPE cartridge is mainly used for preprocessing of the...

Friday, June 14, 2019

a. Application PP membrane filter is used to filter out bacteria and particles from the liquid in the pharmaceutical, electronic and biological manufacturing industry, brewing, clocks and watches, medical oil, lubricating oil, the fuel oil industry, and a scientific laboratory. Generally...

Thursday, June 13, 2019

Introduction of Hawach scientific filtration manifold Multifilter is designed and manufactured for the simultaneous filtration of multiple samples. At present, when the laboratory carries on the filtration to the solution, generally USES the glass material sand core filtration device...

Thursday, June 13, 2019

A. Cellulose Extraction Thimbles 1. 60% high purity grade polar fiber+40% refined cotton fiber no any binding agents which make it has stronger mechanical strength and stronger retention 2. 6 wall thickness optional to meet different retention and wet strength, dry strength increasing...

Thursday, June 13, 2019

It's important to know the way to choose the right syringe filter for filtration. And the membrane materials used for manufacturing syringe filters often determine your choices. Let's learn the different types of membrane materials for filtering in the lab. As the most popular membrane...

Thursday, June 13, 2019

In order to evaluate water quality, laboratory workers need to analyze the chemical constituents of water. At the same time, they have to consider the interactions between each constituent and the factor of photolysis when choosing the sample vial. It is better to shorten the sample's...

Wednesday, June 12, 2019

Hawach introduces pipettes from the pipetting speed of the pipette and precautions during storage. First, the rate of liquid absorption. It is often seen in the laboratory that in order to “improve efficiency”, the user quickly releases the thumb during aspiration, which causes the...

Tuesday, June 11, 2019

Quantity : HIGH - Price : 12,00 €

Taizhou Huaxing Sanitary Ware Co., Ltd. Specializes in sanitary ware and fitting of “Huaxing” brand, it owned the abundant power of technology and manufacture, and integrated with R&D, manufacture,marking and after service. In order to agree with the rapid development of sanitary...

Tuesday, June 11, 2019

Cellulos e acetate (CA) syringe filters Features: Cellulose acetate (CA) syringe filter has good hydrophilicity, low protein adsorption, and no nitrate. Applications: (1) groundwater filtration; (2) biological and clinical liquid filtration. Mixed cellulose (MCE) syringe filters Features...

Tuesday, June 11, 2019

Overview To determine the physical and chemical parameters of natural water, laboratory workers always use polyethylene and borosilicate glass sample vials for common sampling. Furthermore, it is better to use chemically inert material. The frequently-used sample vialshave multiple...

Friday, June 07, 2019

Pipettes are common and necessary laboratory equipment in the laboratory, and the experimenter must be very cautious about their daily use. However, many people will ignore the related maintenance and maintenance of the pipette after use. Precautions for maintenance: 1. Regularly...

Friday, June 07, 2019

As mentioned before, Hawach Scientific is a dedicated manufacturer who focuses on R&D, manufacture, and marketing of micro-porous filtration and laboratory consumables products under ISO9001 quality management system. Today we'd like to introduce you how to purchase filter paper from Hawach...

Thursday, June 06, 2019

The glass fiber filter is chemically inert and contains no binder. It is made of 100% borosilicate glass fiber. It has a capillary structure, can absorb more water than the same cellulose filter paper, has the characteristics of fast flow rate, high-temperature resistance and strong...

Wednesday, June 05, 2019

Hawach summarized the advantages of QuEChERS in eight aspects. 1. Recovery Rate QuEChERS technology has the advantage of high recovery rate. Experimental data show that the recovery rate of large quantities of polar and volatile pesticides by QuEChERS is above 85%. 2. Accuracy Laboratory...

Tuesday, June 04, 2019

The laboratory vacuum pump is a basic instrument that can be used with a variety of instruments and equipment. It is very versatile. With the continuous upgrading of laboratory equipment, the requirements for vacuum pumps as auxiliary instruments are also increasing. Standard diaphragm...

Saturday, May 25, 2019

Hawach's name by Chinese means “the Cambrian”, also the Cambrian explosion. Here means we will keep on the way to become century enterprises and do better solutions for our clients, we also take responsibility for protecting reputation of the goods “made in China” For customer, we...

Monday, May 20, 2019

For explosion-protected areas Dial Switch Temperature Transmitter is an integrated ultra-stable temperature transmitter with explosion-protected shell, built-in imported PT100 high-anciency temperature sensor,; used in instruments and apparatus system, laboratory, engineering machine...

Sunday, March 31, 2019

The Exhaust Surge Tank System includes a Flex Exhaust Manifold, a Surge Tank and cooling Water Drainpipe, those are connected with the octane engine. Exhaust Surge Tank System is a complete surge tank fuel system for eliminating resonance pulses and back pressure during the octane...

Friday, March 22, 2019

Quantity : 20'

GOTTLAND Sprl is a Belgian based young trading company founded in May 2017 and pecialized in medical disposables and pharmaceuticals chemicals. We are looking to developp our activities and collaborate with your esteemed company. We offer a large range of disposables such as -syringes...

Friday, March 22, 2019

Quantity : 1000 - Price : 50,00 €

Specification Step angle accuracy: 1.8°±5% Resistance precision: ±10% Inductance precision: ±20% Temperature: 100° Storage environment temperature: -20°~+70° Ambient temperature: -40°~+50° Radial runout: 0.05mm Max Pressure resistance: 500V AC Iminute Number of elicited lines: 4-Wire Phase...

Saturday, February 02, 2019

Biological Microscope 1. Biological Microscope, is a type of professional biological microscope for laboratory or hospital, equipped with high quality infinity optical system, provides excellent optical performance. 2. Lab Microscope, the streamline figure and pastel color, it has...

Sunday, January 20, 2019

SMS Surgical Gown A standard product for hospitals and laboratory environments where person needs moderate protection from infectious or chemical contamination Location : Block 8, Shangjing Masion, Panlongcheng Economic Development Zone, Huangpi District, 430300 Hubei, Contact : Lin Leeou...

Monday, December 17, 2018

- Ultrahigh Type Wooden Movable Partition - - Excellent design proposal. - The prompt and competitive price. - Strict quality-compliance and punctual delivery. - Organize the shipment for you. - Timely service and efficient response. - Three years warranty. Gaoyou ultrahigh...

Thursday, December 06, 2018

Quantity : 1 - Price : 771,00 €

China Factory Vacuum Negative Pressure Stationery Packaging Seal Test Machine Product Description Application : This machine applies to food, pharmaceutical, medical equipment, cosmetic, automotive, electronic components, stationery and other industries bags, bottles, tubes, cans...

Tuesday, December 04, 2018

Quantity : 1000 - Price : Contact us

- What are the procedures for ASTMF963 certification? - What information is required? What is the test for ASTMF963? The ASTMF963 toy safety standard is a mandatory certification standard in the United States. In the past few years, the global toy industry has undergone rapid development...

Saturday, December 01, 2018

Quantity : 10000 - Price : Contact me

巴西INMETRO测试充电器/适配器/电源，巴西INMETRO证书 我们在完成巴西安全要求INMETRO测试和认证方面拥有丰富经验，请联系我们获取详 细信息。 LCS是一家提供全面服务的EMC /安全/射频/能效测试实验室，为国内，国际提供测试，咨询和解决问题的能力。 LCS还获得ISO Guide 17025认证，是FCC / TCB和欧洲EMC和R＆TTE指令公告机构的良好合作伙伴。 LCS的测试站点来自UL，FCC，加拿大工业部，VCCI，ILAC-MRA和CN AS，CMA，TUV-SUD，Intertek，Nemko，DEKRA，< /p...

Saturday, December 01, 2018

Quantity : 1000 - Price : Contact me

In the past, each European country had their own standard requirements on the import and sale of goods, and goods made for one country were not likely to be compliant in other countries. As part of the efforts to eliminate trade barriers, the CE certification was introduced. Therefore...

Saturday, December 01, 2018

Quantity : 1000 - Price : Contact me

- ENERGY STAR® Recognized Lab - ENERGY STAR® is a U.S. Environmental Protection Agency (EPA) voluntary program that helps businesses and individuals save money and protect our climate through superior energy efficiency. Launched in 1992 to help consumers identify products which are...

Saturday, December 01, 2018

Quantity : 1000 - Price : Contact me

LCS is a California Energy Commission (CEC) Title 24 Approved Test Lab and provides Test Reports in accordance with IESNA LM-79-08 and CEC-400, APPLIANCE EFFICIENCY REGULATIONS, (Sections 1603 & 1604(n) and Tables K-1 through K11, N1 through N3). LCS are authorized to test and report...

Saturday, December 01, 2018

Quantity : 100 - Price : Contact me

As the development of LED technology continues to grow and diversify, the need for consistent and standardized testing procedures for LED has become more prevalent than ever. SHNEZHEN Southern LCS Compliance Testing Laboratory Ltd. is an NIST NVLAP Accredited testing for LM-79 (NVLAP Lab Code...)

Saturday, December 01, 2018

Quantity : 10,000 - Price : Contact me

What is LM-80 Testing? It is the Illuminating Engineering Society of North America (IESNA) approved standard for measuring lumen maintenance of LED light sources. LM-80 apply to the LED package, array, or module alone, not a complete system, it is testing a component level. The standard...

Sunday, November 25, 2018

Quantity : 10,000 - Price : Contact me

过去，这些国家中的每一个都有自己的具体要求，而其他国家则没有遵守这些要求。作为消 除贸易壁垒的努力的一部分，引入了CE认证。因此，CE认证代表欧洲统一（符合欧洲标 准）或者可以被视为欧洲 一致性。 CE标志不是由官方机构，认证机构或测试实验室发布的，并且由制造商或其代理商自己贴 上。欧盟成员国的制造商或其代理商或进口商必须对CE标志的完整性负责。 CE标志产品可在欧盟内自由流通。这种接受和认可源于负责在欧盟市场实施产品安全控制 的国家监管机构。当产品通过CE标志认证时，负责销售监督安全并确保产品符合欧洲指令 的要求，其中包括：</ font> 2004/108...

Sunday, November 25, 2018

Quantity : 10,000 - Price : Contact me

KSA SASO认证测试和检验货物运往沙特阿拉伯，KSA SASO证书 我们提供中东CoC / VoC合规测试和证书，IRAQ-COC，科威特COC，沙特阿拉伯SASO 我们为沙特阿拉伯市场的电气和电气产品提供KSA BV SASO装运前检验 沙特阿拉伯SASO 该计划旨在为沙特阿拉伯 王国公民提供安全，并改善环境健康保护。 业务挑战 必维国际检验集团在 出口国进行文件检查和装运检查，以验证货物的符合性 。 SOLUTIONS Exporters may contact the relevant Bureau Veritas office. Exporters...

Sunday, November 25, 2018

Quantity : 10,000 - Price : Contact me

We are a professional Safety/ EMC/ RF/ Energy Efficiency third party laboratories. Shenzhen LCS—with ITS,UL,TUV testing laboratory accreditation. We provide the electromagnetic compatibility (EMC) testing according to national, international, customer special standards such as CISPR...

Wednesday, November 21, 2018

Quantity : 10000 - Price : Contact me

EAC (CUSTOMS UNION CERTIFICATE) The Customs Union Certificate of Conformity (EAC certificate) is an official document confirming the conformity of the quality of production with the approved standards within the Customs Union region.The EAC Certificate can be used in the exports of...

Tuesday, November 20, 2018

Quantity : 10000 - Price : $360

EMC指令2014/30 / EU（之前：2004/108 / EC） EMC（EMC）设备会导致一定程度EMC的电磁干扰。在低压指令上粘贴CE标志，通 常适用RoHS指令。 CE标志电子设备 电磁兼容性（EMC）是设备在环境中运行的能力。它涉及电子设备和固定安装（例如，计 算机，生产线）。 通过在电子设备上粘贴CE标志，制造商或进口商确保产品符合EMC 2014/30 / EU的安全要求。带有CE标志的电子设备可以在欧洲经济区（EEA）内自由交易。 超出EMC指令范围的设备： Radio equipment that fall into the scope...

Friday, November 02, 2018

Quantity : 1 - Price : 890,00 €

Transportation Vibration Test Machine Simulated Automobile Transportation Vibration Table _02.jpg Product Description Application: transport simulation vibration testing equipment price is used for simulating the destruction of the vibration of all kinds of packaging items, PC board...

Friday, October 19, 2018

SOLUTION, TEMPERING, AND INCOME FURNACES Learn more about: HORIZONTAL LOADING FILLING OVEN VERTICAL LOADED TEMPERATURE OVEN CONTINUOUS TEMPERATURE OVEN OVEN OF INCOME Several architectures are possible to adapt to your productivity requirements and your congestion constraints: Heat...

Saturday, August 04, 2018

Quantity : 100 - Price : USD2000-5000

Room environment refers to simulate natural climate environment in the space of valid range test types are: high and low temperature test box, high low temperature test box, thermal shock test box, glycol refrigeration heating system, salt fog test box, high and low temperature (heat) test box...

Saturday, August 04, 2018

Quantity : 100 - Price : USD2000-5000

Information: Refrigeration system high and low-pressure protection and display; Condensing temperature display and protection; A variety of fault alarm (over-temperature alarm, sensor alarm, high-pressure alarm, compressor overheating alarm;) Boot time delay. Cold plate freezer for...