EXTRACTION - 977 ads

Friday, December 27, 2019

Quantity : Output cap

Output capacity is 56.92secs/EA, 369,000EA/Month Location : Unit 04, 7/F, Bright Way Tower, , Mong KoK Road, Kowloon, HK., 999057 HK, Contact : Wang Gloria , +85 2 69 48 67 97

Friday, December 27, 2019

Quantity : Output cap

Description： The Twist Pin contact by its design and performance enables the system to meet the most severe requirements – often significantly more so than stipulated in the MIL-DTL-83513 and MIL-DTL-32139 standards. The male Micro-D contact is made up of 10 strands of beryllium-copper...

Monday, December 16, 2019

Originally, QuEChERS was used as a test for multiple pesticide residues in vegetables or fruits. Up to now, its application range is no longer limited to this. At present, QuEChERS has a wide range of applications in agricultural and veterinary drug residues in agricultural products and foods...

Friday, December 13, 2019

FLASH column is a sample pretreatment technology developed by the combination of liquid-solid extraction and column liquid chromatography. It is mainly used for sample separation, purification and concentration which has been widely used in medicine, food, environment, commodity inspection...

Friday, December 13, 2019

HAWACH glass fiber extraction thimbles are made of 100% alkali-free glass fiber and processed at high temperature, which is adhesive-free and chemically inert. It can collect small and sub-micron particles. It is a high-efficiency filtering device that captures soot, acid mist, aerosol...

Thursday, December 12, 2019

QuEChERS is a streamlined technique that makes it easier and cheaper for analytical chemists to examine the pesticide residues in agricultural products. It is exploited by many professors of the American Ministry of Agriculture in 2003, especially Anastassiades. This technique shares...

Thursday, December 12, 2019

Made of selected pure cellulose and totally free from binding, Hawach cellulose extraction thimbles guarantees reliable results. The consistent high porosity makes sure that you can have the fast flow through during applications. As the ideal choice for very sensitive detections in the lab...

Wednesday, December 11, 2019

Bottle-top dispenser marketed by Hawach Scientific is characterized in good chemical tolerance, high-temperature disinfection and sterilization, and high-pressure resistance. The bottle is made of PTFE FEP BSG PP, which gives it maximum viscosity resistance. It is convenient to operate...

Tuesday, December 10, 2019

Due to the variety of targets, large structural differences, and low target content, the detection of pesticide residue method requires being accurate, rapid, sensitive, simple and low cost. The QuEChERS method is more and more widely used in pesticide residue detection, as it is green and quick...

Tuesday, December 10, 2019

Mixed cellulose ester (MCE) filter membrane is made of refined nitrocellulose and added with the appropriate amount of cellulose acetate, acetone, n-butanol, ethanol, etc. It is hydrophilic, non-toxic and hygienic. The MCE filter membrane is mainly used for filtering aqueous solutions...

Monday, December 09, 2019

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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...

Monday, December 09, 2019

SPE cartridge A solid-phase extraction device is a physical extraction process involving a liquid phase and a solid phase. In the solid-phase extraction process, the adsorption of the solid relative analyte is greater than that of the sample mother liquor. When the sample passes through...

Thursday, November 14, 2019

SINOFLOC supplies our customers a wide range of product portfolio in the oilfield industry. In addition to our standard oilfield chemicals, we are also supplying customized products to our clients in the different condition of high TDS and API brine, as well as in specific particle size...

Friday, November 01, 2019

Quantity : 200 units - Price : 7000-28000 USD

When factory space is at a premium or a temporary site is to be utilized our blasting containers provide an instant and economical solution. Shot blasting container rooms are based upon standard shipping container sizes which reduce the design and fabrication costs that are normally...

Thursday, October 31, 2019

Quantity : 1000 flaco - Price : 10$

Tunisian company specializing in fruit processing and extraction of vegetable oils, seeks partners to market its production of 100% pure prickly pears oil obtained by cold pressing, our prices are adorable, and we seek to establish a relationship of trust with our partners, for this...

Tuesday, October 29, 2019

Quantity : 200 units - Price : 7000-28000 USD

When factory space is at a premium or a temporary site is to be utilized our shot blasting container provide an instant and economical solution. Container blasting rooms are based upon standard shipping container sizes which reduce the design and fabrication costs that are normally...

Thursday, October 24, 2019

In order to meet the scientific requirements of scientific research institutes and enterprises in the early research and development of feed liquid amplification, and we specially design and develop small & pilot machine, which can easily avoid many uncertain factors in the transformation...

Tuesday, October 22, 2019

Price : 35,00 €

BONSOIR, NOUS COMMERCIALISONS LA SEMENCE DE PIMENT BEC D'OISEAU. NOTRE SEMENCE EST DE BONNE QUALITE ET DISPOSE D'UN TAUX DE GERMINATION DE PLUS DE 90%. LE PRÉSIDENT: M. GUEU SERVICE : AIAGRO SPECULATION : PIMENT VARIETE : BEC D'OISEAU PM 16-04A ORIGINE : COTE D'IVOIRE GENERATION ...

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...

Thursday, October 10, 2019

QuEChERS firstly came out in 2003. The inventors of QuEChERS, Michelangelo Anastasiades and Steve Lehotay, were asked for the three biggest improvements in this method from development to now. They made the following statement. In the period of conceiving the method QuEChERS, we have...

Thursday, October 10, 2019

Extraction thimble is an instrument for extraction and separation of organic compounds according to the principle of Soxhlet extraction. Extraction thimble provided by our company is made of high quality and purity materials, which is characterized by high mechanical strength and...

Wednesday, October 09, 2019

Solid phase extraction (SPE) is used to reduce sample matrix interference and improve detection sensitivity. The separation selectivity of the solid phase depends on the retention strength of the components that can be retained, so the selection of the solid phase will depend on the...

Tuesday, October 08, 2019

It is not difficult to find the early application of QuEChERS in pesticide residue detection in China, mainly for single pesticide detection, and most of the extraction and purification targets are carbamate, organophosphorus and pyrethroid. With the development of technology, the...

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...

Monday, September 30, 2019

The purifying agent holds an important position in the QuEChERS pre-treatment method. An appropriate selection and application of it would be necessary for the users to improve the efficiency of purification and accuracy of the sampling detection result. Selection of purifying agents...

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...

Sunday, September 29, 2019

The cellulose extraction thimble is made of cotton fiber with high cellulose content, good mechanical strength and excellent retention. Particularly suitable for the reaction mixture, food, natural materials, paint, paint extraction of organic matter; paint pigment binder; gas powder and tar...

Saturday, September 28, 2019

Lexrio Impex professionally Manufacturing and Exporting All Sorts of Premium quality Surgical instruments/Dental Instruments guaranteed rust free. We produced all Quality surgical instruments/Dental Instruments from premium grade surgical stainless steel. We offer Dental Extraction...

Saturday, September 28, 2019

Lexrio Impex professionally Manufacturing and Exporting All Sorts of Premium quality Surgical instruments/Dental Instruments guaranteed rust free. We produced all Quality surgical instruments/Dental Instruments from premium grade surgical stainless steel. We offer Dental Extraction...

Friday, September 27, 2019

In order to meet the scientific requirements of scientific research institutes and enterprises in the early research and development of feed liquid amplification, and we specially design and develop small & pilot machine, which can easily avoid many uncertain factors in the transformation...

Thursday, September 26, 2019

Along with the rapid improvement of domestic technology, the QuEChERS analytical method is no longer just applied in the pesticide residue detection on food and fruits, but also used for the extraction and purification of cereal samples with low moisture content. Moreover, it is also...

Thursday, September 26, 2019

Currently，extraction thimble falls into two types: one is cellulose extraction thimbles, another is glass fiber extraction thimble. Both of them are excellent at superior performance, consistent wall thickness, and smooth interior surface. Additionally, both of them has proven to...

Wednesday, September 25, 2019

Knowledge of QuEChERS Quick, Easy, Cheap, Effective, Rugged, Safe are generally abbreviated to QuEChERS. It is a sample pretreatment method for agricultural product detection. It is used to absorb and remove impurity, and the operational principle is similar to high-performance liquid...

Wednesday, September 25, 2019

The extraction thimbles should be treated before doing the experiments of gravimetric monitoring for particulate matter, asphalt fume, and other matters. The fiber extraction thimbles contain a small number of flammable substances and Easy-to-dissolve ashing substances. The extraction...

Tuesday, September 24, 2019

Quantity : 1 - Price : 7800-200000usd

Features of Cassava Curved Mesh Crusher Processing Capacity: 2-8Tons/hour Application Scope: Crushing the cassava into the slurry and remove the residues Product Introduction: Curved mesh crusher, rasper crusher, cassava crusher machine, cassava crushing machine for cassava starch...

Monday, September 23, 2019

Extraction thimble is a device, which is often applied to the analysis of air and exhaust gas, used to absorb solid and semi-solid materials, or available in extracting a medium substance by adding different extractant. It is made of high alpha cellulose which ensures excellent quality、high...

Sunday, September 22, 2019

Lexrio Impex professionally Manufacturing and Exporting All Sorts of Premium quality Surgical instruments/Dental Instruments guaranteed rust free. We produced all Quality surgical instruments/Dental Instruments from premium grade surgical stainless steel. We offer Dental Extraction...

Friday, September 20, 2019

Quantity : 500 - Price : 7000-10000

The correct installation method of corn oil extraction process: Before installing the equipment, the newly purchased corn oil extraction machine should be cleaned thoroughly. Remove the spindle and the cage, and polish the outer surface, inner surface and screw feeder of the screw...

Friday, September 20, 2019

Quantity : 500 - Price : 7000-10000

Coconut oil, made from coconut meat (copra) processing, has a wide application. It can be used in detergents, resin, paint, soap, and other processing industry. Through refining, it can even be edible with high nutritional value. In China's Yunnan, Hainan, Taiwan, coconut planting is wide...

Friday, September 20, 2019

Quantity : 500 - Price : 7000-10000

Castor oil extraction machine is composed of electrical control, automatic heating, adjustment, transmission, and vacuum oil filter. The screw is carburized by alloy steel to enhance surface hardness and wear resistance. The screw platter is ground by the surface grinding machine...

Friday, September 20, 2019

Solid phase extraction is essentially a liquid chromatographic separation. The main separation mode is the same as that of liquid chromatography. It can be divided into normal phase (the polarity of the adsorbent is greater than the polarity of the eluent), and the reverse phase (the...)

Thursday, September 19, 2019

The determination of 10 plant polyphenols in tobacco samples by solid phase extraction and high-performance liquid chromatography as below: Plant polyphenols are important substances in tobacco. The content of polyphenols in tobacco has an important influence on tobacco quality. Therefore...

Thursday, September 19, 2019

The extraction thimble is mainly applied in the lab experiment involved with Soxhlet Extraction to ensure complete extraction. There are three types of extraction thimbles available – cellulose extraction thimble, glass fiber extraction thimble, and quartz fiber extraction thimble...

Wednesday, September 18, 2019

Selection of scavengers The conventional QuEChERS method only uses PSA which is too simple single that can no longer meet the complex matrix samples examination experiments. GCB (graphitized carbon black) can effectively adsorb pigments, non-polar interferences such as sterol due...

Wednesday, September 18, 2019

Hawach SPE Cartridges are made of medical grade PP and forming in one time. Frits are made of UHMW-PE. There is a variety of models to choose, such as Normal Phase Cartridge, Reversed Phase Cartridge, Ion Exchanges Cartridge, Mixed Mode Cartridges and so on. Here, We would like to...

Tuesday, September 17, 2019

The extraction thimble is formed by folding a certain length of straightened filter material and gluing the head and the tail. - Classification of extraction thimble - There are many kinds of extraction thimbles, which can be divided into thin and long ones and thick and short ones...

Monday, September 16, 2019

The extraction is divided into liquid phase extraction (LLE) and solid phase extraction (SPE). SPE technology is a column chromatography separation process. The technology is a combination of liquid-solid extraction and column liquid chromatography. The combination of this technology...

Friday, September 13, 2019

Some samples (such as avocado, peanuts, olive oil, etc.) contain more fat. Due to the limited solubility of fat in acetonitrile, the recovery rate of some fat-soluble pesticides (such as HCB, DDT, etc.) is reduced. How to overcome the low experimental results caused by fat? You can...

Thursday, September 12, 2019

Cellulose extraction thimbles are highly recommended as the high-quality sample reservoirs for quality control, research, and analytical applications especially when solvent extraction of solids and semi-solids need to be carried out. And the use of a Soxhlet extractor loads the safe...

Wednesday, September 11, 2019

Generally, there are five types of filter capsule based on the membrane it contains, which includes PES, PP, PTFE, Nylon and GF type. The former three types are widely applied in various fields and receive great feedback from the users. - PES Filter Capsule - The PES filter capsule...

Wednesday, September 11, 2019

The structure of the SPE cartridge is mainly divided into four parts: column tube, sieve plate, adsorbent and supporting device. The characteristics of each part are briefly introduced below. Column tube: A carrier for the adsorbent, made from serum grade polypropylene. Commonly used...

Tuesday, September 10, 2019

1. Advantages and disadvantages of commonly used extraction solvents Acetonitrile: easy to salt out; compatible with LC/MS; difficult to concentrate Acetone: not easy to salt out; easy to volatilize, concentrate Ethyl acetate: immiscible with water; less extraction of impurities;...

Tuesday, September 10, 2019

Extraction thimbles are often used when you need multiple extraction cycles to dissolve the desired compound in the lab. Extraction units such as the Soxhlet extractors or automized extractors, equipped with extraction thimbles, can save time of handling and make the extraction complete...

Saturday, August 24, 2019

If you decide to try QuEChERS, you're going to find that the extraction salt comes in three basic varieties which are the original QuEChERS method, the CEN method and the AOAC method. The original method is sometimes referred to as the unbuffered method. What does that mean? Being...

Thursday, August 22, 2019

QuEChERS is an extraction method for pesticides in fruits and vegetables. It is also a cleanup method we use to remove sugars, lipids, organic acids, proteins, pigments, and excess water. After the publication of the original QuEChERS method in 2003, QuEChERS has been practiced all...

Friday, August 16, 2019

The membrane filters of different materials have different characteristics. Here are as follows: - Nylon (NY) Material - Features: hydrophilic, resistant to some organic materials, not strong acid, protein binding capacity is high, so it is not suitable for protein recovery. Application...

Thursday, August 15, 2019

Review the article that I had written for product introductions, it seems that the content which making fun of products basically does not have, a person with the label of “warm person heart” is wearing very tired. The things about making fun are so cool to be said completely by naked...

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...

Wednesday, August 14, 2019

After years of development, the QuEChERS pretreatme nt method has been continuously improved and broadened by researchers as a simple and rapid residual pretreatment technology. The application target also has been extended from the highest moisture content of vegetables and fruits...

Tuesday, August 13, 2019

In the labs, experimenters always take samples with fiberglass extraction thimbles. And weighing the extraction thimbles is quite important for the results of the experiments. Does the cooling time have obvious influences when weighing the extraction thimbles that are taken out of the ovens...

Monday, August 12, 2019

Solid phase extraction principle Solid phase extraction is a separation technique that combines selective retention, selective elution, and the like. When a complex sample solution passes through the sorbent, the sorbent selectively retains the aimed compound and a small number of...

Friday, August 09, 2019

As a matter of fact, the quartz fiber extraction cannot be accessible in China, so Hawach has to design the other two products—cellulose and glass fiber exaction thimbles whose relevant parameters are respectively introduced as follows. Cellulose Exaction Thimble It is composed of...

Thursday, August 08, 2019

Most common SPE cartridges are injection syringes made of polyethylene, in which there are two plugs made of polypropylene or fiberglass, with a certain amount of chromatographic adsorbent (filler) between the two plugs. SPE cartridges without sieve plate 1. Avoid “non-specific adsorption” 2...

Wednesday, August 07, 2019

Food safety testing is a major issue related to people's livelihood. In recent years, the QuEChERS method has been widely used in the pretreatment of food safety detection samples. In addition, the method has been applied to trace analysis. QuEChERS Application The international application...

Wednesday, August 07, 2019

The thimble is utilized in extraction, so the dissolution rate of impurities is a comparatively deductive target. For the deficient data of cellulose extraction thimbles, the mental content in glass fiber ones has to be tested, and respective results of different sizes are listed...

Tuesday, August 06, 2019

Ion-exchange solid phase extraction is widely used in biological samples and environmental monitoring. During the extraction process, the pH of the sample is adjusted so that the solute is easily ionized. The solute is exchanged from the resin by changing the pH or increasing the...

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...

Monday, August 05, 2019

Category of extraction thimbles In terms of the material, extraction thimbles series in Hawach are divided into three main types – cellulose and glass fiber extraction thimble. However, the quartz one can not be manufactured in China, so the other two are currently occupying all thimbles...

Saturday, August 03, 2019

SPE cartridge can be divided into three classes on the markets: silica-based cartridges, polymer-based cartridges, and adsorption-based cartridges. And here we talk about the three types of silica-based cartridges. The first type is the C18 cartridges. This kind of cartridges bond...

Thursday, August 01, 2019

QuEChERs is a sample treatment and purification technology for the detection of multiple pesticide residues in high-water-content food. Because it simplifies the previously complex extraction procedures and expands the scope of the extracted pesticide residues, QuEChERs becomes an...

Wednesday, July 31, 2019

Bag filter housings are multi-purpose filter equipment with the features of novel structure, small size, simple and flexible operation, energy saving, high efficiency, airtight work and strong adaptability. Otherwise, they are very convenient to replace the filter bags and there is...

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

Since its birth, the QuEChERS method has been widely used in pesticide residue analysis due to its unique advantages and characteristics of fast, simple and cheap. Lehotay et al. established a method, which uses the QuEChERS method to treat samples and analyze 229 kinds of pesticides...

Tuesday, July 30, 2019

The extraction thimble, as its name implies, is a cylindrical element used for filtering. It is generally divided into extraction thimble for filtering gas and liquid media. Usually, we refer to the extraction thimble is mostly used to filter gas, called the air extraction thimble...

Monday, July 15, 2019

The solid phase extraction cartridges (SPE column, or Solid Phase Extraction Cartridges, or SPE cartridges for short) is a sample pretreatment device for extraction, separation and concentration developed from a chromatography column. Mainly used in sample pretreatment of various foods...

Friday, July 12, 2019

Characteristics of QuEChERS QuEChERS is a pretreatment method for pesticide residue detection. This paper refers to the products produced by our company. Its name comes from the acronyms of the words “Quick, Easy, Cheap, Effective, Rugged, Safe”, which are also the characteristics...

Friday, July 12, 2019

Cellulose Exaction Thimble For the cellulose exaction thimble (CET), parameters are mainly focused on the constitution, heating temperature. CET is usually made out of high-grade cellulose or seamless noble cellulose and lines of cotton, excluding any binding elements, which means...

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

SPE column or SPE cartridges are based on liquid-solid phase chromatography theory, it is a kind of extraction, separation, concentrated sample preparation unit. Mainly used in sample pretreatment of various foods, agricultural and livestock products, environmental samples and target...

Wednesday, July 10, 2019

According to the research from the United States Department of Agriculture, the QuEChERS meth od which extracts pesticide from foods is fast, convenient, cheap, effective and secure. When it compares to the traditional SPE method, QuEChERS not only uses less solvent but also adopts...

Wednesday, July 10, 2019

Cellulose extraction thimbles are widely used in Soxhlet extractors. Soxhlet extraction is a widely used technology to analyze lipids or pesticides in food and soil materials and others. Soxhlet extraction is the continuous extraction of the required components in the solid mixture...

Monday, July 08, 2019

QuEChERS is a pretreatment that has the characteristics of Quick、Easy、Cheap、Effective、Rugged and Safe, which is the reason why it is becoming more and more popular in the new testing methods. It was developed by Professor Anastassiades in 2003, which was used in agricultural testing at first...

Monday, July 08, 2019

1.Classification of extraction thimbles The extraction thimble, as its name implies, is a cylindrical element used for extracting. According to the material, it can be divided into three categories: cellulose exaction thimbles, glass fiber exaction thimbles, and quartz fiber exaction thimbles...

Monday, July 08, 2019

SPE Technique Introduction SPE(Solid-phase Extraction), is an increasingly popularized technology of sample pretreatment, which is established on the basis of traditional LLE(Liquid-liquid Extraction). Combined with the substance interaction mechanism that like dissolves like, and...

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 product mainly includes two parts: extraction boxes and purification boxes. Extraction boxes include salt bags and 50 ml centrifugal tubes. Due to the high transportation cost of 50 ml centrifugal tubes and the general unacceptability of customer laboratories, more customers will...

Friday, July 05, 2019

We recommend materials and applications of two kinds of extraction thimbles in Hawach. The material of extraction thimbles Due to different materials of extraction thimbles, two types of extraction thimbles are sold in the Chinese market. Cellulose extraction thimbles: high-grade...

Thursday, July 04, 2019

Activation, also known as solvation, add a suitable solvent to expand the functional groups on the adsorbent and remove possible interferences on the adsorbent. Equilibrium, remove the activated solvent to create a suitable solvent environment for sampling. Usually, use the same solvent...

Thursday, July 04, 2019

As an acronym for Quick, Easy, Cheap, Effective, Rugged and Safe, the method of QuEChERS achieves as a variety of sample preparation and clean-up techniques for the analysis of multiple pesticide residues in the field of agriculture. Originally designed for the analysis of fruits and vegetables...

Thursday, July 04, 2019

The glass fiber extraction thimble is made of ultra-fine glass fiber and is used for various applications. It's a high-efficiency filter device for collecting harmful substances such as soot, acid mist, and beryllium substitute. It has the advantages of high-temperature resistance...

Thursday, July 04, 2019

Hawach Scientific have Qualitative filter paper and Quantitative filter paper, Wet-strengthened filter paper and Asphalt filter paper, right now we also have filter paper for Extraction. Just as mention before, we are a professional manufacturer for filter paper, we have the regular...

Tuesday, July 02, 2019

Stainless Steel Filtration System Product Introduction Hawach stainles s steel filtration system is widely used in research units, inspection and quarantine institutions, quality monitoring institutions, natural mineral water industry, drinking water industry, the pharmaceutical industry...

Tuesday, July 02, 2019

The average sample addition recovery rate of QuEChERS method is higher than 85%, with fewer impurities interfering with the detection of the target substance, a small amount of solvent, simple and fast operation, which will be the preferred pretreatment method for routine detection...

Tuesday, July 02, 2019

Fitting most commercially available Soxhlet extractors, we offer a variety of selection of high-quality extraction. To achieve an efficient and reliable analysis in the lab, the extraction thimbles are used to extract certain components out of the sample of solid material. The thimbles...

Monday, July 01, 2019

After selecting the type of SPE cartridges, we have to determine the specifications of the SPE cartridge. The principle of selecting the SPE cartridge specification is to first ensure that the SPE cartridge packing has sufficient capacity to retain the target compound 100% on the column...

Monday, June 24, 2019

QuEChERS is widely used in many areas, in the case that the targeting recovery rate satisfies the need, and also the matrix background of removing impurities meets detection, it can be applied to purify stuff such as residues of food and veterinary, additives, plasticizers. However...

Monday, June 24, 2019

Glass fiber extraction thimbles can be used to collect harmful substances such as smoke, dust, acid mist and so on. It is widely used at home and abroad. It has excellent performance in high-temperature resistance, low weight loss, high efficiency, and high strength. Just because...

Friday, June 21, 2019

Normally SPE cartridge has two basic adsorption modes: target compound adsorption mode, impurity adsorption mode; 5 operation modes: gravity operation, manual positive pressure, centrifuge, negative pressure and positive pressure mode. Now let's review the whole process step by step...

Thursday, June 20, 2019

Extraction is often susceptible to matrix interference. One analytical method is fine in this matrix but can become problematic in another matrix. If we encounter such a situation, how can we improve the QuEChERS method to overcome it? For pesticide residues, most of the food samples...

Thursday, June 20, 2019

Suitable for Soxhlet-type and other similar devices, the extraction thimbles are used to adapt a sample of solid material to extract certain components out, with the addition of sufficient and appropriate solvent. Cellulose extraction thimbles which are made of high-quality alpha...

Wednesday, June 19, 2019

Take the example of pear test to check whether a pear is up to the standard. Prepare the environment The first step: Suitable Acetonitrile salting-out extraction environment was prepared. Make the pears into a puree, take 10g to QuEChERS centrifuge tube of 50ml. Add extract solution...

Wednesday, June 19, 2019

SPE cartridges, with a full name of Solid Phase extraction cartridges, is also called the SPE column( solid phase extraction column). The solid phase extraction column/cartridges is a pretreatment device for the sample being analyzed, which developed from the chromatographic column...

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...

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...

Thursday, June 13, 2019

Package 1 QuEChERS extracting pesticide residues from plants Extraction box: 50 ml centrifuge tube + AOAC/EN salt pack 2 kinds of buffer salts: General buffer salt for phase-separation and pH-adjustment; Anhydrous magnesium sulfate completely separates water in the matrix from the...

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...

Wednesday, June 12, 2019

A few days ago, I wrote a summary of the filter membrane. Many customers said that no product had no truth. So what I wrote today is a product that needs to be used in combination with microporous filter membrane – the solvent filter device. Technical parameters The solvent filter...

Wednesday, June 12, 2019

Hawach will introduce cellulose extraction thimble from six technical parameters: material, temperature and forming time, DOP retention, size selection, porosity, and fitting accuracy. ●Material The consistency of component content of extraction thimbles made of different materials...

Wednesday, June 12, 2019

Hawach will introduce cellulose extraction thimble from six technical parameters: material, temperature and forming time, DOP retention, size selection, porosity, and fitting accuracy. ●Material The consistency of component content of extraction thimbles made of different materials...

Tuesday, June 11, 2019

Solid phase extraction (SPE) is a separation process by which compound that is dissolved or suspended in a liquid mixture, thereby being separated from other compounds in the mixture according to their physical and chemical properties. There are 4 general functions as below: 1.Matrix...

Friday, June 07, 2019

QuEChERS method was originally applied to extract pesticides from fruits and vegetables. Whether under AOAC or EN stipulations, according to our products' Application and Test Report, we can see that the combination of salting out and d-SPE-purification in the initial liquid-liquid...

Friday, June 07, 2019

Extraction thimbles are a kind of cylinders used for filtering gas medium or liquid medium, which are divided into three categories in accordance with the material: cellulose, glass fiber and quartz fiber. Cellulose exaction thimbles are mainly used for general Soxhlet extraction...

Thursday, June 06, 2019

As one of the useful sample preparation technique, solid phase extraction can prevent many problems, such as incomplete phase separations, recoveries with poor quantity, waste of expensive fragile glassware, and extra disposal of organic solvents, which you may occur if you use the...

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...

Wednesday, June 05, 2019

Extraction thimble sizes should be decided as per users' specific applications. Every single size represents the particular practice of displaying the internal diameter and general length of the thimble in millimeters. Thus the extra allowance for the thickness of the thimble wall...

Wednesday, June 05, 2019

Economic Impact Analysis From the current US market price analysis, it's easy to find out that the quartz fiber extraction thimbles are priced much higher than the common extraction thimbles. The high-purity quartz fiber extraction thimbles are manufactured from pure quartz and are...

Saturday, June 01, 2019

Economic Impact Analysis From the current US market price analysis, it's easy to find out that the quartz fiber extraction thimbles are priced much higher than the common extraction thimbles. The high-purity quartz fiber extraction thimbles are manufactured from pure quartz and are...

Thursday, May 30, 2019

Quantity : 1 - Price : 1,00 €

Solid-phase extraction (SPE) is a useful method of sample preparation. By sorting onto a disposable solid-phase cartridge, it can concentrate and purify analytes from solution. But sometimes, the results are unsatisfied with the poor and non-repeatable sample recovery. To avoid it...

Wednesday, May 29, 2019

Quantity : 1 - Price : 1,00 €

The installation method of the extraction thimble is divided into vertical lifting, oblique mounting at a specific angle, flange mounting, and the like. The automatic cleaning method commonly used in the extraction thimble is high-pressure gas pulse back-blowing and mechanical vibration...

Monday, April 29, 2019

CN (cyanopropyl) solid phase extraction (SPE) cartridge, CN (cyanopropyl) is a weakly hydrophobic silica matrix filler, which can be used as a normal phase or reverse phase adsorbent. The non-polar or weakly polar acid, medium and basic compounds are extracted from the aqueous solution...

Saturday, April 27, 2019

Hawach Scientific Co., Ltd QuEChERS is a sample treating method, which means quick, easy, cheap, effective, rugged and safe. Our products include four types which are QuEChERS kit, QuEChERS extraction salts, QuEChERS dispersive SPE kit, QuEChERS dispersive absorbent, QuEChERS ceramic...

Sunday, April 21, 2019

Introduction to the walnut oil extraction machine Walnut oil extraction machine presses the walnut with a screw oil press. walnut oil press equipment can automatically control the temperature. With intelligent equipment, it can press in all seasons. The production will not be delayed...

Sunday, April 21, 2019

Soy oil is rich in linoleic acid. Linoleic acid has limited effect on reducing the risk of heart disease. As linoleic acid is not heat-resistant, it is easy to oxidize and polymerize after frying or repeated heat, which is very harmful to health. Press method is divided into two:...

Sunday, April 21, 2019

Gingelly oil making machine is mainly used for domestic processing. This product belongs to the hydraulic automatic oil extraction machine. the output is not high, but it is simple and convenient. There are hydraulic oil press and screw oil press. The screw oil press is also available...

Wednesday, February 27, 2019

In order to meet the scientific requirements of scientific research institutes and enterprises in the early research and development of feed liquid amplification, and we specially design and develop small & pilot machine, which can easily avoid many uncertain factors in the transformation...

Saturday, December 08, 2018

Quantity : 1,000 Metr - Price : US$ 195/- per Metric

We have Chrome Ore readily available in stock. It is 30.5% pure (chromite content). We can arrange more quantities on a regular monthly basis for shipments. Once we have firm orders, we can arrange by extraction through mining. Shipments can be arranged either on FOB ex-Karachi port...

Thursday, November 15, 2018

Bonjour, on est un groupement d'interet économique nommé 3ZOYOUT OUED OURIKA" dans le siège est à la commune rurale d'AGHMAT dans la province de Marrakech- Safi (Maroc). on possède une unité de trituration moderne d'extraction d'huile d'olive de deux phases. notre GIE réunit 5 coopératives...

Monday, October 22, 2018

Quantity : 500 kg - Price : 3800 $

Labellum GmbH offer a pure dose of CBD, with a CBD content of 99.6%. It makes them the purest CBD product on the market, ensuring you get nothing but unbridled CBD. In order to create such pure CBD crystals, we only use certified organic EU hemp that has been specifically bred for...

Wednesday, August 01, 2018

Price : 15 000,00 €

General Details UL-VD series high-precision camera positioning laser cutting machine is a model with DSLR camera system, this function could captures the whole working size image via DSLR camera at a time and automatically analyze to recognize the contour without comparison with design...

Tuesday, July 17, 2018

Quantity : 100 HA - Price : 25.000 F cfa / HA

BONSOIR, NOUS COMMERCIALISONS LA SEMENCE DE PIMENT BEC D'OISEAU. NOTRE SEMENCE EST DE BONNE QUALITE ET DISPOSE D'UN TAUX DE GERMINATION DE PLUS DE 90%. LE PRÉSIDENT: M. GUEU TOKPA SERVICE : AGRO PLUS SPECULATION : PIMENT VARIETE : BEC D'OISEAU PM 16-04A ORIGINE : COTE D'IVOIRE - MAN GENERATION ...

Monday, July 02, 2018

Quantity : 7 - Price : 34,00 €

Je suis a la recherche d'un investisseur pour projet agricole .je possède 15 hectares a la région de oua Marrakech Maroc.le projet c'est la plantation d'oliviére plus une unité d'extraction de l'huile et conserve l'olive de table. Location : oua, 83350 Marrakesh, Contact : Srhyr Alami...

Saturday, April 21, 2018

Notre agence propose un service de "Devis-Consulting" pour la création de petites & moyennes industries clés en main, notamment dans les domaines de la production alimentaire, de la transformation du papier/carton, de la fabrication d'emballages, de la fabrication de cosmétiques...

Saturday, April 14, 2018

Our company is specialized in the field of extraction and exploitation of BASO4 barite with a density varies between 4.10 and 4.30, our head office is in Tinejdad Morocco, we have a stored product of 16 000 t and a monthly production of 400t per month. our prices negotiable. Do not...

Sunday, April 08, 2018

Quantity : 35730 - Price : 35 730,00 €

REFINED OLIVE POMACE OIL Pomace oil is extracted from the fruit of the olive tree. Pomace oil is extracted from olive pomace with the use of solvents or other chemical processes. The olive pomace is the by-product of the extraction process of the original olive oil. Olive oil is cold-pressed...

Friday, March 30, 2018

Price : USD 305000 per piece

DRILL PIPE PRODUCTION LINE: The production line for the processing and production of oil drilling pipe, is mainly divided into three steps, by using the upsetting machine, Intermediate frequency quenching and tempering machines, pipe threading lathes and some other machines. Highlights: 1...

Friday, March 30, 2018

Price : USD 305000 per piece

DRILL PIPE PRODUCTION LINE: The production line for the processing and production of oil drilling pipe, is mainly divided into three steps, by using the upsetting machine, Intermediate frequency quenching and tempering machines, pipe threading lathes and some other machines. Highlights: 1...

Friday, March 30, 2018

Price : USD 305000 per piece

DRILL PIPE PRODUCTION LINE: The production line for the processing and production of oil drilling pipe, is mainly divided into three steps, by using the upsetting machine, Intermediate frequency quenching and tempering machines, pipe threading lathes and some other machines. Highlights: 1...

Friday, March 23, 2018

Product Description Potassium humate is a kind of high polymer heterogeneous aromatic hydroxyl carboxylate. It is obtained by alkaline extraction of lignite or brown coal or leonardite. It is water soluble, contains hydroxyl, carboxylate and other active groups, has the functions of chelation...

Friday, March 23, 2018

Product Description Our compound amino acid powder contain organic nitrogen and in-organic nitrogen, which not only can be used as raw materials for foliar fertilizer but also can be apply on the crops as water flush fertilizer, ground fertilizer and basic fertilizer. Product Specification...

Tuesday, February 06, 2018

Quantity : 10 sets pe - Price : factory price

Metal hammer crusher is an universal equipment specially designed for crushing various metal materials, including scrap metal, circuit board, ring pull can, copper aluminum radiator and so on. It can crush all kinds of waste metal materials into granular shape. Description of Metal...

Tuesday, February 06, 2018

Quantity : 10 sets pe - Price : factory price

Advantages of activated carbon adsorption device: - The adsorption efficiency is up to 90%, it has the large capacity and wide application. - Activated carbon has the characteristics of low price, wide range of sources, and so on. - The operation is simple, safe and reliable. -...

Tuesday, February 06, 2018

Quantity : 10 sets pe - Price : factory price

This article mainly introduces outstanding advantages of electrostatic separator. It is applicable to separate mineral, metal particles and non-metallic particles, conductor and non-conductor, etc. Broad Spectrum of Application Areas of Electrostatic Separation Equipment: ☞ Metal...

Tuesday, February 06, 2018

Quantity : 10 sets pe - Price : factory price

Air gravity separator is one new separation equipment that has many advantages of wide application, high separation efficiency, low noise. It has been commonly used in mining, chemicals, and other recycling industries. Application of Air Gravity Separator - Copper rice, PVC granule...

Sunday, February 04, 2018

Quantity : 1 kg - Price : $30-125

Description Chinese ginseng has a history of herbal use going back over 5,000 years. It is one of the most highly regarded of herbal medicines in the Orient, where it has gained an almost magical reputation for being able to promote health, general body vigour and also to prolong life...

Saturday, February 03, 2018

Quantity : 300000ton/ - Price : USD300/ton

Usage: Tube for conveying gas, water, and oil in both and natural gas industries etc. Casing: Casing is a large-diameter pipe that serves as the structural retainer for the walls of oil and gas wells, or well bore.It is inserted into a well bore and cemented in place to protect both...

Wednesday, January 10, 2018

Quantity : 1 - Price : US$250000-400000

JULONG Low Waste High Efficiency Gold Bucket Chain Dredger for Gold Mining Product Description: Julong bucket chain gold dredgers have good ability to fit different kinds of geologic environment. With the advantages of stable performance, long working life, low cost, high efficiency...

Tuesday, January 09, 2018

Quantity : 1 kg - Price : $30-125

Chinese ginseng has a history of herbal use going back over 5,000 years. It is one of the most highly regarded of herbal medicines in the Orient, where it has gained an almost magical reputation for being able to promote health, general body vigour and also to prolong life. The genus...

Tuesday, January 09, 2018

When it comes to ancient plants, nothing on our planet is older than the ginkgo biloba tree. For more than 300 million years, Ginkgo biloba has managed to survive, if not thrive, and remains only mildly endangered. Biloba is one of the most desired herbal supplements on the market...