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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

Penglai Huande Steel valve Co., Ltd mainly export Y-type strainer. In Y-type strainer the filter leg connects to the main pipe at a diagonal angle, giving the strainer its "y" shape, and hence its name. This type is commonly used in pressurized lines, steam, liquid or gas, but can...

Saturday, October 12, 2019

We all know that the electric ball valves are used to control the flow of liquids and gases. Actuated ball valves are energy efficient and robust because they only cost energy during the opening or closing of the valve. We can equip an electric actuator to our ball valves according...

Saturday, October 12, 2019

Quantity : 8000kgs - Price : USD0.025 - USD1.05

1) Properties Detonation-synthesized polycrystalline diamond micro-powder The structure resembles the rare natural polycrystalline black diamond, metallic-grey, superior toughness, self-sharpening. Monocrystalline vs polycrystalline diamond：The lapping and polishing efficiency of...

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

The filter cartridge is a professional term with the function of filtering and purification. It is also a simple device for separating the original fluid and fluid. It mainly includes gas-liquid separation, solid-liquid separation, exhaust and dust filtration, and environmental protection...

Saturday, October 12, 2019

1. Leakage at joint Generally, it can be solved by tightening, cleaning and replacement. 2. Pump leakage Check whether the one-way valve and joint are loose, if loose and tightened (not too tight), check whether the seal of mixer and pump is damaged; 3. Leakage of injection valve...

Friday, October 11, 2019

Quantity : 200 sets - Price : USD3300

Standard Closed sealer housing Intuitive operator guidance on the button/touch panel Integration of all identification systems Printed mark identification & measurement of bag lengths Use of different heat sealing and welding instruments Minimal time required when changing rolls...

Friday, October 11, 2019

Quantity : 200 sets - Price : USD3300

Powder/Granule+Liquid/Paste 2 in 1 Packaging Machine Powder + Liquid Powder + Paste Granule + Liquid Granule + Paste Technical parameter Standard Closed sealer housing Intuitive operator guidance on the button/touch panel Integration of all identification systems Printed mark identification ...

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

Currently, bottle-top dispenser provided by Hawach falls into two types: mechanical bottle-top dispenser and electronic bottle-top dispenser. Both of them are made of optical glass, Al2O3，ETFE， PFA， FEP， PTFE, platinum-iridium alloy and PP(HARD HAT), so the quality is superb and chemical...

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...

Thursday, October 10, 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Wednesday, October 09, 2019

Flash column chromatography is an easy and fast method to separate the complex mixtures. It can not only make the separation effect better but also shorten the time. How to put the sample into the flash column is of high importance in the preparation process of flash column chromatography...

Wednesday, October 09, 2019

Hawach Scientific co., LTD. is a professional technology company integrating analytical chemical product development, manufacturing, sales, and service, Since its establishment, the company has maintained a high speed and steady pace of development, along with scientific and technological...

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

The pipette is a kind of common instruments in the labs. And how should the experimenters use the pipette correctly? We will introduce the steps in the follow-up articles. Step 1: Hold the pipette correctly Hold the handle of the pipette with the palm and four fingers, put the index...

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...

Tuesday, October 08, 2019

Qualitative analysis filter paper generally has more residual ash content, which is only used for general qualitative analysis and filtration solution of precipitation or suspended matter, not for quality analysis. In terms of type and specification, qualitative analysis filter paper...

Tuesday, October 08, 2019

The essence of the chromatographic process is the process of distributing the equilibrium of the molecules of the substance to be separated between the stationary phase and the mobile phase. The distribution of the different substances between the two phases will be different, which...

Monday, September 30, 2019

Quantity : 10set/mont - Price : 0-1 million US dolla

We have concrete line pump truck for sale! Truck mounted line pump, also called truck mounted concrete pump, is the concrete pump mounted on the truck for flexible movement and high pressure concrete pumping to the construction place. It provides both the pump truck and the trailer...

Monday, September 30, 2019

Quantity : 10set/mont - Price : 0-1 million US dolla

The PB32A-3R-II placing boom (or we can call it self climbing placing boom) adopts high strength steel as its arm material. And the main electronic components are products of the world-famous brand, with high-quality. The whole machine is driven by hydraulic system and can be easily...

Monday, September 30, 2019

Quantity : 60-100 mil - Price : 0.1USD-0.5USD

Product Name: Body Wash Bottles Material: PET Materials; PP Materials Capacity: 50ml-750ml Slogan: You have a wide variety of choices Introduction: This series of body wash bottles are made of PET materials and PP materials. They are environmentally friendly and contain no harmful additives...

Monday, September 30, 2019

Quantity : 60-100 mil - Price : 0.1USD-0.5USD

Product Name: 50ml 100ml 150ml 200ml Shampoo Bottles(200ml plastic bottle) Material: PET Materials Capacity: 50ml 100ml 150ml 200ml Slogan: Dark green bottle and sloping shoulder gives you exquisite texture. Dark green bottle and sloping shoulder gives you exquisite texture Introduction...

Monday, September 30, 2019

Quantity : 60-100 mil - Price : 0.1USD-0.5USD

We have lotion bottles for sale? Product Name: 500ml Plastic Cylinder Lotion Bottle Material: PET Materials Capacity: 500ml Slogan：The materials are at ease, with comfortable heart The materials are at ease, with comfortable heart Introduction: this emulsion bottle is treated with hot silver...

Monday, September 30, 2019

Quantity : 60-100 mil - Price : 0.1USD-0.5USD

Product Name: 30ml Plastic Spray Bottle Material: PET Materials; PP materials Capacity: 30ml Slogan：Magical colors give you high-grade experience Magical colors give you high-grade experience Introduction: This plastic spray bottle is cylindrical in shape and has a round shoulder...

Monday, September 30, 2019

Quantity : 60-100 mil - Price : 0.1USD-0.5USD

Product Name: 100ml Plastic Medicines Bottles (100ml Plastic Bottles) Material: The bottle body is made of PET materials, the cap is made of PP materials. Capacity: 100ml Slogan: Convenient and beautiful, good experience Convenient and beautiful, good experience Introduction: This...

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

1. Stainless steel filter cartridge shape is stable and its impact resistance and alternating load capacity are superior to other metal filter materials. 2. The pore is uniform and stable, the permeability is good, the pressure loss is small, the filtration precision is high, and...