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Martes 13 agosto 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...

Martes 13 agosto 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...

Lunes 12 agosto 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...

Lunes 12 agosto 2019

The rapid chromatographic method is a technology widely used in the separation and purification of active target compounds, such as organic compounds, natural products, and biological macromolecules. Rapid chromatographic method has the advantages of easy-operation, low-price, and fast-analysis...

Lunes 12 agosto 2019

The system of an HPLC column is composed of a liquid, a reservoir, a pump, a sampler, a column, a detector and a recorder. - The packing material of HPLC columns - The packing material has high carbon content, small surface polarity, very low chemical purity and high surface separation...

Sábado 10 agosto 2019

Cantidad : Proofing b - Precio : 200-1500CNY

Hard Gold PCB, immersion gold pcb, is to immerse the board in the plating tank and apply current to form a nickel-gold coating on the copper foil surface of the board. The electro-nickel gold is characterized by high hardness, wear resistance and oxidation resistance. Widely used in applications...

Viernes 09 agosto 2019

First, we need to determine if there is a leak in the pipette. 1. Detection method: 1) Visual inspection: first pipette the liquid using the pipette to be tested, then let it stand vertically for 15 seconds to see if there is a slow flow of droplets. If there is a droplet flowing out slowly...

Viernes 09 agosto 2019

What is the bottle-top dispenser? During a scientific experiment, a bottle-top dispenser can indicate its excellent precision and high-repetition of separating operation without wasting solvents. While handling with some corrosive liquids or solvents, it provides safety assurance...

Viernes 09 agosto 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....

Viernes 09 agosto 2019

Reversed-phase chromatography (RPC) contains any chromatographic method using a non-polar stationary phase. The word “reverse” has a historical background. In the 1970s, most liquid chromatography was performed on unmodified silica or alumina. Their surface chemistry is hydrophilic...

Jueves 08 agosto 2019

Basic Information This float controlled water valve the level of the water in the water tower or sink. Features 1. Stable and reliable work, large flow; 2. Disc fast open and slowly closed, no water hammer impact; 3. Good sealing effect and long service life; 4. Install at any location...

Jueves 08 agosto 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...

Jueves 08 agosto 2019

Flash columns adopt high-capacity silica gel for precise filling, which has very excellent separation and purification performance. The specific surface area of high-capacity spherical silica gel is 40% higher than that of ordinary spherical silica gel, and the sample loading is twice...

Miércoles 07 agosto 2019

Precio : 25000 USD

Somos fabricantes de tanques de camiones Bobtail de propano usados, Bobtail de GLP usados, tanques de camiones de GLP usados, Bobtail de tanques de GLP usados, Bobtail de LPG, tanques de camiones de GLP. Indicador de presión de GLP Horton Sphere barato y dispositivos para medir el...

Miércoles 07 agosto 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...

Miércoles 07 agosto 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...

Miércoles 07 agosto 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...

Miércoles 07 agosto 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...

Martes 06 agosto 2019

Cantidad : 1 million - Precio : Small tablet: 1.9~30

One-click erasable drawing pad, keep your hands clean! Erase your image with the touch of a button and a friendly flash from the liquid crystal display - COOL! It's an accurate helper for study, for work, for drawing and writing. HOWEASY One-click Erasable touch writing pad is a reusable...

Martes 06 agosto 2019

Cantidad : 1 million - Precio : Small tablet: 1.9~30

LCD drawing tablet is a kind of electronic device that uses high tech flexible liquid crystal technology to display words, patterns and graphics by pressure. You can write or draw with gentle pressure. The writing pad is extremely low power consumption; it only uses power when you...

Martes 06 agosto 2019

Cantidad : 1 million - Precio : Small tablet: 1.9~30

HOWEASY LCD handing writing notepads are the best tool for family/ party fun activities. Allow kids to always have a blank canvas to explore their creativity wherever they are. The magnetic drawing pen draws in different colors. Take the mess out of painting and unleash your child's...

Martes 06 agosto 2019

- PRODUCT FUNCTIONS & FEATURES Multifunction: 20 Inch Screen LCD Writing Tablet give you a larger creative space. It's suit for kids writing, drawing, office memo board, fridge message board and as a communication tool. Durable: ABS borders, shock resistance, low power consumption...

Martes 06 agosto 2019

Cantidad : 100000TM - Precio : 50USD

Uses of Diethanolamine Diethanolamine similar to triethanolamine (T775580) is used as a surfactant. It also has the potential to be a corrosion inhibitor by means of chemisorption. Definition of Diethanolamine ChEBI: A member of the class of ethanolamines that is ethanolamine having...

Martes 06 agosto 2019

Cantidad : 100000TM - Precio : 50USD

Application of Cyclohexanone It is the raw material for the production of caprolactam and adipic acid; used as the solvents and diluent agents of paints, inks, synthetic resins and synthetic rubber; also used as the leather degreasing agent. Used as the organic cyclohexanone solvent...

Martes 06 agosto 2019

In recent years, the application of HPLC in inorganic analysis has developed rapidly, and the use of flash columns has been more and more widely because of a method that can rapidly determine heavy metal elements in environmental water samples. Matters needing the attention of flash columns 1...

Martes 06 agosto 2019

A filter housing should have some advantages, such as high filtering accuracy, high speed, small absorbing amount, no media falling, no dead angle, no leakage, acid and alkali resistance, corrosion resistance, easy to clean and recoil function. Different kinds of filter housing: ...

Martes 06 agosto 2019

The hydrophilic polyvinylidene fluoride membrane filter is commonly used for the purification and filtration such as tissue culture media, additives, and other sterilization filtration solvents, chemical raw materials, aseptic processing of reagents, and for filtration of high-temperature liquid...

Martes 06 agosto 2019

HPLC is more suitable for the separation and analysis of substances with the high boiling point, poor thermal stability, physiological activity, and relatively large molecular weight. Hawach HPLC columns are widely used in the analysis of nucleic acid, peptide, lactones, polycyclic...

Lunes 05 agosto 2019

How important it is to conduct your own experiments with a handy pipette! However, even the most perfect instrument needs proper operation and maintenance. When using a pip ette, we should pay attention to the following points: 1. Do not turn the button out of the range; otherwise...

Lunes 05 agosto 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...