LABORATORY - 1485 Anuncios

Lunes 23 septiembre 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...

Viernes 20 septiembre 2019

Precio : 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...

Jueves 19 septiembre 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...

Jueves 19 septiembre 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...

Miércoles 18 septiembre 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...

Martes 17 septiembre 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...

Martes 17 septiembre 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,...

Lunes 16 septiembre 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...

Viernes 06 septiembre 2019

Cantidad : 1000 - Precio : 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...

Viernes 30 agosto 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...

Jueves 15 agosto 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...

Jueves 15 agosto 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...

Miércoles 14 agosto 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...

Martes 13 agosto 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...

Martes 13 agosto 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...

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 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...

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....

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...

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

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...

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...

Lunes 05 agosto 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...

Viernes 02 agosto 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...

Jueves 01 agosto 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...

Miércoles 31 julio 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...

Miércoles 31 julio 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...