SAMPLES - 8655 Annonces

Mardi 21 janvier 2020

The FLASH column is the heart of the FLASH purification system, like an engine in a car. If you want to do a good job, you must first sharpen the tools. Choosing the correct FLASH purification column is the most critical part of the whole purification process. And choosing the right...

Lundi 20 janvier 2020

As we know, five steps required for solid phase extraction cartridge: sample preparation, activation or equilibration of the column, loading, rinsing and eluting the compound of interest. There is no uniform regulation for that the solid phase extraction cartridge should be activated...

Lundi 20 janvier 2020

1. Why does the retention time sometimes drift and sometimes change rapidly when analyzed by HPLC? How to solve it? About drift ① The temperature control is not good. The solution is to use a constant temperature device to keep the HPLC column temperature constant. ② The mobile phase...

Dimanche 19 janvier 2020

The QuEChERS method is a sample preparation technology based on solid-phase extraction and matrix solid-phase dispersion technology. It is suitable for the treatment of low-fat samples and can achieve ideal results for samples containing less than 15% fat. Because of its simple operation...

Dimanche 19 janvier 2020

In 1958, the German company Eppendorf invented the first single-channel fixed-range pipe tte. In 1968, the Finnish Lab system (Raybo) invented a multi-channel fixed-range pipette, which greatly improved the efficiency of pipetting operations. In the early 1970s, Gilson of France introduced...

Vendredi 17 janvier 2020

Vacuum filtration system is a kind of vacuum filtration device, which ingeniously combines all the components needed for Vacuum filtration on one body, saving space and simple operation. It is widely used in laboratories, including various microbial tests in food, medicine, beverage...

Vendredi 17 janvier 2020

HAWACH cellulose extraction thimbles Cellulose extraction thimbles is a Soxhlet extraction sample cell for quality control, scientific research and/or analysis; it can easily and safely perform solid and semi-solid solvent extraction; the thimble is suitable for Soxhlet extraction...

Jeudi 16 janvier 2020

Highlights of HAWACH flash column HAWACH flash column is packed with proprietary technology for automatic packing. The column bed is compact and uniform, has no “ditch flow effect”, with high resolution and good reproducibility. Different particle sizes of normal phase and reversed-phase...

Mercredi 15 janvier 2020

Hawach sample vial is also called a sampling bottle, purification bottle, sterile bottle, clean bottle, filter bottle, filter bottle, sampling bottle, filter bottle and so on. It is in accordance with the international standard: ISO3722 “hydraulic drive· sampling vessel cleaning method...

Mardi 14 janvier 2020

The sample shall be dissolved as much as possible in solvents that are mutually soluble with the mobile phase. Except for special designation, the resolution of the sample HPLC column may be reduced if it is dissolved using a strong solvent. Besides, the sample solution shall be pre-filtered...

Lundi 13 janvier 2020

The dispersed solid phase extraction kit is selected based on the type of food being analyzed and the method used. In this step, the extracted sample is added in equal amounts to a 2 ml or 15 ml centrifuge tube. The centrifuge tube contains a small amount of solid phase extraction...

Samedi 11 janvier 2020

Bending galvanized sheet metal is a process in which a metal sheet is passed through a pressure device and a special mold to transform a flat sheet into a three-dimensional process called bending. Due to the different materials, thicknesses, lengths, and widths of the plates and the...

Vendredi 10 janvier 2020

Quantité : 1 - Prix : 100,00 €

This a Digital Overhead with variable speed function, simple operation in a wider speed range, apply to a stable liquid stirring, especially for mixing a small volume of samples, petroleum, chemical, medical and it was specially designed for application in health, environmental, biochemical...

Vendredi 10 janvier 2020

Quantité : 1 - Prix : 100,00 €

Portable colorimeter of XZBELEC is widely used in different industries such as plastic, printing, paint, textile, dyeing, etc. It measures the sample color value of L*a*b*, L*c*h*, color difference ΔE and ΔLab according to CIE color space. 1. Introduction Device sensor exports Japan...

Vendredi 10 janvier 2020

Quantité : 1 - Prix : 100,00 €

The Features of High Precision Benchtop Spectrophotometer Colorimeter It has high precision and uses the setting of the pre-positioning board, which eliminates the need to use the standard blackboard and whiteboard during the calibration of the traditional colorimeter and color difference meter...

Vendredi 10 janvier 2020

Quantité : 1 - Prix : 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...

Jeudi 09 janvier 2020

Quantité : 1000pcs - Prix : 10-100US D

Are you looking for reliable sheet metal manufacturing companies? Details of aluminum perforated metal Materials: stainless steel（we also can customize other material such as as： metal/steel/Aluminium and so on） Service: OEM ODM Surface Treatment: Zinc plated, Tin plated, Nickel, plated...

Jeudi 09 janvier 2020

Quantité : 1000pcs - Prix : 10-100US D

Are you looking for iron sheet box? The aluminum sheet is bent ( the first set of bending needs to be tested, look at the gap, and consider whether it can be assembled smoothly after surface treatment). The riveting injection ( this is not dusting, the temperature of the oven 160...)

Jeudi 09 janvier 2020

Quantité : 1000pcs - Prix : 10-100US D

Metal fabrication is the method of building machines and structures from raw metal materials like plate metals. architectural sheet metal fabrication comes embrace everything from hand railings to serious instrumentation and machinery. In metal fabrication processes, both human labor...

Jeudi 09 janvier 2020

Quantité : 1000pcs - Prix : 10-100US D

It is about to turn the manual work into computer programming. Of course, you need to have experience in manual processing. General CNC machining usually refers to computer digital control precision machining, CNC machining lathes, CNC machining milling machines, CNC machining boring...

Jeudi 09 janvier 2020

Quantité : 100000 pcs - Prix : USD0.005-USD0.031

Being DOT, ICAO and IATA compliant, 95kPa transport bags supplied by FQ Packaging China manufacturer is suitable to be used as a watertight receptacle. You really don't need to worry about the water within it for 95kPa transport bags can be one of the best choice for containing liquid...

Jeudi 09 janvier 2020

Hawach tubes and sample vials are the essential devices for collecting, transporting and storing samples. Always available in a variety of colors, sizes, volume capacities, and material compositions, Hawach sample vials can make your lab much more efficient with fewer failed assays...

Mercredi 08 janvier 2020

When the filter element has been used for a long time and the filtration speed still recovers less than ideal after recoil with the above method, the filter element can be removed and immersed in NaOH solution with a concentration of 2-4% for 4-8 hours. Then, clean water filtered...

Mardi 07 janvier 2020

Quantité : 10000piece - Prix : 20-60USD

The spremium square Led demister bathroom mirror is the perfect union of stylish design and modern technology. An illuminated frame of high output LED lighting that shines inside a mirrored trim. It also has a touch switch defogger feature. The ultra slim led mirrors with demister...

Mardi 07 janvier 2020

Quantité : 10000piece - Prix : 20-60USD

The spremium Steam Free Stylish non steam mirror is the perfect union of beautiful design and modern technology. It offers solid wooded frame and a touch switch for surface LED. It also has a touch switch defogger feature. The non steam bathroom mirrors measure 450x700mm and is available...

Mardi 07 janvier 2020

Quantité : 10000piece - Prix : 20-60USD

Whether it be your hotel or home bathroom, the Spremium LED mirror brings a lifestyle full of flavor to your home. Our 48 inch wide bathroom mirror exceeds the expectations with its beautiful and practical built-in LED magnifying mirror and digital display clock. It has all you need...

Mardi 07 janvier 2020

Quantité : 10000piece - Prix : 20-60USD

This is our brand new Bluetooth and Anti-fog Mirror and offers absolute wonderful experience. This stylish wall mounted LED mirror is equipped with Bluetooth box for function of player. It's fantastic that the led bathroom mirror with bluetooth speaker could eliminates the troubling...

Mardi 07 janvier 2020

Quantité : 10000piece - Prix : 20-60USD

This is our brand new Bluetooth and Anti-fog Mirror and offers absolute wonderful experience. This stylish wall mounted LED mirror is equipped with Bluetooth box for function of player. It's fantastic that the bathroom mirror with music could eliminates the troubling fog automatically...

Mardi 07 janvier 2020

Hawach HPLC column is composed of a column tube, pressure cap, clamping sleeve (sealing ring), the screen plate (filter), joint, screw and so on. The column tube is made of stainless steel. When the pressure is not more than 70 kg/cm2, thick-wall glass or quartz tube can also be used...

Mardi 07 janvier 2020

Originally designed to analyze fruits and vegetables, QuEChERS now includes a variety of products. Since being developed and released by scientists at the United States department of agriculture in 2003, QuEChERS has gained increasing popularity as a method of selection. It combines...