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High Performance Liquid Chromatography High performance liquid chromatography (HPLC) is an analytical technique to separate identify and quantify components in a mixture. It is the single biggest chromatography technique essential to most laborato...

Mass Spectrometry Mass spectrometry is an important tool when specific compounds and materials must be identified with a high degree of precision. Among its uses are food quality and safety drug testing analyzing pesticide residue protein identifi...

Valid Units of Measure Package Sizes: Abbreviation Unit Size BG Bag BL Bundle BT Bottle BX Box CS Case CT Carton DR Drum DZ Dozen EA Each GR Gross JR Jar KT Kit PD Pad PK Pack PL Pallet PR Pair RM Ream RL Roll TB Tube Length: Abbreviation Unit Siz...

Advanced Battery Science - Controlled Environment Avantor sets advanced battery science in motion to create a better world Avantor offers a broad range of cleanroom products to protect the product and process Wipes Swabs and Cleaning tools Cleanro...

Back Pressure in Flowmeters: Causes and Solutions If you use a flowmeter to measure flow rate you must consider the effect of back pressure. In some processes sufficient back pressure will exceed maximum operating pressure causing some component o...

Analytical Chemistry: Chromatography VWR supports you're demanding requirements for chromatography instruments and consumables. From research to production to manufacturing VWR provides you with the products you're using the products you'll need a...

NORPRENE® (A 60 G) Tubing Advantages: Best choice for vacuum/pressure applications. Offers longest life with good flow consistency. Heat and ambient ozone resistant. Good resistance to acids and alkalies. Black color hides dirt and dust. Heat seal...

Fire Assay All of your fire assay needs are available through VWR. Consumable items such as Alpine Cupels APGreen and Anachemia crucibles custom made flux fluxing reagents including borax soda ash silica and litharge. We offer the Mines Assay 3 el...

Inlet Accessories Find all supplies required for all your GC inlets including cool on-column (COC) multimode inlet (MMI) programmable temperature vaporizing (PTV) and purged packed inlet (PPI). Cool On-Column (COC) Inlet Supplies Cool on-column in...

Environmental Testing of Air Water and Soil in the Lab When it comes to reversing the negative effects of environmental hazards on human health the first step is to identify which hazards are present in each situation. This is where an environment...

Introducing our New VWR Standard Tissue Culture Line! We understand the need to stretch your dollars and the need for quality. Our New VWR Collection Tissue Culture Consumables can help you do both! These items are vacuum-gas and plasma treated to...

Industrial MilliporeSigma is the world leader in chemical analysis offering a broad range of high quality laboratory chemicals for all of your challenging applications. Related Information: Literature Current Promotions Organic Synthesis An extens...

Capillary Tubs and Accessories Agilent provides all the necessary gas chromatography accessories and tooling for you to perform maintenance on your capillary columns. Our extensive portfolio includes column hangers and baskets capillary rinse kits...

Cavity Style vs. Suction Shoe Style Pump Heads Pump-head design comparison for gear pumps This article discusses the differences between the cavity style and the suction shoe pump heads for gear pumps. Pump heads for gear pumps are available as wi...

What is mass spectrometry? Overview of mass spectrometry Mass spectrometry is an important tool for identifying specific compounds or materials with a high degree of precision. This technique has many applications ranging from food quality and saf...

Chemical Permeation Guide What is permeation? Permeation is the process by which a potentially hazardous chemical moves through a material on a molecular level. Molecules of chemical adsorb onto the outer surface of the material. They then enter a...