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Dry Chemicals / Salts VWR offers a wide assortment of products and brands in this category. If you cannot find the product or brand that you are looking for in this listing please use the general search field in the top-left corner of the screen t...

Gas Chromatography (GC) Gas chromatography uses helium hydrogen or other gases to separate identify and quantify sample mixtures with reliable results. This technique is widely used in the food environmental and chemical industries but also has ma...

TYGON® LFL Tubing Advantages: Longest life of all TYGON peristaltic tubings (1000 hrs). Nonaging nonoxidizing. Clear for easy flow monitoring. Broad chemical resistance. Low gas permeability. Smooth bore. Good for viscous fluids. High dielectric c...

TYGON® LFL Tubing Advantages: Longest life of all TYGON peristaltic tubings (1000 hrs). Nonaging nonoxidizing. Clear for easy flow monitoring. Broad chemical resistance. Low gas permeability. Smooth bore. Good for viscous fluids. High dielectric c...

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...

Life Science Focus Publications Focus: Cellular Analysis Workflow Magazine Broad range of technologies used to investigate the basic cell biology as it relates to cell health prolifertaion function and death Focus: Next-Gen Sequencing Workflow Mag...

Free Lab Activities Download save and print the following standards-aligned activities for use in your lab. For help locating materials browse our complete chemistry selection or contact the Ward's Science Plus Us team at sciencehelp@vwr.com. Chem...

Maintaining Sample Integrity with Aerosol-blocking Tips Liquid Handling Consumables Thermo Fisher Scientific Because of the sensitivity of PCR a variety of factors can compromise the integrity of the reaction. This illustrates the importance of us...

Chemical Storage Practice Safe Chemical Storage Safe chemical storage is critical in any school lab or industrial environment. There are a variety of systems to help you safely store and manage your chemicals and it's important to find the right o...

Liquid Chromatography (HPLC & UHPLC) - Sample Preparation Sample preparation is key but often overlooked step in the chromatography process. Every sample is unique and what works for one preparation may not work as well for another. That’s why Ava...

TYGON Food (B-44-4X) Tubing Advantages: Designed especially for handling food products; bore is extremely smooth (better than most stainless steels) nontoxic will not affect taste or odor and clear for CIP and flow verification. Excellent nonwetti...

PHARMED Tubing Advantages: Great for tissue and cell work—nontoxic and nonhemolytic. Long service life minimizes risk of fluid exposure; reduces tubing costs and pump downtime. Opaque to UV and visible light to protect light-sensitive fluids. Heat...

Using Ward's Color-Coded Storage System Ward's Color-Coded Storage System is a safe simple and effective chemical organization storage system that's built into every Ward's Chemical. Simply refer to the color on the cap and put it where it belongs...

PCR Cycling Process – An Overview of the 3 Stages PCR (Polymerase Chain Reaction) amplifies DNA and involves a series of temperature cycles critical for amplifying the DNA target. The cycling process is divided into three main stages: denaturation...

Protein Purification Methods: A Comprehensive Overview The basic aim in protein purification is to isolate one particular protein of interest from other contaminating proteins to study its structure and function. This page will provide an overview...

PCR Cycling Process – An Overview of the 3 Stages PCR (Polymerase Chain Reaction) amplifies DNA and involves a series of temperature cycles critical for amplifying the DNA target. The cycling process is divided into three main stages: denaturation...