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European standards for disposable chemical protective clothing CE marking of protective clothing Protective clothing belongs to the group of personal protective equipment (PPE) and therefore has to comply with the European Directive 89/686/EC whic...

Chemical Safety in the Laboratory When working with any chemicals especially hazardous ones safety is paramount. The appropriate personal protection equipment is of course mandatory but there are other options you might want to consider to help yo...

Basics of Centrifugation Reprinted with permission of THERMO The purpose of this tutorial is to introduce basic concepts of centrifugation including vocabulary centrifuge and rotor types separation techniques and even gradient selection. For furth...

Regulations/Norms Water Quality ISO 6059 Determination of total hardness (calcium and magnesium) - Titrimetric Method with EDTA ISO 6058 Determination of calcium - Titrimetric Method with EDTA EN ISO 9963-1 Determination of total alcalinity and co...

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Chemicals for sample preparation Sample preparation is as important as the analysis of your sample. Make sure you use the right reagents to avoid contamination of your sample. Chemical Innovations MSDS Certificates Please refer to below Tips & Tec...

Density Density of solutions liquids etc is a basic test for quality control in the food and beverage industry. Product selection Density Density of solutions liquids etc is a basic test for quality control in the food and beverage industry...

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VWR Singapore Terms and Conditions of Sale – Rev. 01/10/2021 1. Definitions. a) “Agreement” means these Terms and Conditions of Sale. b) “Affiliates” means in relation to VWR any firm person or entity that is directly or indirectly controlled by A...

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Chemicals and chromatography Whether you are performing basic paper filtration or advanced HPLC methods our VWR Collection of brands and products deliver high quality laboratory chemicals and consumables to support your analytical needs. Our exten...

R&D A strong and vibrant research and development function is the lifeblood of all industries. VWR will support you from the latest lifescience products to the guaranteed purity of organic building blocks. Liquid Handling VWR offers a complete liq...

Analytical Measurement and Testing Thousands of analytical measurements are carried out everyday by various industries. The result of these analytical measurements is obvious in longer run times greater yields and a greater assurance that regulato...

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Conductivity/TDS Conductivity measurement made easy - everything you need from one source. Product selection Conductivity Meters Range of meters for use in the lab from basic models to sophisticated programmable GLP models... Conductivity Probes G...

Dissolved Oxygen Robust and reliable hand held and bench oxygen meters are available with a choice of optical and standard probes to give you the results you want. Product selection Dissolved Oxygen Meters Range of meters for use in the lab from b...