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Toxic and corrosive materials Always treat all chemicals as potential poisons and be aware of properties/precautions before use. Avoid direct contact with any chemical and never breathe in solvent vapours. Examples of chemicals giving off vapours ...

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...

Gehaltsbestimmung von Ca und Mg in Mineralwässern Application date: 28.2.2012 Seite 1 von 8 Determination of acidity/acid degree in milk and milk products Application date: 28.2.2012 Seite 2 von 8 Use This method is used for the quantitative deter...

Liquid-Liquid Separations For optimum preparation of your sample in aqueous matrices. Product selection Separating Funnels Borosilicate glass teflon all different shapes and sizes...

Standards VWR offers a series of conductivity standards and potassium chloride solutions for calibration of your meters. Product selection Standards

Vacuum concentration Concentration of your precious samples is crucial when creating new substances. Any content loss or contamination between samples caused by 'bumping' for example must be avoided. VWR offers the best choice of dedicated vacuum ...

Size Exclusion Chromatography SEC columns separate components according to their molecular size in solution larger molecules eluting first. Separation is achieved by the differential exclusion or inclusion of components within the packing material...

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...

Protein & mAb Chromatography Featured Solutions Avantor®ACE® Reversed-phase HPLC has become an essential tool in the separation and analysis of proteins and peptides. Industry-leading ACE® columns are available with 300 Å pores ideal for your prot...

General Description of an Application Application Date: 11.02.2014 Page 1 of 8 Determination of Iodine number Application Date: 11.02.2014 Page 2 of 8 Use The method describes the procedure for the determination of the iodine number with the use o...

Filtration Featured Solutions AcroPrep 24-well filter plates can sterile filter proteins from high density cell cultures in one step. Streamline workflows and save time. Learn more Additional Resources Video Datasheet Sample request Video Filtrati...

Avantor Flowmor™ Packaging System improves free-flowability of hygroscopic salts What are hygroscopic materials? Examples are calcium chloride sodium chloride potassium phosphate and variety of buffer salts. Flowmor is a unique packaging system wh...

Sample Preparation Sample preparation refers to the different ways or methods in which a sample is treated before analysis. Sample preparation can be both time-consuming and a main source of errors having a major impact on the result of any analyt...

Chem-Durance Chemical pump tubing Introduction Choosing a pump tubing formulation often means compromising on one or more key performance characteristics. Formulations that offer broad chemical resistance typically do not offer long pumping life. ...

Nalgene Rapid-Flow Filters the last line of defense against contamination Thermo Scientific Nalgene™ Rapid-Flow™ Filters All Nalgene filters now have the Rapid-Flow multi-column membrane-support system. This proprietary system provides a uniform c...

PG1702-PJT2232-COL05448-Protein-Quantification-TechNote-Gobal.indd TECHNICAL NOTE NanoDrop One/OneC and Multiskan Sky spectrophotometers A theoretical and practical guide for spectrophotometric determination of protein concentrations at 280 nm of ...