You Searched For: Sulphuric acid

Gehaltsbestimmung von Ca und Mg in Mineralwässern Application date: 16.05.2013 page 1 from 7 Determination of the Chemical Oxygen Demand COD according to DIN 38 409 part 41 Application date: 16.05.2013 page 2 from 7 Use Determination of the chemic...

Kjeldahl tablets 20 different compositions for nitrogen determination A comprehensive range of ‘ready to use’ tablets to meet the optimal requirements for the sulphuric acid decomposition phase of the Kjeldahl method for nitrogen determination. Av...

Solutions For TOC Analysis Total Organic Carbon (TOC) Analysis Solutions for Detecting Organic Contamination in Water Dissolved organic carbon is oxidised by sodium persulphate reagent and CO2 produced is measured by spectrophotometry. Many other ...

Choosing laboratory plasticware with the right chemical compatibility By DWK Life Sciences Plasticware is required for a variety of laboratory processes but an understanding of plastic chemical compatibility - its physical properties and how this ...

Kjeldahl Kjeldahl nitrogen determinations are performed on a variety of food substances. The Kjeldahl method may be broken down into three main steps: digestion distillation and titration. 1. Digestion: is accomplished by boiling a homogeneous sam...

Nitrogen determination The Kjeldahl method is used to determine the nitrogen content of a sample. In this analysis the sample is digested with a strong acid and the free nitrogen reacts to form ammonium sulfate. Promotions Chemical Innovations Con...

Kjeldahl Analysis Kjeldahl nitrogen determinations are performed on a variety of food substances. The Kjeldahl method may be broken down into three main steps: digestion distillation and titration. 1. Digestion: is accomplished by boiling a homoge...

Gehaltsbestimmung von Ca und Mg in Mineralwässern Application date: 28.2.2012 Seite 1 von 9 Determination of FOS TAC value in Biogas plants Application date: 28.2.2012 Seite 2 von 9 Use The determination of the volatile organic acids (FOS) and tot...

Process Peristaltic Pumps Provide Robust Effective Solutions For Demanding Mining Applications Gregg E. Johnson Masterflex Barrington IL USA. With Masterflex ® peristaltic pumps a well-balanced range of capabilities and flexibility combines with o...

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...

Hichrom Catalogue 9 HICHROM Chromatography Columns and Supplies Hichrom Limited 1 The Markham Centre Station Road Theale Reading Berks RG7 4PE UK Tel: +44 (0)118 930 3660 Fax: +44 (0)118 932 3484 Email: sales@hichrom.co.uk www.hichrom.co.uk Catalo...

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 ...

Sample Preparation It is essential to obtain accurate results. VWR offers a large choice of products from mixing and grinding to automatic digestion and distillation systems. Digestions units used for the determination of nitrogen COD and trace me...

Nucleic Acid Electrophoresis Featured Solutions VWR peqGOLD electrophoresis reagents for DNA analysis. Agarose DNA ladders Additional Resources VWR products for electrophoresis catalogue VWR horizontal electrophoresis chambers for fast and accurat...

High Purity Acids The J.T.Baker® and Macron Fine Chemicals™ lines of high purity acids will meet your needs - even for detection of trace metals at ultra-low ppt levels. Product selection J.T.Baker® ULTREX II Ultrapure Acids Recommended for use in...

Nucleic Acid Preparation and Cloning Nucleic Acid Preparation and Cloning The outcome of any downstream analysis highly depends on the quality of the initial steps of sample collection homogenisation and nucleic acid purification. Whether you are ...