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Complete ICP-MS standards range at 10 mg/l
/cms/vwr_icp_ms_standards
Complete ICP-MS standards range at 10 mg/l 68 single elements ICP-MS standards for metal trace analysis calibration Large ICP-MS single element standards range at 10 mg/l delivered with an extensive Certificate of Analysis (NIST traceability contr...
~~Gehaltsbestimmung von Ca und Mg in Mineralwässern~~
/m-cn.vwr.com/zh_CN/images/Chemical-oxygen-demand-COD-DIN-38409-part41_2305KB.pdf
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 Analysis
/cms/food_and_beverage_kjeldahl_analysis
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~~
/m-cn.vwr.com/zh_CN/images/FOS-TAC-value-in-biogas-plants_285KB_English-PDF.pdf
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...
Solutions For TOC Analysis
/cms/environment_solutions_for_toc_analysis_hgp
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 ...
样品制备
/cms/environment_sample_preparation
样品制备 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 metals in water ...
Density standards
/cms/density_standards
Density standards 182 density standards for use at different temperatures (15°C 20°C 25°C 40°C 50°C 60° 80°C) Extensive range of density standards in accordance with ASTM D1480-12 for density or relative density (specific gravity) measurements by ...
~~COD standards~~
/cms/vwr_cod_standards
COD standards A complete and comprehensive range of COD standards from 10 to 60 000 mg/l These standards are ideal for use as control standards to verify that correct analysis for COD has taken place. High quality Reproducibility Accurate Availabl...
VISCOSITY STANDARDS
/cms/vwr_viscosity_standards
VISCOSITY STANDARDS New range of certified accurate and traceable Viscosity Standards. These products can be used for calibration control verification qualification or method validation of kinematic and dynamic viscosity measurement instruments (b...
Kjeldahl tablets
/cms/vwr_chemicals_kjeldahl_tablets
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...
~~chemical handling en mr~~
/m-cn.vwr.com/zh_CN/images/chemical_handling_en_mr.pdf
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 ...
Quantus, underwear standard
/cms/basan_underwear_standard
Quantus underwear standard Features sweatshirt: Lap seams for tight and secure seam-enclosure Antistatic Long sleeves Also available as T-shirt with short sleeves Knitted cuffs Round neck knitted Extra material flap for bar code inside Antimicrobi...
Melting point standards
/cms/vwr_melting_point_standards
Melting point standards To calibrate your equipment with accuracy Product range is composed by 10 melting point standards from Benzophenone (melting Point 47 to 49 °C) to Anthraquinone (melting Point 283 to 286 °C) The majority of the extensive ra...
~~Hichrom Catalogue 9~~
/m-cn.vwr.com/zh_CN/images/CONSUMABLES_and_ACCESSORIES-Tubing_p328-329.pdf
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...
Secondary reference standards for Gas Chromatography
/cms/gc_chemical_corner
Secondary reference standards for Gas Chromatography Wide range of 24 different GC secondary reference standards for various chromatographic and analytical applications. FDA USP and EP all recognise the use of secondary standards and working stand...
过程蠕动泵为要求严苛的采矿应用提供稳健有效的解决方案
/cms/tech-article-peristaltic-pumps-robust-effective-mining-solutions
过程蠕动泵为要求严苛的采矿应用提供稳健有效的解决方案 Gregg E. Johnson Masterflex Barrington IL USA. With Masterflex ® peristaltic pumps a well-balanced range of capabilities and flexibility combines with optimal abrasive and chemical resistance. These pumping systems provi...
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