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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: 29.3.2012 1 of 6 Total hardness in drinking water Application Date: 29.3.2012 2 of 6 Use This method is used for the quantitative determination of total hardness in drinking water...

实验室化学防护 当使用任何化学品，尤其是危险化学品时，安全至关重要。 当然，必须使用适当的个人防护设备，但您可能还需要考虑其他选择来帮助您保持实验室安全： 化学品处理–选择易于处理，更安全的容器中的化学品可以让您更安全 准备好合适的吸收剂以防意外破损或溢出 使用更安全的化学替代品并监控有害残留物，避免不必要的危害 桌面保护和更安全的分配 化学品存储，包括危险标签 此外，我们还提供了一些常见问题解答，希望您能找到有关REACH和CLP法规的有用信息。 可以下载一般安全准则和技术指南，以及指向...

(Microsoft PowerPoint - Pr\344sentation VWR ChromJournal_Chromolith WP Epoxy-Immobilization_062018-vs2_BP \(005\).PPTX [Read-Only]) Benjamin Peters Tom Kupfer Gisela Jung Peter Knoell Egidijus Machtejevas Petra Lewits Juni 2018 via immobilization ...

Gehaltsbestimmung von Ca und Mg in Mineralwässern Application Datum: 29.3.2012 Seite 1 von 9 Determination of Calcium in jelly drinks Application Datum: 29.3.2012 Seite 2 von 9 Use This method is used for the quantitative determination of Calcium ...

Non-sterile solutions for surfaces and CIP Since the non-sterile products offered vary from country to country this page provides an overview of the available product groups. Your local sales team will be glad to provide you with information on av...

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 ...

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...

法规/章程 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 composite - Pa...

Chemical_CapabilityTable_v011.indd For Research Use Only © 2016 Thermo Fisher Scientific Inc. All rights reserved. All trademarks are the property of Thermo Fisher Scientific Inc. and its subsidiaries. PFLSPSTORAGECHEM 0716 Chemical Compatibility ...

Sterile Solutions for Surfaces in Cleanrooms The solutions are filtered to 0.2 µm before filling and packaging in cleanroom conditions and are either aseptically filled or terminally irradiated. Neutral detergent High-foaming liquid detergent neut...

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...

33 LC Colum n Selection – C18 Reversed-Phase M aterials www.hichrom.co.uk • sales@hichrom.co.uk • Tel: +44 (0) 118 930 3660 Hichrom Lim ited C18 Reversed-Phase Materials SPECIFICATIONS OF C18 BONDED RP MATERIALS Octadecyl (ODS) or C18 bonded phase...

Gehaltsbestimmung von Ca und Mg in Mineralwässern Application date: 03.04.2013 page 1 from 10 Determination of Kjeldahl- Nitrogen Application date: 03.04.2013 page 2 from 10 Use The method is suitable for samples which contents nitrate or protein....

使用蠕动泵泵送剪切敏感流体 Factors Impacting Shear Sensitivity Peristaltic pumps have become the gold standard for shear-sensitive pumping applications where damage to cells or agitation of a suspension or colloidal mixture may interfere with the science being...

Masterflex 蠕动泵可针对流程工具内的流体流量进行纯粹的精确控制 Gregg E. Johnson Sr. Global Product Manager Masterflex Bioprocessing USA. Semiconductor manufacturing demands liquid flows within process tools be precisely controlled at all times. One of the most demanding ap...