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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...

C-FLEX (50 A) Tubing Advantages: Physical properties similar to silicone with chemical compatibility of TYGON®. Inexpensive. Excellent biocompatibility. Smooth bore. Nontoxic no leachable plasticizers. Lower gas permeability than silicone. Use wit...

NORPRENE® (A 60 G) Tubing Advantages: Best choice for vacuum/pressure applications. Offers longest life with good flow consistency. Heat and ambient ozone resistant. Good resistance to acids and alkalies. Black color hides dirt and dust. Heat seal...

NORPRENE® Food (A 60 F) Tubing Advantages: Similar to NORPRENE (A 60 G) (series 06404) but with FDA compliance. Excellent for food and dairy applications. Offers longest life with good flow consistency. Heat and ozone resistant. Good resistance to...

General Description of an Application Application Date: 24.05.2013 Page 1 of 7 Determination of Peroxide value Application Date: 24.05.2013 Page 2 of 7 Use The peroxide number gives the initial evidence of rancidity in unsaturated fats and oils. O...

PHARMED Tubing Advantages: Great for tissue and cell work—nontoxic and nonhemolytic. Long service life minimizes risk of fluid exposure; reduces tubing costs and pump downtime. Opaque to UV and visible light to protect light-sensitive fluids. Heat...

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...

Masterflex Connection Newsletter Vol.3-2 - Pharmed Tubing PharMed tubing outlasts silicone tubing in peristaltic pumps by up to 30 times (up to 10000 hours) simplifying your processes by reducing production downtime due to pump tubing failure. The...

General Description of an Application Application Date: 21.10.2013 Page 1 of 5 Quantitative analysis of ascorbic acid with Iodine titrant Application Date: 21.10.2013 Page 2 of 5 Use This method is used to determine the content of ascorbic acid (V...

(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 ...

gelifesciences.com Protect your columns and your peaks Prolong your ÄKTA™ system chromatography column lifetime with Protein Prep syringe filters for ÄKTA systems 2 of 4 Protect your columns and your peaks Good practice in liquid chromatography (L...

@@NUMMER 8090145@@ 1 DNA-ExitusPlus & DNA-ExitusPlus IF Reagent for the removal of DNA and RNA contaminations Product codes A7089 and A7409 Description DNA-ExitusPlus™ is a novel patented reagent for the removal of nucleic acid contamination fro...

泵管选型指南 下面的“泵管选型指南”可助您为您的应用选择合适的泵管。下表中的化学相容性指南和耐化学性总结仅作参考。耐化学性和泵管磨损可能因用途而异，请根据实际条件测试您选择的泵管。 耐化学性分类 A —持续暴露 30 天后无损坏。 B —持续暴露 30 天后几乎没有损坏。 C —持续暴露 7 天后会产生一些影响。影响可能包括开裂、龟裂、强度损失、变色、软化或膨胀。有时，软化和膨胀是可逆的。 D —不建议连续使用。可能会立即造成损坏。 “_” —测试数据不可用或不适用。 配方 工作 温度 树...

General Description of an Application Application Date: 23.01.2014 Page 1 of 8 Quantitative analysis of ascorbic acid with specific titrant DCPIP Application Date: 23.01.2014 Page 2 of 8 Use This method is used to determine the content of ascorbic...

Titration with Merck chemicals and solutions Titration is a quantitative chemical analysis to determin the unknown concentration of any substance. Depending on the substance you want to analyse different titration reactions can be used. Acid base ...

General Description of an Application Application Date: 10.04.2013 Page 1 of 10 Total base number – TBN according to ASTM D2896/ISO 3771 Application Date: 10.04.2013 Page 2 of 10 Use Determination of basic constituents in petroleum products by pot...