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3M Solutions - Eyewear Eye Protection Engineered for Safety Designed for Style Selection The portfolio of 3M Eye Protection products promises quality eyewear that provides an optimal balance of comfort protection and design. Our engineers have wor...

视频 视频 无论您是初学者或专家，我们有一系列视频，以帮助您进行日常工作。 SPE清洁步骤 样品前处理对您的结果影响很大。 正确处理是关键。 使用正确的溶剂 您需要花费大量工作来获取适合您方法的色谱柱，仪器和条件，但流动相同样重要。 在柱温箱中设置HPLC柱 第一次正确安装色谱柱可以帮助您避免以后浪费时间解决问题。 色谱柱盒里有什么？为什么它如此重要？ 您会在盒子中收到色谱柱，其中有很多其他信息，在开始使用该色谱柱之前，请务必阅读这些信息。 Column Equilibration You...

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...

PESTINORM® headspace solvents High purity solvents for organic volatile impurity analysis Static headspace GC (GC-HS) is a technique used to concentrate volatile analytes prior to analysis. It can improve detection of low levels of volatile analyt...

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 ...

微生物基重组蛋白的上游加工 利用微生物发酵来开发和制造重组蛋白的优势，例如表达不需要翻译后修饰的蛋白，因为像大肠杆菌这样的微生物系统缺乏翻译后机制。 Avantor的产品组合解决了发酵介质和补充剂的需求。 我们的发酵产品支持细胞生长和生产率，同时满足所需的质量和性能参数，允许从研发、试点规模到生产规模的无缝过渡。 主要回收、浓缩和澄清所需的离心机和试剂是可用的。 一旦您的最佳内部开发的生产基础介质确定，期待Avantor定制制造您的液体或干格式的介质，并包装他们，以允许高效转移到您的生物反...

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...

Facility Support & logiSticS ServiceS SucceSS Story 400000 350000 300000 250000 200000 150000 100000 50000 400000 350000 300000 250000 200000 150000 100000 50000 2008 2009 2010 2011 120 100 80 60 40 20 2008 2009 2010 2011 170000 150000 130000 1100...

product information 1 Treatment of Mycoplasma-infected Cells with Antibiotics Myco-1 (A5222) Myco-2 (A5233) and Myco-3 (A5240) Description The contamination of cells with mycoplasma is a very common problem even though it often goes unnoticed sinc...

eVol® XR [BE] Enabled analytical syringe The world’s first analytical syringe XCHANGE® syringes are easily and quickly switched allowing them to be dedicated to individual liquids or methods to prevent possible cross-contamination of reagents eVol...

Why Switch to Phthalate-Free Tubing? Traditionally used in plastics manufacturing phthalates increase flexibility transparency durability and longevity in products. One of the most common di(2-ethylhexyl) phthalate (DEHP) is an organic chemical de...

3M Our Vision: 3M Technology Advancing Every Company 3M Products Enhancing Every Home 3M Innovation Improving Every Life Science is simply science – until it is applied to helping make daily life better. And that is exactly what drives us. This is...

Masterflex 网络研讨会 如何凭借一次性流体系统提高生产力：生物制药应用的基础 This webinar focuses on drugs and therapeutics production and the need for improved efficiency and the challenges presented by regulatory legal and logistical limitations. Masterflex has developed a rang...

Cell culture Both autologous and allogeneic cells are obtained from donors utilizing methods including but not limited to apheresis aspirates and surgical biopsies. The donor cells of interest are processed to remove undesirable contaminants and p...

Saving Time and Reducing Costs Through Cost-Efficient Inventory Management Your Role Your Challenge Our Services Portfolio Resources About Us Challenge Keeping track of lab supplies emerged as a complicated problem for a global leader in household...

Quality Control Quality Control New instrumental colour measurement according to European Pharmacopoeia 10.3 chapter 2.2.2 Juergen Moeller-Kemsa La PCR quantitative au service de la qualité de l'eau Christian Siatka pH Measurement: What is importa...