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Extensive refractive index standard range from (134325-165808 ŋD) A complete range of 25 standards solvent-based and sucrose-stabilised at 20°C These 25 refractive index standards can be used with any brand of refractometer. One of the most extens...

工业污水&废水检测 Wastewater and effluents can be tested for a range of parameters for process control disposal and for compliance with legislation. To meet your discharge limits VWR have an extensive environmental testing range. So whatever your wastewat...

总有机碳（TOC） Total Organic Carbon (TOC) is the amount of carbon bound in an organic compound and is often used as a non-specific indicator of water quality. The rapid method of TOC determination by colorimetric method makes this an easy method to ens...

环境 A large choice of products and services for complete water analysis on-site and in the laboratory 电化学产品 样品采集 Everything you need for sample collection... 样品制备 A large choice of products for sample preparation... 色度计/光度计 我们提供多种设备来测量水中的元素 总有机碳（TO...

悬浮物 VWR offers a variety of products for you to measure water quality from the point of view of suspended materials: Rapid method with moisture analysers Centrifugation or filtration methods in compliance with European norms The method for removin...

General General Determination of pH as Quality Control Test in Culture Media pH affects the physical appearance of culture media and their ability to grow microorganisms. Determination of pH in Non-Aqueous Solutions A simple extraction procedure u...

色度计/光度计 VWR offers a large choice of systems to measure the different elements of water: Test strips visual kits portable colorimeters and photometers bench photometers and spectrophotometers. 分光光度计 紫外可见分光光度计—仪器... Fast Analysis Reflectometers col...

VWR Collection cleanroom nitrile gloves NEW! Switch cleanroom gloves from latex to nitrile with the brand new gloves from VWR Collection. High tensile strength and strong permeation resistance against a wide variety of solvents acids and bases Dou...

NanoDrop One NanoDrop One/Onec UV-Vis Spectrophotometer Quantify and qualify DNA RNA and protein samples with only 1-2 µL and have full-spectral data in seconds using the Thermo Scientific™ NanoDrop™ One Microvolume UV-Vis spectrophotometer. Preve...

环境 A large choice of products and services for complete water analysis on-site and in the laboratory 电化学产品 样品采集 Everything you need for sample collection... 样品制备 A large choice of products for sample preparation... 色度计/光度计 我们提供多种设备来测量水中的元素 总有机碳（TO...

质量控制 A well performing QC laboratory ensures the integrity of a company's production process from raw material validation to finished product verification Metal trace analysis and detection Sample Collection Sample Preparation Liquid Handling VWR ...

滴定仪 为您提供一切定量技术中所需的滴定产品，从传统的玻璃器皿到自动滴定仪，包括试剂和配件。 VWR Chemicals Indicators - to monitor your reactions and titrations Chemical reactions and the status of them can be followed by changes in the colour of the indicators. We have a complete range of pH...

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 ...

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...

Automatic titration without all the complications Titration can be easy. The TitraLab AT1000 from HACH uses pre-set functions that eliminate complex programming and provide accurate results. An ideal replacement for the burette! Stop guessing when...

Protect & Store Your clones cell lines primary cells or series of biopsies are the fruits of your efforts as well as the basis for your future success. Why would you compromise? Choose storage and biobanking solutions that will keep your precious ...