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切向流过滤：更简便、更快捷、更高效 当需要高效、经济地去除杂质且涉及大量样品时， 切向流过滤 (TFF) 可能是最佳选择。TFF 采用 过滤器 分离或隔离特定粒径的颗粒。不同于传统（或死端）过滤，切向流过滤允许流体循环穿过过滤器以产生压差，而不是强制流体通过。 这种 “切向”过滤 方式意味着样品平行流过过滤器，并通过储液器进行多次循环。小于孔径的颗粒可通过滤膜，形成滤液。 TFF也称为 错流过滤，包括微滤、纳滤和超滤。 切向流过滤的优势 使用 TFF，可避免较大颗粒在过滤器中堆积或结块，提...

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...

Anti-fatigue Cleanroom Mats Anti-fatigue cleanroom mats have the comfort of polyurethane with the added benefit of being easy to clean due to the closed cell / non porous top surface. Constructed of virgin raw materials the mats are solid througho...

Gehaltsbestimmung von Ca und Mg in Mineralwässern Application date: 03.04.2013 page 1 from 11 Saponification Number in fats and oils according to DIN 53 401 Application date: 03.04.2013 page 2 from 11 Use Determination of saponification number in ...

摩尔浓度换算 立即换算摩尔浓度单位。12 种不同单位可供选择，包括摩尔/立方米 摩尔/公升 摩尔/立方厘米 摩尔/立方毫米 千摩尔/立方米 千摩尔/公升...... 自： 至： 摩尔/立方米 [mol/m^3]摩尔/公升 [mol/L]摩尔/立方厘米 [mol/cm^3]摩尔/立方毫米 [mol/mm^3]千摩尔/立方米 [kmol/m^3]千摩尔/公升 [kmol/L]千摩尔/立方厘米 [kmol/cm^3]千摩尔/立方毫米 [kmol/mm^3]毫摩尔/立方米 [mmol/m^3]毫摩...

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 ...

AVANTOR/VWR中国（“本公司”）销售一般条款与条件 本条款与条件将作为本公司销售产品和服务的商业交易的组成部分，双方已阅读并理解这些条款和条件，并同意受这些条款和条件的约束。 定义- AVANTOR/VWR中国(“本公司”），在本协议下包括，但不仅限于，Avantor Life Sciences (Shanghai) Co. Ltd./艾万拓生命科学（上海）有限公司、Avantor VWR (Shanghai) Co. Ltd./艾万拓威达优尔国际贸易(上海)有限公司VWR Int...

我们提供定制化工程解决方案！ 超过 50 年的工程合作经验，以及行业领先的能力和性能 了解流程 我们的产品范围由您定义。从比泪滴小的敏感体积到高于消防水带的流速，我们的泵将为您定制解决方案，确保准确无误地运行。每个组件都可定制，充分满足您的确切需求。 立即体验从概念到生产的定制化服务！ 填写该表格 定制化流体通路解决方案——智能 ROI 为放射治疗和同位素产品定制的泵 与真正的开发合作伙伴供应商合作可以产生巨大影响、减少开发时间并节省资金。与 John 一起深入了解为什么我们是真正的开发合...

Mag-Bind® Total Pure NGS M1378-00 5 mL M1378-01 50 mL M1378-02 500 mL Manual Date: November 2018 Revision Number: v2.1 1 Introduction and Overview.......................................................2 Illustrated Protocol...........................

Masterflex B/T® Tubing Life Technical Data B/T Performance Data for NORPRENE® Food Silicone and C-FLEX® Tubing Formulations Like the L/S® and I/P® tubing sizes B/T sizes B/T® 86 B/T® 88 B/T® 90 and B/T® 92 tubing offer all the characteristics of t...

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 ...

Gehaltsbestimmung von Ca und Mg in Mineralwässern Application date: 03.04.2013 page 1 from 11 Determination of Acid number and free fatty acids (FFA) in fats and oils Application date: 03.04.2013 page 2 from 11 Use The method is suitable for edibl...

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...

infoPoint The complete decontamination of equipment and surfaces from any DNA molecules is important for biological containment and safety as well as preventing false results in PCR amplification experiments. DNA-ExitusPlus™ is a safe nucleic acid...

Fragmentation & Library Preparation sparQ DNA Frag & Library Prep Kit The sparQ DNA Frag & Library Prep Kit optimises the integration of enzymatic fragmentation into a two-step protocol for the streamlined construction of libraries for sequencing ...

Please visit www.omegabiotek.com for a downloadable user manual containing additional protocols troubleshooting tips and ordering information. Quick Guide Omega Bio-tek Inc. | P: 770-931-8400 | info@omegabiotek.com | www.omegabiotek.com QMF28 Revi...