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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...

临床化学 Specialist products to offer convenience and speed for drugs and alcohol testing as well as monitoring of feeding tubes and other point of care testing products. 产品 Drug tests pH Test Strips pH indicator strips CE certified for in vitro digno...

New instrumental colour measurement according to European Pharmacopoeia 10.3 chapter 2.2.2 Webinar Tuesday 8th June 2021 10:00 to 11:30 CEST (Berlin Paris Madrid) Register Email Alerts Free Registration Chat Area Certificate of attendance The colo...

如何选择 Masterflex 泵系统 定义应用需求。 需要多大的流速？ 输送什么化学品？ 流体粘度或背压等条件在应用中是否至关重要？ 根据流速选择泵系列。 Masterflex Ismatec®0.002 至 37 mL/min Masterflex L/S®0.0006 至 3400 mL/min Masterflex I/P®0.012 至 13 LPM Masterflex B/T®0.3 至 45 LPM 选择适合您的应用的组件。 I/P 和 L/S 泵系统分为三类：泵头、泵管和...

Masterflex 管式泵系统常见问答 Masterflex 管式泵如何运行？ 流速 可以达到多大流速？ 流量精度如何？ 测量体积是否可重现？ 流体粘度对流量有什么影响？ 泵头 最大允许压力是多少？ 最大入口压力是多少？ 最大吸程是多少？ 需要止回阀吗？ Masterflex 泵支持干转吗？ Masterflex 泵是自吸泵吗？ Masterflex 泵是容积式泵吗？ Masterflex 泵是非虹吸泵？ 可以泵送泥浆或磨耗性溶液吗？ 为什么会有如此之多的泵头和泵管尺寸？ 流动可逆吗？ ...

减少蠕动泵系统中的脉动 Some applications for persistaltic pumps. especially in the laboratory are sensitive to pulsating fluid flow. A number of steps can be taken to reduce the pulsating effect. Introduction to Pump Pulsation Figure 1 As fluid enters the he...

Masterflex 泵确保精确、可重现、灵活的药品生产 Gregg E. Johnson Sr. Global Product Manager Masterflex Bioprocessing USA. Besides requiring precise liquid metering dosing and transfer virtually all pharmaceutical and biotechnology research development and production...

Get more insightful results with complementary technologies - automated imaging and flow cytometry Webinar Thursday 16th July 2020 15:00 to 16:00 CEST (Berlin Paris Madrid) Replay Email Alerts Free Registration Chat Area Certificate of attendance ...

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...

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...

实验室设备 When installing or refurbshing your new laboratory you will also need peripheral equipment such as dishwashers water purification systems vacuum systems laminar flow... etc When planned in advance you can easily integrate them into the desig...

pH/mV和Ion测量仪 带有电极阵列，缓冲和配件的测量仪系列产品（台式和便携式）让您觉得物超所值。 产品 pH/Ion Meters Range of meters for use in the lab from basic models to sophisticated programmable GLP models.... Electrodes Glass or plastic bodies single or double junction built-in sensor reco...

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...

医疗实验室仪器&设备 Some of the key products that you would expect to find in a clinical laboratory environment. 产品 Chart Recorders Paper chart recorders from 1 to 7 days disposable recorders for 10 days and 40 days... Chloride Meter: Coulometric Titrators...

教育展览：跟随 Ismatec® 泵的发展道路 Masterflex Ismatec pump featured at the Museum of Science & Industry in Chicago Photos: J.B. Spector / Museum of Science Industry. Exploring the heart is a compelling venture. For those touring the “YOU! The Experience” exh...

化学品和试剂 VWR化学品根据您的应用按照等级优化，所有产品参数详细并且质量可靠。如需申请VWR化学品目录，请点击下面按钮。 Chemical Innovations Literature MSDS Certificates Solvents Our different solvent grades are optimised to your applications. Inorganic Reagents High quality inorganic reagents including...