Apr 14, 2011 · Importance of filtration in sample prep. Filtering a sample is important for many reasons, foremost among which are clearer chromatographs and cleaner HPLC columns. “For HPLC sample prep, the most important thing is particle-free samples,” says Joshi. “That’s why filtration is a key sample-prep step prior to chromatography.
150ul Insert with mandrel interior and polymer feet, suits for ND8 Vials 250ul Insert with mandrel interior and polymer feet, suits for ND9 Vials IPB250-P IPB250-P 250ul Plastic Insert with mandrel interior and polymer feet,suits for ND9 Vials 250ul Micro-Insert, clear glass, flat bottom, suits for ND8 Vials 300ul Micro-Insert, clear glass
Hello Agnes, we use acetonitrile and water (with modifier 0.1% TFA or 0.1% NH3) as solvents. Our samples are diluted with a mixture of acetonitrile / water (50/50).
Micro-Insert, 31*6mm Clear, Flat Bottom, Suits for 11mm Crimp-Top Vials: 250uL Conical Micro-Insert, 31*5.7mm, Suits for 11mm Crimp-Top Vials: 250uL Micro-Insert with Mandrel Interior, & Polymer Feet, 29*5.7mm, Suits for 11mm Crimp-Top Vials: 0.3mL Clear PP Crimp-Top Micro-Vial, 11.6*32mm
Conical Inserts with Polymer Feet. Unit Part No. 250 µL glass inserts with polymer feet and mandrel interior 100/pk * 250 µL deactivated glass inserts with polymer feet and mandrel interior 100/pk . 250 µL polypropylene inserts with polymer feet. Conical Glass Inserts. 100/pk . 250 µL pulled-point glass inserts
The polymer feet act as a shock absorber. This allows all of the sample to be withdrawn. These inserts are self-aligning and stand straight. . Description 100 L glass inserts with polymer feet and mandrel interior 100 L deactivated glass inserts with polymer feet and mandrel interior 100 L polypropylene inserts with polymer feet
150 ul Micro-Insert With Mandrel Interior & Polymer Feet 29.5*4.8mm Chromatography Consumables Sits For Shimadzu Vial 100/PK US $19.21 / lot 100 pieces / lot
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May 23, 2011 · polymer when exposed to sterilization processes, eg heat and gamma radiation. Gel permeation chromatography is an ideal technique for the determination of polymer molecular weight distribution. The eluent selected should fully solvate the polymer while minimizing non-size exclusion effects, mainly adsorption, which would undermine reliable
China 1.5ml 9mm Vial Screw Neck Vial ND9 Micro-Insert IP250/IP250-I, Find details about China 9mm Vial, HPLC Vial from 1.5ml 9mm Vial Screw Neck Vial ND9 Micro-Insert IP250/IP250-I - Zhejiang Aijiren Technology, Inc.
If you are looking for micro-inserts for your chromatography vials, we supply them in conical bottom, flat bottom, with Mandrel Interior's and Polymer Feet forms. They are also designed to fit several sizes of chromatography vials such as ND8, ND9, and 8-425 threaded vials.
Recommended for HPLC usage. A handy and inexpensive vial/closure combination for uncritical analyses. Caps are made of high quality polypropylene to exact manufacturing tolerances and lined in a controlled manufacturing environment. KR150 - 150µl insert with mandrel interior & polymer feet. Suits for ND8 Vials. KR250 - 250µl with mandrel
High Performance Liquid Chromatography, or HPLC, is the most common analytical separation tool and is used in many aspects of drug manufacture and research. HPLC is used for: 1. Qualitative and quantitative analysis of unknown mixtures – determining what is there, and how much. 2. Separation of mixtures for later analysis –preparative HPLC.
In this month’s Tech News section, we highlight exhibitors for two tradeshows—INTERPHEX 2014, which takes place March 18-19 in New York City and the 105th Annual Meeting of the American Association for Cancer Research (AACR), which will be held April 5-9, 2014, in San Diego, California.
US20020139752A1 US10/113,599 US11359902A US2002139752A1 US 20020139752 A1 US20020139752 A1 US 20020139752A1 US 11359902 A US11359902 A US 11359902A US 2002139752 A1 US2002139752 A