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MZ-Analysentechnik, Germany is your competent manufacturer of HPLC- and GPC-columns made in Germany and your independent supplier of world leading chromatography brands since 1986. Our strong labels PerfectSil, PerfectBond, Orbit, MZ-Gel SDplus and many more are produced under high quality standar more
Waters Corporation is a global leader in liquid chromatography (UPLC/HPLC), mass spectrometry (MS), rheology and thermal analysis. The business areas range from research & development, the manufacture and sale of analytical instruments, laboratory software products, column and sample preparation pro more
PSS Polymer Standards Service GmbH is the specialist in the field of chromatographic analysis of macromolecules. The range of products and services includes all components required for comprehensive GPC/SEC, Interaction Polymer Chromatography (IPC) and 2D analysis of synthetic and natural macromolec more
Molecules, Vol. 22, Pages 1214: Molecular Weights of Bovine and Porcine Heparin Samples: Comparison of Chromatographic Methods and Results of a Collaborative Survey Molecules doi: 10.3390/molecules22071214 Authors: Sabrina Bertini Giulia Risi Marco Guerrini Kevin Carrick Anita Szaje more
α-Cyclodextrin (αCD) was threaded onto 10 kDa poly(ethylene glycol) (PEG), which was then stoppered with bulky end groups (4-methoxynaphthyl or 9-anthracenylmethyl) to give polyrotaxanes containing about 38 αCD rings threaded onto a PEG backbone. The polyrotaxanes were converted into soluble macroin more
A method using gel permeation chromatography (GPC) combined with solid-phase extraction (SPE) cleanup followed by gas chromatography–mass spectrometry (GC-MS) has been established for quantitative determination of 69 pesticide residues in coffee. Based on an appraisal of the characteristics of GC-MS more
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