4 Questions 13 Answers 0 Followers
Questions related from Benedikt Engel
Hello, I have a question to the IUPAC nomenclature of heterocyclic compounds. Usually hydrogen atoms in the ring system not attached to atoms connected by double bonds are denoted as indicated...
04 November 2020 3,451 3 View
Has anyone experience in standards or standard mixtures for HPLC with UV detection for performing performance qualification tests? I am searching for e.g. a mixture of 2-3 compounds that is...
13 January 2020 675 4 View
I would like to perform methanolysis of proteins to get the monosaccharide building blocks. After methanolysis the monosaccharides are present as methyl glucosides - how can I analyze them by...
14 February 2019 9,700 1 View
We have problems with analyzing cortisol by GCMS. After performing a 2 step derivatization (methoximation and silylation) with methoxyamine hydrochloride and MSTFA, we do not see peaks in the...
15 December 2017 1,767 10 View
