Aouatif Benali

5 Questions 4 Answers 0 Followers

Questions related from Aouatif Benali

What are the causes for the non detection of Fatty acids peaks on a Rtxi 5MS column?

Dear scientific community, We used to performe many separations and detections on our GC MS (Perkin elmer Clarus 580-SQ8S), but recently we can not separate fatty acids( few ones appears in...

07 June 2024 6,793 0 View

What is the alternative for Methoxamine in pyridine?

Dear scientific community we would like to know if there is any alternative for methoxamine in pyridine for GC MS derivatisations? regards

19 November 2023 6,346 0 View

What is the main cause of the formation of dodecanamides instead of methyl esters?

Hello all, We have perfomed a methylation either by using KOH-methanol transesterification or by using BF3 as catalyst , after injection using GC MS of the hexanoic phase we have fatty acids...

05 January 2023 3,275 1 View

How to purify amino acid hydrolysis extract for HPLC analysis?

Dear scientific community. In order to analyze the amino acid profil of proteic matrices we need a purification after the hydrolysis of our sample. We intend to use the Dowex 50WX8 hydrogen...

29 April 2021 9,994 5 View

How can we purify polyphenols from an extract without using SPE ?

Hello scientific community, Can you help me to know if there is another non expensive method for the purification of polyphenols other the SPE column? Many thanhs in advance!

28 December 2018 6,988 4 View