Hicham Benhammouda

3 Questions 3 Answers 0 Followers

Questions related from Hicham Benhammouda

Why does HPLC seal wash solution level rise?

HPLC system been sitting for a long time no use, I performed a whole system flushing in accordance with manufacturer manual and refilled seal wash solution. However, I noticed that the level of...

02 November 2023 6,078 2 View

What statistical test to compare more than two independent samples?

I'm looking to compare three independent samples when both normality and homogeneity of variances assumptions are violated, I attempted to use kruskal-wallis test but I read that if homogeneity of...

23 February 2023 9,475 6 View

Can Ribitol be substituted by any other standard for LC MS analysis?

Hello, I'm attempting an LC-MS analysis for a plant methanolic extract for the sake of polyphenol and terpenes quantification. I'm following a protocol used by Nivea M. et al., (2019) in which...

16 April 2022 8,074 1 View