Medhat Emad

5 Questions 17 Answers 0 Followers

Questions related from Medhat Emad

Can any one help me with an hplc UV method for determination of D-Sorbitol?

I am looking for a method to determine D-Sorbitol using hplc UV detector.any one can help

29 May 2018 4,654 6 View

How can I determine the shelf life (expiry date) of prepared volumetric solutions?

When I prepare a volumetric standard solution, I want to determine its expiry date by taking in consideration that it is not mentioned in any reference. And if possible I need a protocol for it.

26 April 2014 996 3 View

How to restore my column performance?

My column is Pico-Tag Column, 60Å, 4 µm, 3.9 mm X 150 mm used technique for HPLC amino acid analysis. Used in PicoTag® Amino Acid Analysis of Protein Hydrolysates.

28 January 2014 8,902 1 View

How to couple sulfathiazole with chloroacetonitril?

What should I do to have success coupling? Should I be using HCL / NaNO2 or is there another, better method?

02 November 2013 9,808 9 View

What is the official method for analysis of free amino acids by HPLC(WATERS)?

I need to know if this method is the official for analysis or not?

20 October 2013 2,456 4 View