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Questions related from Salma Salman
regular ticking sound from GCMS foreline oil pump, the sound incrase during injection
10 October 2017 9,593 2 View
i need to general methodolgies
01 January 2016 3,683 3 View
what's the function of inlet in GCMS , and what's the advantages of Multi mode inlet over other types ?
07 July 2014 9,124 1 View
What is the most preferred solvent for dissolving a sample prior to injection on GC/MSD especially for pesticide analysis?
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02 February 2014 9,264 8 View
If I have the choice between 2 amino columns for carbohydrate analysis: Luna amino column from phenomenex and Pinnacle from restek which one should I choose?
11 November 2013 3,415 6 View
Does anyone have experience with amino acid determination of amino acids by GC-MS using a EZ-Fast kit and its advantage over an amino acid analyzer.
09 September 2013 4,605 4 View
I need a standard method for the determination of citric acid, malic acid and lactic acid in antiseptics (detergents) by HPLC
02 February 2013 6,681 7 View
Looking for a method to do this.
12 December 2012 7,067 8 View
does any one use rezex column for carbohydrate analysis by HPLC?
10 October 2012 9,994 0 View
Does any one use rezex column for carbohydrates which is an ion exchange column? Is it more accurate than amino column for sugar analysis?
10 October 2012 6,225 13 View
Can you recommend a method for preparation in order to quantitatively determine vitamin B6, 3,12 in pharmaceutical multivitamin ampules by HPLC?
07 July 2012 7,552 7 View
Does anyone have a method for the determination of hypercin and hyperforin by HPLC?
06 June 2012 9,079 11 View
Can anyone suggest a method for determination of sugars (glucose, fructose, maltose, sucrose, mannose) by using RP-HPLC?
05 May 2012 7,087 14 View
I am working with hexane as mobile phase, UV detector, column c18 at 15C. I got alot of spike air bubbles and i can't get rid of them.
04 April 2012 5,128 14 View
Method for sugar extraction from juice for HPLC analysis.
02 February 2012 1,457 6 View