does any one use rezex column for carbohydrate analysis by HPLC?
regular ticking sound from GCMS foreline oil pump, the sound incrase during injection
09 October 2017 9,526 2 View
31 December 2015 3,625 3 View
06 July 2014 4,819 29 View
what's the function of inlet in GCMS , and what's the advantages of Multi mode inlet over other types ?
06 July 2014 9,020 1 View
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01 February 2014 9,191 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?
10 November 2013 3,337 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.
08 September 2013 4,547 4 View
I need a standard method for the determination of citric acid, malic acid and lactic acid in antiseptics (detergents) by HPLC
01 February 2013 6,569 7 View
Looking for a method to do this.
11 December 2012 7,014 8 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?
09 October 2012 6,167 13 View
03 March 2021 8,272 1 View
I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...
03 March 2021 4,116 4 View
I am using a 2707 waters HPLC device. When I try to inject a sample, it says missing plate or rack. I changed the needle and calibrated its position but I still get the same problem. I even get...
02 March 2021 1,408 1 View
(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...
02 March 2021 3,309 2 View
Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...
01 March 2021 2,215 2 View
I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...
01 March 2021 8,544 1 View
I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...
01 March 2021 9,701 5 View
Hi, I am running a size exclusion chromatography experiment with a buffer containing Potassium Acetate as a salt. I analyse these fractions through SDS-PAGE. After boiling my SEC fractions in...
01 March 2021 2,622 3 View
I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...
28 February 2021 6,477 1 View
Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.
28 February 2021 3,640 3 View