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In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
3226Why Urasil and Caffeine use for HPLC wavelength accuracy calibration. which is most suitable, Why? other than these which can be used?
7 19716When we r doing processing method for sst in Empower software by HPLC, What value has to give in void volume and as per which pharmacopia!
5 15480is a bonded water molecule in an organic material can be easlisy and accuractly determined by KF rather than LOD
2 7888What will be the effect on HPLC analysis result if three mobile phases given separately through three valves and same proportion mixed together and given by one valve?
LOIL,
1 5352Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
2914mixed 1.0 ml of methanol and 1.0 ml of toluene and injected in gas chromatography.will you prove that both solvents are in the ratio 1:1(not by area normalization)
1 3865Post New Analytical Chemistry Questions
which are the diffrent batches in the pharmaceuticals?
Why use only methanol,used determinationof moisture content not use other solvents
what is %labelled amount in content uniformity of dosage unit and its calculation?
WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?
I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?
Which parameters require to do in tech transfer?
why require to add enzymes in capsules dissolution only? is it require to tablet also?
in which situation require to use paddle and basket?
What is mean by PDR?
function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?
Is it nessesary all multimedia dissolution require descriminatory?
Basic principle of ESI?
how you start the solubility study?
in hplc chromatogram started from left to right and in uv spectrum started from left to right
What is the difference between purge septum flow and column flow in gas chromatography?
