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which effect is mainly responsible for chromatographic separation when silica is the statinary phase at TLC? thanks in advance
1 3803what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
1976Why we are having specification 100% above in case of assay as there is only 100% of compound?
2 5913While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
2792which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
2121what is the concept for adjustment of pH in HPLC buffer solution ? a. Common ion effect b. Counter ion effect and explain me, how we adapt this principles & what is the role of these principles in our method
1 3396Post New Analytical Chemistry Questions
what is the purge flow & how to calculate
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 one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
how require to interprit the method precision data of hptlc?
What is column in chromatography?
what are the standard methods for HPLC?
[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?
Why dissolution test is not performed in all of the products
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
what is mean by dissolution biowaiver study?
What is control room temperature and which guide line says?
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol
which batch require to use for analytical method validation?
What is the diference between residual solvents and organic volatile matter
