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what is the results if we use ODScolumn instead of BDS column ,(ther parameter is same for column) in assay method ?
3 11230How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
2359what is the use of tap density apparatus? why we calculate it? what is the difference between the bulk density and tap density?
1 5325why we want incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ? What is the use to incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ?
1 4725Post New Analytical Chemistry Questions
In which situation we require to analytical method validation of excipient?
what is difference between UV - VISIBLE MODEL NO like 1600,1601,1700 etc ? plz explain me
Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc
Difference between hlaf and rlaf
what is the procedure for cleaning of lenses of hatr accesory of ftir instrument?
How to determine water content of bis tetrazole amine mono ammonium salt
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?
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
What is the requirement for brazil in the analytical method vslidation comparr to ich?
What is the difference between spectro meter and spectro photo meter?
My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards
why should we perform dissolution PVT calibration only by UV spectrometer, not by HPLC ?
why xterra column require to use at higher ph?
what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?
Loss of linearity in tkn analysis, possible reasons?
