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What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
834How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?
739if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?
686in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?
760Post New Analytical Chemistry Questions
Loss of linearity in tkn analysis, possible reasons?
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
How would you decide dissolution medium for NCE compound of class I drug
Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?
What is split ratio in Gc? Splitless? how requirr to select?
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
what is the origin to prepare standard operating procedure
What is the difference between purge septum flow and column flow in gas chromatography?
how we can identify the impurity is coming below loq at transfering site?
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means
how the compound separate in coulunm,explain
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
Identify problem faced when mass spectroscopy is used with HPLC system ?
Which are the diffrent grades of api in pharma?
