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What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?
825How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?
734if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?
679in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?
752Post New Analytical Chemistry Questions
what is mean by nitrosamine impurities?
How to set analytical specification for combination products?
why we are using hexane in calibration of number of drop per mL
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
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
before starting analytical method valodation what you checking? and how giving preference to start validation?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
How do we fix the sample concentaryion in hplc method development?
How to set analyticl specification for combination products?
In performance Check of GC Why Hexadecane Peak is ConsideredÂ
What is split ratio in Gc? Splitless? how requirr to select?
Qc interview questions
WHAT IS THE USE OF STARTER ?????????
What if impurity area in control sample coming more as compared to LOQ level of impurity ?
Principle of single pan analytical balance
