what is concentration of oxygen in U.H.P. grade N2 cylinder
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give tha clarity about peak purity concept
3 Answers Aurobindo, Reliance Life Sciences,
I got 88.0 % assay for a drug in HPLC analysis for same injection i got 40.0% related substances is it possible? what is the relation between results of assay and purity?
why we calibrate ph meter and balance daily.....but hplc and uv requires quaterly?
What is importance of pH in the Heavy metal test and How it effect on the test results?
India is. Under which zone as per QF1.?
4 Answers Acebright, Aurobindo, Gland Pharma,
What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?
what is range of Vivible UV ? What is UV& Vivible spctroscopy use for ?
How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?
What is Isotope tracer technique?
1 Answers LAP, MAHINDRA, MPSC, PSI Data Systems, WNS,
In specificity what parametrs are consider why that parametrs
What is quality controle.
WHEN AN UN KNOWN SAMPLE IS GIVEN TO U,HOW WILL U START THE ANALYSIS(ie FIRST WHICH TEST TO BE DONE,NEXT,THEN NEXT),HOW WILL U DECIDE WHICH TYPE OF ANALYSIS TO BE DONE FOR IT?
Organic Chemistry 
