Answer Posted / chandu 4m apex

lc for seperation of the analyte, ms for to confirm analyte by their molecular weight.

In performance Check of GC Why Hexadecane Peak is Considered 

2987

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identification is for unknown? qualification for known? reporting for LOQ?

665

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Is it nessesary all multimedia dissolution require descriminatory?

740

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How can we calculate offset value pH measurment

1463

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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?

8807

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Why do we use KMnO4 in the test of control of obsorbance ? and why do we take specific quantity i.e 57-63mg?

2776

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How to choose the which salt is suitable for mobilephase

3175

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WHY pKa value is more important than pH value of the mobile phase in HPLC?

1713

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How do we fix the sample concentaryion in hplc method development. What is the basis?

1141

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for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol

5990

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Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

1417

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i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me

2670

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analytical method validation require to with respect to release specification or shelf life specification?

733

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function of detecter in hplc ,gc and spectroscopy? function of carrier gas in gc?

2609

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why we are using hexane in calibration of number of drop per mL

1663

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