Answer Posted / nandkishor

The method is based on stoichiometric reaction between water
and a solution of sulfur dioxide and iodine in pyridine(or
any other base)and methanol the end point is detected
electrometrically

if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?

1049

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In rs method development when we are going area normalization method to dilute standard method?

1567

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How can the GC or HPLC method is selected to determine the impurity profile in drug product?

7676

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How to determine water content of bis tetrazole amine mono ammonium salt

3530

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What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

887

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Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

2231

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Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18

1973

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What is viod volume and peak purity in HPLC?

2936

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what is mean by covalidation

833

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we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1921

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

1796

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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

2783

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how to set sample and standard concentration in RS method?

968

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A ha tc is actual defination of retention time?

1664

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1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

1900

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