Answer Posted / dr.praveen choubey

by HPLC LOD @ LOQ calculated by S/N ratio that is the best
method.LOD s/N NLT 3 and LOQ S/N NLT 10 and also calculated
by visual evalution.

how to qualify the impurity?

867

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What is the requirement for brazil in the analytical method vslidation comparr to ich?

778

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What is aggregate and fragments in SEC?

2111

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What is third generation HPLC Columns?

1981

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why we use glass fiber filters use in some situation?

798

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How to calculate coreletion coefficient

1713

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

975

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what is mean by nitrosamine impurities?

1061

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What is stray light in uv what are units for stray light

1649

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What is importance of pH in the Heavy metal test and How it effect on the test results?

2283

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what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

886

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is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth

2168

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

791

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why holium oxide prepared in 10% HCLO4 SOLUTION

1458

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How to do regeneration of Metacarb Pb plus column?

2579

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