Answer Posted / ananth

Primary standard :
Primary standards are the materials having high purity
values under specified conditions which can be used to
standardise the volumetric solutions.This primary stadards
also used to prepare the solutions which are necessay for
the calibration of analytical instruments.


Secondary standards:
Generally volumetric solutions are
known as secondary standards

give clarity of linearity and range in method validation

2475

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Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

3024

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WHY given much noise PDA dector then VWD Dector

2145

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what is mean by nitrosamine impurities?

1117

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how will you do the prep for unstable componds?

2068

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how many types of balance calibration test?

2356

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How to calibration of the uv spectroscopy and its test?

1242

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

1045

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How to do regeneration of Metacarb Pb plus column?

2610

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What is the use of tlc and hplc? And when and where use?

1211

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[3/30, 13:29] Manoj P Venkatpurwar: How hplc column selection according to structure? How mobile phase buffer selection on molecule structure?

849

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What is rs test why we are performing rs test?

1907

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For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?

2356

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all types of questions asked at the cipla interview

4719

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why holium oxide prepared in 10% HCLO4 SOLUTION

1497

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