Answer Posted / nisha (college student)

primary std thats stdrd solution can be prepare but secondry thats stdnrd solution can not be prepared

eg. acetic acid is primary std but sulfuric acid is secondry

Which parameter require to do for analytical method equivalency?

776

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WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2607

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in which situation ion pair require to use?

821

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What is delay volume?

1393

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in which situation require to use paddle and basket?

737

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What is the principle of Thermal conductivity detector and FID?

2731

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in hplc chromatogram started from left to right and in uv spectrum started from left to right

950

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How do we fix the sample concentaryion in hplc method development?

1140

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Why six unit used for precision?

1351

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How to set analyticl specification for combination products?

744

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why holium oxide prepared in 10% HCLO4 SOLUTION

1462

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why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space

2268

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How to decide assay range for non pharmacopeial API analysis by HPLC? Could you give me any reference for same e.g Guidelines or Paper publications?

3354

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why does used dry caffien in HPLC calibration?

2032

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what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means

1972

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