Answer Posted / srinivas

10000 ppm

For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?

4048

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what is diffrence between specificity and selecivity?

746

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how the compound separate in coulunm,explain

2507

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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

1849

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pharma industries oriented

2212

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how much mass should be there in volumetric flask while in preparation of sample for assay? 

2554

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in gas chromatography what is the difference between gas flow rate and average linear velocity ?

2578

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How they found 1mL of K.F reagent is equivalent to 5mg of water and if we change the composition of K.F reagent, is it can neutralize more amount of water?

1755

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

1452

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how you start RS method development when for new product?

701

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Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

2854

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

1119

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in stress study if your api not soluble in hcl naoh h2o2 then what require to do?

820

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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

6046

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In IR spectra, generally a molecule vibrates without apply emr or ir light?

1961

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