Answer / padmarao_attili

589.3 nm

Answer / muvva

589.8

I have 1 gram of Diphenylamine and want to make a 10,000 or 1000 ppm solution in methanol. How do I make this?

9 Answers   Midas Technologies,

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In pharmacopeal solibility parameter of a material, is et essential to test all paramete? If 70-75% parameter passes can we assess that the material is satisfactory or not?

1 Answers   Aurobindo,

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What is the reason for negative peak in HPLC while using UV detector.

2 Answers  

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what is the effect of injection volume calculate flow rate in perkin elmer headspace? (ccm parameter in HS)

1 Answers  

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

0 Answers  

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Why we use buffers Acetate for pH 4.5 & phosphate for 6.8 and not vice-versa?

1 Answers   Zydus Cadila,

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why holmium perchloate solution in Uv calibration

2 Answers   Alembic,

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If mass balance is not passing in forced degradation in method validation that method is suitable or not?

1 Answers   Aurobindo, Dr Reddys, Reddy Labs, Wockhardt,

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One pH means how much volts and milivolts?

7 Answers   Dr Reddys,

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in what basis wavelength will select for a compound at initial method development trials

4 Answers   Matrix,

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what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?

0 Answers   Neuland,

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What is the limit of minimum area in in hplc RS anlysis

1 Answers   Lupin,

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