Answer Posted / nitishtyagi

Plz all asns  correct ....

0.02ml in 100 ml

why we are using benzene, anyline in acetic anhdride assay titration method?

2167

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which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc

2211

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How will u perform degradation study in detectors other thann PDA in HPLC Methodology

2597

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I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?

3576

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inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?

771

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what is mean by ambient temperature?

973

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what is biorelivent dissolution media?

857

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Which is the highly polar and highly non polar column in HPLC?

2344

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1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer

1900

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Why only 1.2 million lux hours require in photostability study?

1098

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in which situation ion pair require to use?

876

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What is diffrence between extractable volume and deliverable volume? Answer pls

4615

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why xterra column require to use at higher ph?

966

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Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

1750

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How can we calculate offset value pH measurment

1555

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