Answer Posted / rahul

we have to take OOT after that further investigation.is it required S2 criteria or not.

Principle of single pan analytical balance

5130

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How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

2568

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In Dissolution Test why limit is define Q+5% what is the role of +5%.

3083

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What is the difference between purge septum flow and column flow in gas chromatography?

2557

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in which situation ion pair agent require to use?

718

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Colorimtry

1641

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If combination product how require to identify which imp is of which api?

824

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if you get peak in blank then what require to do?

951

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What is viod volume and peak purity in HPLC?

2860

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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...

1669

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in dissolution why pool sample needed? in which type of drug pool sample need?

3165

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how we can identify the impurity is coming below loq at transfering site?

849

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

2149

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In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?

1959

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What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio

1889

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