Answer Posted / r.sanjeeverayan

residue on ignition means the residue that left over on
ignition , the residue may be of any kind i.e sulphate, or
TiO2 or some other metal contamination.

Sulphated ash means the ash should be of the sulphate
counterpart

In HPLC Calibration, On which basis RSD Limit of noise test is fixed (NMT 33.0 % )

3486

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why lactose has less charges when packed in steel containers when compared with packing of lactose in polyamide material?

2308

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mode of absorption in alimentary canal?

2396

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If we have 5 strength which is not dose proportinate and excipients also diffrent in each strength then how we can proceed for Force degradation? and excipient are same but not dose propotinate the how FD?

810

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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?

4085

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if peak get problamatic then what require to do?

807

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

2165

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If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?

778

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IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?

2468

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how to calibrate hplc & gc

4517

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

3184

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Why potassium dichromate is used in calibration of uv?

1993

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if you have given a blank water how you analyse by general analytical techniques?

2037

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effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?

936

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in which situation ion pair require to use?

830

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