Answer Posted / amar

It is given by depends on water dissociation constant.Water dissociation constant is Max 14 no solution is dissociat more than that so based on that it was in the range of 1-14

What is the purpose of octyl silane columns?

4336

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how to selecet an exact coloumn for an new molecule development by hplc how to select exact salt as buffer for new molecule development by hplc what is the the process to select the mode of saparation of compoundes by hplc what is the use of ph of buffer what is use of buffer,ph,organic phase,ans methods how the molecules get saparated in coloumn,

2651

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Why Ethanol is Used for Standardization of GC Head space?

4265

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how require to set assay concentration for standard and sample?

972

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WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?

2624

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before starting analytical method valodation what you checking? and how giving preference to start validation?

859

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if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

735

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what is %labelled amount in content uniformity of dosage unit and its calculation?

5300

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on saturation solubility study data how we can find out the bcs class of drug?

956

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What is shaking level in GC?

833

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

2664

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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

1919

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What is the diffrence in japan mkt requirement in analytical method validation over US?

770

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what type of question will ask in the interview of lab chemist.

3362

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What are the primary considerations in extractables and Leachables ?

2317

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