Answer Posted / babasaheb gilbile

Single Max limit 0.10 %

what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?

9926

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what is diffrence between specificity and selecivity?

715

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What is the principle of Thermal conductivity detector and FID?

2678

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some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

2597

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How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?

3818

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

2237

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what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?

1971

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in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

665

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what is partion and column chromatography

2300

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2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.

2170

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when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

1985

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Colorimtry

1617

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for which product require to do content uniformity? what is limit of cu?

743

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Why to use propyl paraben in HPLC gradient calibration

7319

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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?

848

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