Answer Posted / chandra sekhar

Non polar compounds having low dielectric
constant .according to the above list

Tetrahydrofuran

how require to set assay concentration for standard and sample?

861

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which batch require to use for analytical method validation?

745

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sop of a uv visible spectrophotometer double beam elico model

5859

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What is similarity factor?

1145

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How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?

683

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Why only 1.2 million lux hours require in photostability study?

959

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

786

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For titration in anhydrous media with perchloric acide, if lack of titrator, Which indicator is been used for replacement. How calculate pH of test solution to choose suitable indicator?

2262

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what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?

832

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mode of absorption in alimentary canal?

2337

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if rsd failed then what require to do?

760

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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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Many times I don't got a caffeine peak in calibration of hplc using guard column ❓

1742

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How would you decide dissolution medium for NCE compound of class I drug

2191

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CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?

1148

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