Answer Posted / minoo

as i know, we should measure the assay against refrence standards at least two times. in different days by different instruments. then we should calculate linearity and validity , if they are ok we can use the tested material as working standard.

in which situation require to change rs specification?

758

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What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.

2696

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

821

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Why sometime potassium ortho phosphate mix with acetone use for sample preparation for hplc

1475

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What is the accrptance criteria in RSD for RS method precision on basis of impurity percentages?

834

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Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?

2968

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how to develop the icp ms method? Application of icp ms?

815

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4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations

2727

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What is dose dumping? why require to do?

958

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how to qualify the impurity?

880

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Why only Copper standard is used to calibrate Atomic Absorption spectrophotometer?

2735

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using gradient pressure in gas chromatography are not ?using gradient pressure why

3395

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inhouse product is in capsule form in combination and RLD is in tablet form then can we proceed for multimedia CDP? in inhouse capsule product disso is paddle with sinker in release media is there then RLD product in tablet form then with same as paddle with sinker we can proceed n.a.?

717

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

904

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why cone formation during dissolution?

794

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