Why pH lies between 0 to 14 only

4 Answers   PI Industries, Unimark Remedies,

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Why 1800 ml of dissolution media used In Carbamazepine ER USP Tablets But other drug only 900 ml Media Used ?

1 Answers   Torrent Pharma,

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How to calculate the maximum loaded sample concentration in HPLC column?

2 Answers  

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How to set analytical specification for combination products?

0 Answers  

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why we are used 4,7,9,2 buffers for the ph calibration

4 Answers   Aurobindo, Enaltec Labs,

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I want analyze my compound at 325 nm so which standard shall i use to calibrate my HPLC system? How i can assure my hplc detector is suitable or not?

3 Answers   AMRI,

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I got 88.0 % assay for a drug in HPLC analysis for same injection i got 40.0% related substances is it possible? what is the relation between results of assay and purity?

5 Answers  

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When we calculate Impurity against impurity std.solution and when we calculate impurity against diluted standard with applying RRF?

2 Answers   Torrent Pharma,

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How we fix the validity period of a Normal solution and re-standardization due date

3 Answers  

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why do we use around only 60 mg of K2cr2o7 in the UV calibration -control of absorbance test?

3 Answers   Reddy Labs,

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What is Standard deviation

2 Answers   Cipla,

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How to decide the standard concentration for related substances hplc method

1 Answers  

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