how require to calculate mass balance in related sub?

1 Answers  

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how can I make the copper get white bye any salt or acit?

0 Answers  

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how would you determine the acceptance criteria for cleaning validationof product A for product B?

1 Answers   Cipla, Cypher Solutions, Torrent Power,

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why you require QA approval & what is its importance?

2 Answers  

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How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.

3 Answers  

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I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?

0 Answers  

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what are peak purity,peak purity index,peak thresold

2 Answers  

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if content uniformity passing but dissolution varrying then what is next step?

0 Answers  

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

0 Answers  

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Can you please give a suitable definition and an example for understanding the words purity and potency.

6 Answers   Cipla, Malladi Drugs and Pharmaceuticals, Reddy Labs,

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how to regulate noise in HPLC?

2 Answers   Alkem Labs, Vimta Labs,

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when we use pda detector in hplc instead of uv detector

6 Answers   Hetero,

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