What is the diference between residual solvents and organic volatile matter

0 Answers   RA Chem Pharma,

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When recording an IR spectrum in the lab, we take no special precautions to account for the presence of oxygen, nitrogen, or argon in the air. What are the consequences of this?

1 Answers  

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in which situation require to change rs specification?

0 Answers  

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Basic principle of ESI?

0 Answers   Cipla, GVK,

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what is the maximum flow rate in prep hplc

1 Answers   Meril Life Science,

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why SGF media used for dissolution . What is the use of it .can we use other media of lower pH instead ot this?

1 Answers  

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Why base line not start from zero in GC Chromatography analysis.

1 Answers   Orchid,

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why we use pyridine to determine moisture content of acetonel

2 Answers   Lee Pharma,

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how can we determine RRF value in HPLC FOR CALCULATION OF IMPURITY ?

4 Answers   Macleods,

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what is the limit for KF Factor ,we take factor using water we will found factor between 6 to 7 ,while on KF Reagent bottle mentioned 5 mg/ml water content.if we not use dried methanol it is effect on factor.

1 Answers   Atul,

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why does used dry caffien in HPLC calibration?

0 Answers   Dishman,

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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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