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some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?
WHY pKa value is more important than pH value of the mobile phase in HPLC?
for inorganic molecules require to do RS, Assay and disso?
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How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.
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As per ICH related substances stability trend limit from initial to shelf life
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why multimedia dissolution require to do?
process of Diclofenac sodium,IP.
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