Answer Posted / natraj kumar

ALL API's ARE SOLUBLE IN METHANOL,LOWEST COST AND WATER
CONTENT IS ALSO LESS.

is it nessesary to do solution stability for 7 days?

314

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if your product is soluble in 0.1n hcl and water then which you choose as media from these 2 media?

272

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analytical method validation require to with respect to release specification or shelf life specification?

276

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A ha tc is actual defination of retention time?

1059

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How can I develope method of dissolution by HPLC OR UV

1891

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How to set specification of assay, fisdolution and related substances?

358

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in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?

328

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Which parameters require to do in tech transfer?

270

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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?

263

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Why Ethanol is Used for Standardization of GC Head space?

3716

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how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.

1833

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what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?

3102

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What is related substance by HPLC impurity limits as per USP?

553

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what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?

1517

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WHY given much noise PDA dector then VWD Dector

1496

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