Answer Posted / shailesh

As per usp

if peak get problamatic then what require to do?

801

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Why irmoisture balance is used for corrugated box moisture testing

2404

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If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?

771

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we are performed SOR for a particular product the limit is -6 to -10.We face particular bathes it is not meeting the specification.we performed diffrent instrument diffrent analyst we are getting diffrent diffrent results.solvent is dimethyl sulfoxide what could be the reasion

1870

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if your impurity coeluting with each other in that situation how require to set specification? is it acceptable?

977

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Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

2184

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What is column in chromatography?

2235

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2. Two grams of Benzoic acid are dissolved in 200 ml of water and extracted with 200 ml of diethyl ether. The distribution coefficient of benzoic acid is 100, and its dissociation constant is 6.5 10-5. Calculate the distribution ratio (D) of benzoic acid at pH 2, 5, and 6. 3. Calculate D at pH 2 to 10 (1 unit apart) in the above problem, and plot D versus pH.

2224

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Please give idea about method development for cleaning method and how maco level establish

748

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What is dose dumping? why require to do?

948

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from where i get mortar pastle for glass bottle crush? it's required for testing of it?

2263

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what is mean by dissolution biowaiver study?

932

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

1106

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In which situation we require to analytical method validation of excipient?

788

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in stress study if your api not soluble in hcl naoh h2o2 then what require to do?

836

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