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Organic Chemistry (342) - Inorganic Chemistry (123)
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what is the results if we use ODScolumn instead of BDS column ,(ther parameter is same for column) in assay method ?
3 10990How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
2278what is the use of tap density apparatus? why we calculate it? what is the difference between the bulk density and tap density?
1 5162why we want incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ? What is the use to incorporate area of each solution of Intermediate precision and repeatability as well as Accuracy ?
1 4541For all impurities characterization data is required ? If Require please Explain which type of Impurities we have to do?
1 3861One Raw material failed assay test is there any chance for failing purity of that material ?
7 13948
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.
What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?
why is mgcl used in edta titration
Explain the difference between the law of multiple proportions and the law of definite proportions?
hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.but our company didn't give d OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents along with sample RESUME,pls send 2 my mail id i.e ramanareddy.sdpl@ymail.com
Define alum?
What is stepping ripple and step accuracy
How to find peaks in ftir chromatography
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
what is the extinction coefficient for Indomethacin or at 319nm wave length.
What is german silver?
Which one of the following is not aromatic?
What is molality?
What is the accepted microbial load in APIs as per USP.........?
what is mean by nitrosamine impurities?
