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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 11094How 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.
2309what is the use of tap density apparatus? why we calculate it? what is the difference between the bulk density and tap density?
1 5236why 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 4619For all impurities characterization data is required ? If Require please Explain which type of Impurities we have to do?
1 3917One Raw material failed assay test is there any chance for failing purity of that material ?
7 14165
Explain how do you separate the colors of ink?
Define an isomer?
How many moles of sodium hydrogen phosphate can be prepared from 3 mol of sodium hydroxide and phosphoric acid?
USP methodology, EP methodology, IP methodology, among three if possible to use one methodology for qualify working standard to use USP, EP, IP ? Please explain...
What is the reaction that occurring between fas and potassium dichromate?
What forms the basis for colorimetric determination?
As a chemist working with Protactinium, what safety measures and precautions would you take due to its radioactivity?
Why ph scale range is 14? Why it is not less or not greater than 14? Solution of hcl or hydrogen containing liquid has a ph. But if the solution is kmno4 here nothydrogen power does it ph?
Arrange the following in their increasing polarity order Carboxylic acid, hydroxyl, phenyl, amino and aldehyde
In which situation we require to prepare the standard solution from sample in Related substance method?
What are the differences between chemical and electrochemical corrosion? : Electrochemistry Corrosion
Why do we use vaccum in Loss on drying test?
Why dissolution test is not performed in all of the products
Define electro plating and electroless plating? : Electrochemistry Corrosion
Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
