Answer Posted / sagar
deuterated solvents used in NMR...Like
CDCl3, C6D6, CD3OD, D2O, CD2Cl2 etc..
| Is This Answer Correct ? | 9 Yes | 0 No |
Post New Answer View All Answers
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
what is the purge flow & how to calculate
Hi sir if any product monograph not given known impurities (may be 5 impurities) specifications then how we require to proceed for inhouse formulation?
Why a1% value is used for some product ? What is the criteria for selection a1% value ?
What should be the level/ Percentage of Arsenic in Arsenic free zinc.
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.
How can the GC or HPLC method is selected to determine the impurity profile in drug product?
Qc interview questions
Tell me something about Vitamin A test method by HPLC
how to get accurate result for Residue on evaporation in purified water
How 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.
why holium oxide prepared in 10% HCLO4 SOLUTION
If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately
what is third integration
which are the sizes of capsules?