which solvent is highest poler
acetonitrile
dimethyl formamide
methanole
tetrahydrofurane
buffer solution
Answer Posted / chandu
Acetonitrile
| Is This Answer Correct ? | 10 Yes | 7 No |
Post New Answer View All Answers
what is procedure of actual procedure for registration of drug?
how to get accurate result for Residue on evaporation in purified water
As per ICH related substances stability trend limit from initial to shelf life
is it necessary to do HPLC calibration at wavelength 315nm if we are doing analysis at this wavelangth
Why we check moisture,ash & AIA in product
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 diference between residual solvents and organic volatile matter
In rs method development when we are going area normalization method to dilute standard method?
How to compare XRD graphs against standard and carry polymorpism study of API's by powder XRD method?
If we have 5 strength which is not dose proportinate and excipients also diffrent in each strength then how we can proceed for Force degradation? and excipient are same but not dose propotinate the how FD?
Principle of single pan analytical balance
why we should take dst factor for below 1%moisture samples
what are the guidelines for analytical method validations?
[3/28, 20:52] Manoj P Venkatpurwar: how many impurities require to inject in assay specificity that how we can find out? and in Rs also how?
if you have given one product then how you determine the impurity in that?