Answer Posted / kishor solanke(alkem)
Because the straingth of karl fischer reagent is not stable
due its chemical composition thats why we have to datermine
the KF factor in each 24 hrs. interval (Daily
standardization).
| Is This Answer Correct ? | 27 Yes | 2 No |
Post New Answer View All Answers
Difference between the quantitative analysis and qualitative analysis?
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
Why are use silicon oil mr?
WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?
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.
is it nessesary to do solution stability for 7 days?
why octanol used to determine the partition coefficient ?
How would you decide dissolution medium for NCE compound of class I drug
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
from where i get mortar pastle for glass bottle crush? it's required for testing of it?
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.
[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?
for which product require to do content uniformity? what is limit of cu?
Which is the highly polar and highly non polar column in HPLC?
What is the difference between chromatographic purity and related substances?
