How to develop the method when we have very low amount of
impurity?
Answers were Sorted based on User's Feedback
Answer / kalpana
by doing the force degradation of the sample in different
condition(like acid, alkali, peroxide,thermal and
photolytic degradation)and then develope the method.
| Is This Answer Correct ? | 14 Yes | 2 No |
Answer / balaji
IN THIS CASE INCRESE SAMPLE CONCENTRATION EG; MY DRUG KNOW
IMPURITES LIMIT IS 0.05% UNKNOW IMP LIMIT IS 0.03% INTHIS
CASE STD PREPARATION IS 5MG/100 FURATHER 1/100 THIS IS KNOW
IMPURITES CONCENTRATION 3/100 AND 1/100 THIS UNKNOW IMP
MEANS API, SAMPLE CONCENTRATION IS 1MG/ML IF STD AREA IS
NOT COME INCRESE THE SAMLE CONCENTRTION MEANS
10/100*1/100*10/20*100=0.05% SAMLE CONCENTRATION IS 2MG/ML
| Is This Answer Correct ? | 1 Yes | 3 No |
IN DISSOLUTION S1 STAGE 1 BOWL GOT 52%(Q POINT IS 80%)WHAT WE HAVE DO
If combination product how require to identify which imp is of which api?
How to fix the concentration for RS by HPLC
for inorganic molecules require to do RS, Assay and disso?
why inject diluted standard solution in related substance analysis by HPLC?
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
What is the definition of water content or moisture content,what is the procedure going on w.c amalysis?
in each media we require to use SLS? how to proceed?
Describe your field experience sample type collected,sample techniques,field measurements taken and equipment used?
How you develop a method in HPLC?
0 Answers CU, Perrigo, Wockhardt,
why 6 tablets use for dissolution
1 Answers Cadila, IPCA, SUN, Teva Pharmaceuticals,
How does GC did work?