Answer Posted / rajasekar
ppm means parts per million that is represented as 1000000.
1g dissolved in 100ml water means that is 1%solution.
so, we concluded 1/100*1000000=10000ppm
| Is This Answer Correct ? | 56 Yes | 4 No |
Post New Answer View All Answers
UV and PDA detector, which have less signal to noise ratio?
What is similarity factor and its use in api strength?
if you given one product then which tests you will perform?
Ph meter can show more than 14 ph reading? Why ph range in between 1 to 14 only?
Which parameter require to do for analytical method equivalency?
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.
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 a difference between potency and purity?
some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?
What is the principle of HPLC, GC, LCMS, GCMS,LC QQQ, GC QQQ, LC Q TOF and GC Q TOF. What are the applications and Specificity?
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?
In Dissolution Test why limit is define Q+5% what is the role of +5%.
What is dose dumping? why require to do?
How to calibration of the uv spectroscopy and its test?
what is difference in ods I ods II is this is realy from sorbent / packing characteristics or from other means