Answer Posted / kpr7777
analytical chemistry
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In Dissolution Test why limit is define Q+5% what is the role of +5%.
I have compare C2H2-air and C2H2-N2O flame AAS on determination calcium. Both use same range of std to plot calibration curve. (2-6ppm) When i measure the sample with phosphate, KCl and LaCl, C2H2-N2O flame give false positive result, around 0.5ppm. When i measure the sample with phosphste, KCl and EDTA. C2H2-N2O flame also give 0.5ppm false positive. But both above mentioned sample would not give false positive when measured by C2H2-air flame. What is the reason?
If inhouse hplc related substance method is completly diffrent from Usp for finished proďuct with diffrent impurities then how require to prove method equivalecy?
In which situation we require to prepare the standard solution from sample in Related substance method?
Why we use potassium dichromate in uv calibration Exact reason behind it??
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.
We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy
how require to select dissolution media? what is discrimination?
4. Describe the operation of the Craig apparatus. Chapter.3 Equilibrium Processes in Separations
if you given one product then which tests you will perform?
in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?
Basic principle of ESI?
What is the purpose of octyl silane columns?
how you fix the limits of impurities?
From where require to take the RLD sample?
