What is the difference b/w OVI Solvents and Residual
Solvents in case of Gas Chromatogaphy and What is its
Detection Limit?
Answer Posted / d.sambireddy
Organic volatile impurities called OVI. Its limit is
very low.
benzene, chloroform, 1,4-dioxane, ethylene oxide, methylene
chloride and trichloroethylene
The above solvents are now included in Residuval solvents
suppose these solvents we are using (or) are not using in
process but we determine the solvents because these sovents
are toxic. its PDE is very low
RS:RESIDUAL SOLVENTS ,Theirs limits r high compared to ovi.
Is This Answer Correct ? | 11 Yes | 7 No |
Post New Answer View All Answers
What is the acceptance criteria for moisture balance when calibrated with sodium sulfate
Tell me about analytical method validation in QC
1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.
how require to interprit the method precision data of hptlc?
Difference between hlaf and rlaf
why xterra column require to use at higher ph?
How we choose the mobile phase for method development.?
how you fix the limits of impurities?
how pda detector works over uv?
what is the extinction coefficient for Indomethacin or at 319nm wave length.
what type of question will ask in the interview of lab chemist.
WHAT IS THE CRITERIA FOR SELECTION OF TIME OF DISSOLUTION AND THE MEDIUM OF DISSOLUTION?
what is %labelled amount in content uniformity of dosage unit and its calculation?
How to set specification of assay, fisdolution and related substances?