Which column is more polar, C8 or C18?
Answer Posted / nidhi
C8 is more polar than C18 because as the no. of C increases, polarity decreases.
| Is This Answer Correct ? | 16 Yes | 0 No |
Post New Answer View All Answers
for heavy metal test lead used in which form pure form or any other form for preparation of lead standard sol
in stress study if your api not soluble in hcl naoh h2o2 then what require to do?
From where require to take the RLD sample?
if identification threshold crosses the limits then what next step?
if you have given one product then how you determine the impurity in that?
how you fix the limits of impurities?
HI,I CLEARED BOB CLERK EXAM. MY INTERVIEW WILL BE ON 9TH OCTOBER,2010.PLEASE SEND ME INTERVIEW QUESTIONS AND ANSWERS. THANK YOU.
what are risk assement in the analytical qbd?
My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards
what parameters we will consider while developing a HPLC method and how we confirm our HPLC method is valid?
Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
Loss of linearity in tkn analysis, possible reasons?
Explain the relations between number of carbon atoms in alkanes and retention time ?
how can I make the copper get white bye any salt or acit?
why we are using hexane in calibration of number of drop per mL