why in hplc peaks are in positive side(it means upside) not in
negative side?
Answer Posted / sagar mhaske
BEZ we are taking reading in mv,not in transmittance so all peak in hplc on positive side..
if we are taking reading in transmittance then automatically goes negative side.
Is This Answer Correct ? | 6 Yes | 4 No |
Post New Answer View All Answers
please explain about aluminium hydroxide assay
If combination product how require to identify which imp is of which api?
why sre you used Potassium hydrogen phthalate in standarisation of 1N NaOH and 0.1 N Perchloric Acid?
What is the principle of Thermal conductivity detector and FID?
effect of pore size, pore volume, partical size, column length, carbon load on retention time? what is carbon load? what is the use?
What is related substance by HPLC impurity limits as per USP?
what is the importance of peak purity in HPLC and how we can calculate through manul(not software)?
Why six unit used for precision?
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6
How to choose the which salt is suitable for mobilephase
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
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
WHICH STANDARD WE USE IN SILICA ANALYSIS IN SILICA-GEL METHOD FOR SOLID SAMPLE
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.