what is the difference between c-8 and c-18 column
Answer Posted / apparao
Onaly differance is packing of coloumn
Is This Answer Correct ? | 1 Yes | 5 No |
Post New Answer View All Answers
how require to interprit the method precision data of hptlc?
in dissolution if one bowl got 70 percent 2nd bowl got 80 percent and 3rd bowl got 90 percent then how proceed?
Why we select scan range from higer wavelength to lower wavelength in uv visible spectroscopy and ftir spectroscopy ? .
why digestion require in icpms?
we can use expired sample for validation and analyst qualification?
how to get accurate result for Residue on evaporation in purified water
about method developement in hplc
In HPLC calibration, caffeine is used as primary standard for wave length calibration due to caffeine is having dual maxima at 273 & 205 nm and one minima at 245 nm. Any body can give reference of these details from any pharmacopeia (with chapter no.) or any other authentic guideline?
how the compound separate in coulunm,explain
in OSD forms require to use gas chromatography?
What is the diference between residual solvents and organic volatile matter
why glutent are detected in the rice cereal baby food product even manufacturer claimed that they are using rice and milk only?we have using ELISA to do the test,and rice supposed not containing any glutent,rite?We already repeat the test so many times and it still detected.just wondering where the glutent came from?
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.
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.
how to calibrate hplc & gc