which effect is mainly responsible for chromatographic separation when silica is the statinary phase at TLC? thanks in advance1 1517
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?633
why in GC calibration of linearity regression coefficient should not be less than 0.9991 3105
Why we are having specification 100% above in case of assay as there is only 100% of compound?2 2930
why we are taking 89ml concentrated HCL for preparing 1N HCL3 5169
Calculate the water content in Di Sodium Tartrate (DST) based on molecular weight?2 2717
What are the terms used during Melting Range Analysis ?2 1740
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc888
In which cases factor of KF Reaget got higher side2 3492
what is the concept for adjustment of pH in HPLC buffer solution ? a. Common ion effect b. Counter ion effect and explain me, how we adapt this principles & what is the role of these principles in our method1033
what is definition of validation? which components are followed give detail?
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?
Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.
How will u perform degradation study in detectors other thann PDA in HPLC Methodology
what is the origin to prepare standard operating procedure
WHAT IS DIFFERENCE B/W MALTINGRANG/DSC
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc
how to calibrate hplc & gc
What is the difference between purge septum flow and column flow in gas chromatography?
in gas chromatography what is the difference between gas flow rate and average linear velocity ?
what is the principle of UV Vis spectroscopy, AAS, ICP OES,ICPAES, ICP-MS and FTIR
What is the difference between spectro meter and spectro photo meter?
Please tell me about the pH of Polycaboxylic ether is it in the 5-6 range ever or more than 6
why we use sodium salicylate in uv light calibration at TLC chamber
what type of question will ask in the interview of lab chemist.