Polarized meter calibration, 1. Method name? 2. Which solution use? 3.why?1 1757
What is definition of RRT and what is the difference between RT and RRT in HPLC1 3042
What is the definition of RRF2 3666
In GC Why does retention time decrease when temperature increases? Also how does a change in temperature effect selectivity?1 1245
What is difference between assay by Hplc and uv2 5382
why we use actone for Gpv test in hplc calibration1 5163
What is the principle of Thermal conductivity detector and FID?
Ratio of Water and Acetonitrile(diluent) is not recommended to use in cleaning method validation,why?
Why potassium dichromate is used in calibration of uv?
can we use the same detector in HPLC as well GC and what could be the differences we can find in the final chromato graph in any aspects?
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio
Why perchloric acid used for potentiometric titration
How to choose concentration of LOQ solutions for RS analysis? Example.
Basic principle of ESI?
What is the purpose of octyl silane columns?
A ha tc is actual defination of retention time?
what are the standard methods for HPLC?
What is the difference between purge septum flow and column flow in gas chromatography?
In HPLC (Waters) software Empower1,2 &3 what is the updation for each version
In IR spectra, generally a molecule vibrates without apply emr or ir light?
What is diffrence between extractable volume and deliverable volume? Answer pls