which effect is mainly responsible for chromatographic separation when silica is the statinary phase at TLC? thanks in advance1 1617
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?679
why in GC calibration of linearity regression coefficient should not be less than 0.9991 3258
Why we are having specification 100% above in case of assay as there is only 100% of compound?2 3107
why we are taking 89ml concentrated HCL for preparing 1N HCL3 5379
Calculate the water content in Di Sodium Tartrate (DST) based on molecular weight?2 2989
What are the terms used during Melting Range Analysis ?2 1872
which one is better separation in high pressure liquide chromatogram orlowpressure chromato gram in hplc938
In which cases factor of KF Reaget got higher side2 3643
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 method1111
What is the difference between BD1 808
1.What is the difference between method validation and method verification 2.Which guidelines proposed to method transfer
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
For limit test of heavy metals in BP, Method C require that the substance is ignited at a temperature not exceeding 800 °C. Why confines such the temperature?
give clarity of linearity and range in method validation
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
What is the purpose of octyl silane columns?
what is the difference between potentiometric titration and karl fischer titration?
What is intact assay method development.....?
what are the standard methods for HPLC?
why octanol used to determine the partition coefficient ?
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
Can we interpret accuracy from linearity in method validation?
Which type of column should i use to check the purity of high molecular weight protein using HPLC reverse phase column chromatography? Hi everyone. I wanna to check the purity of high molecular weight protein (collagen) with MW of ~130 kDa using a HPLC. I know C18
could negative ions be produced by bombardment process in mass spectrometry?
what is the structure of DOWEX-50