Polarized meter calibration, 1. Method name? 2. Which solution use? 3.why?1 1818
What is definition of RRT and what is the difference between RT and RRT in HPLC1 3297
What is the definition of RRF2 3788
In GC Why does retention time decrease when temperature increases? Also how does a change in temperature effect selectivity?1 1389
What is difference between assay by Hplc and uv2 5688
why we use actone for Gpv test in hplc calibration1 5519
We use hicrome 10 cxs column in hplc analysis....pls tell me.. what is the meaning of 10 cxs?
What are usp limits for theoritical plats,resoution,tailing factor,peak to valley ratio
Why potassium dichromate was using in Uv calibration?
how can I make the copper get white bye any salt or acit?
If we do accuracy at same concentration at which linearity planned,what is the need to do linearity separately?
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?
what is third integration
please explian me about area normalisation method,diluted standard method,impurity vs impurity and which one has to be selected in method development
how a particular wavelength can be different for a particular compund while analysing by uv and by HPLC.
In Dissolution Test why limit is define Q+5% what is the role of +5%.
What should be the level/ Percentage of Arsenic in Arsenic free zinc.
What is Band broading effect explain
what is the limit for KF Factor ,we take factor using water we will found factor between 6 to 7 ,while on KF Reagent bottle mentioned 5 mg/ml water content.if we not use dried methanol it is effect on factor.
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
In Karl Fischer titration,What is the situation if the material tested is only soluble in water,and not soluble in the common solvents used such as methanol ?? [e.g. Iron III Hydroxide polymaltose]