why we are using hexane in calibration of number of drop per mL
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some compound havving uv region but not give much more response during hplc analysis
How to make up 100ml of a solution cintaining compound A at 95µg/ml and compound B at30µg/ml for an HPLC reference standard.
what is polarity and how to calculate
From where require to take the RLD sample?
IN pH CALIBRATION,CALIBRATION IS DONE FOR pH METER OR ELECTRODE?HOW WILL YOU JUDGE THAT THE METER TO BE CALIBRATED WITH 4,7,9.2 BUFFERS?EXPLAIN TEMPERATURE EFFECTS ON pH.
what is mean by UOD?
Difference between hlaf and rlaf
What if impurity area in control sample coming more as compared to LOQ level of impurity ?
What is use of LOD and LOQ in validtion and give range and in calculation why we use 3.3* LOD here why we use 3.3
2 Answers Dr Reddys, IPCA, Reddy Labs,
Why do we use 500ppb sucrose and 500ppb 1,4 benzoquinone in TOC calibration?
In the method validation proceedure,lod & loq calculation we use the formulae for LOD=3.3*SD/slope and for LOQ=10*SD/slope,why we use 3.3 & 10 in the formulae?
HOW RRF IS CALCULATED IN HPLC