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WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY
What is the difference between ROI & sulphates ash?
in hplc chromatogram started from left to right and in uv spectrum started from left to right
what is rs test why we are perfoming rs test
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,
What is the difference between chiral cel OD-H & OD-RH ?
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
from where i get mortar pastle for glass bottle crush? it's required for testing of it?
Why we use methanol as solvent in kf standardisation. Why not other solvent?
2 Answers Caplin Point, Epione Labs, Hetero,
In HPLC Chromatographic separation Resolution equation is Rs = 1.18 (tR2 –tR1)/wh1+Wh2, Where, tR2 and tR1 is run time of eluent ratios of the distances from the point of application to the centers of the spots and the distance travelled by the solvent front from the point of application (retardation factor), and Wh1and Wh2 , is peak width of at half height. What is 1.18 ?
As per USP what is RSD limit of volumteric solution of three replicate analysis
What id the resolution factor
Organic Chemistry 
