why we are using benzene, anyline in acetic anhdride assay titration method?

2114

1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2885

Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...

1689

in monograph 7 imp are there but in vendor showing 5 imp do not req to include 2 imp for that what will be justification?

721

Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?

2184

what are risk assement in the analytical qbd?

760

Did anybody have method for acetyl cysteine effervescnce tablet

2253

Which products will produce when acetic anhydride reacts with Ter-butanol, Sec-butanol, Iso butanol, Dimethylamine etc.

2865

How do we get end points and how many end points are possible for citric acid and di-acid not theorotically answer should be given practically.

2584

mode of absorption in alimentary canal?

2390

what is partion and column chromatography

2392

WHAT IS THE PURPOSE WE USE HCL, CHOPPER, BURNER, MONOCHROMATOR in AAS? PLEASE EXPLAIN BRIEFLY

2607

how you establish the LOQ?

793

Why use only methanol,used determinationof moisture content not use other solvents

1405

What is the diference between residual solvents and organic volatile matter

2053