some product having water content method with pyridine and ethylene glycol mixture instead of methanol? how they are selecting and methanol is not suitable solvent how ?

2654

if peak get problamatic then what require to do?

805

What are some common isotopes of Actinium, and how do they differ in terms of stability and uses?

682

What is titration?

1112

when we talk about change in entropy we consider total entropy means of surround +entropy of system but when we talk about change in Gibss free energy we consider entropy of system.explain with reason.

2042

if you get peak in blank then what require to do?

974

Why to use propyl paraben in HPLC gradient calibration

7488

hi friends, dis is ramana reddy.i have been workining in bulk drugs as QC chemist.i would like 2 change d company.but our company didn't give d OFFER LETTER,APPOINTMENT LETTER,PAY SLIP.if any body has these documents along with sample RESUME,pls send 2 my mail id i.e ramanareddy.sdpl@ymail.com

2911

Qc interview questions

1742

What are the methods used to control the corrosion? : Electrochemistry Corrosion

1019

What are the inorganic material eliminated in Sulphated Ash

3338

why are measure gas flow " ml " in Gas chromatography

1661

What is aggregate and fragments in SEC?

2114

What is photoelectric colorimeter?

1035

there is something which we call as the basicity of an acid i wanted to ask is that is there something like the basicity of an alkali if yes than how can we define it?

2053