Why sulpuric acid only used to ROI but not used nitric acid
and some other acids?
Answer Posted / amarendra allu
sulpuric acid is strong acid and after addition of H2SO4 ORGANIC COMPOUND WILL DECOMPOSED AND VAPORISED BY IGNITING. ROI IS CONTENT OF INORGANIC ,after addition of H2SO4 to compound it converting into their sulphates with the treatment of H2SO4 and sulphates are very stable at high temperature
(about up to 800-1000). while nitrates and chlorides are
not stable at high temperature.
| Is This Answer Correct ? | 15 Yes | 2 No |
Post New Answer View All Answers
if you have given a blank water how you analyse by general analytical techniques?
WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?
mahagenco syllabus for the post of chemist
on saturation solubility study data how we can find out the bcs class of drug?
In Assy by potentio metry titration method how select MET U ,DET U, SET U,
what is the disso medium for tropsiun chloride
How to determine water content of bis tetrazole amine mono ammonium salt
what is mean by dissolution hydrodynamics?
Identify problem faced when mass spectroscopy is used with HPLC system ?
How we performed the force degradation for drug substance, is any specific guideline is available for each parameter(Acidic, basic, oxidation,heat)? what conditions you mentained for above parameters.
How we choose the mobile phase for method development.?
how many types of balance calibration test?
While performing TOC sst analysis Zero shift disabled & sample analysis zero shift enabled why?
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.
Why acetonitrile and water are used as extraction solvent when analysis melamine? I thought they are miscible and won't be able to separate...