Why sulfuric acid is used in sulphated ash / residue on
ignition test.
- 9 Answers
- 74076 Views
- CS Pharmaceuticals, Dr Reddys, GVK, HPLC, Micro Labs, Samrudh, Watson Pharmaceuticals, Wings Customer Care, I also Faced
- E-Mail Answers
Answer Posted / mrutyunjay tripathy
Sulphuric acid is a strong oxidising agent which oxidises
the carbon present in the organic samples resulting CO2 &
H2O and converts the metals into their sulphates which can
be easily extracted to perform the heavy metal test.
| Is This Answer Correct ? | 28 Yes | 3 No |
Post New Answer View All Answers
How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?
what is mean by dissolution biowaiver study?
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 ?
What is shaking level in GC?
Why we use potassium dichromate in uv calibration Exact reason behind it??
how to get accurate result for Residue on evaporation in purified water
how to calculate elemental impurities?
why we use a particular hplc column for a particular compound give reasons?please
how many types of balance calibration test?
What is mean by PDR?
pharma industries oriented
Why use only methanol,used determinationof moisture content not use other solvents
What is control room temperature and which guide line says?
Why only hydroxy naphthol blue indicator is used for standardisation of 0.05M EDTA solution instead of solochrome Black T or Euriochrome Black T indicator which is used for all sample analysis with 0.05M EDTA solution?
In rs method development when we are going area normalization method to dilute standard method?
