what is karl fischer principle and reaction ,describe it
Answer Posted / ajit
basically It is Biampriometric titration.
reaction
SO2+RN+CH3OH------>(RNH)SO3CH3
(RNH)SO3CH3+H20+I2---->(RNH)SO4CH3+2(RNH)I
| Is This Answer Correct ? | 14 Yes | 2 No |
Post New Answer View All Answers
How can we confirm the HPLC column is end-capped or not? Is it possible to identify by physical appearance?
In the HPLC Calibration done wavelength accuracy done between 200nm-280nm .but not done remaining 300-400nm not done ?
Home heating oil or furnace oil what is made from? Can (base oil plus diesel/kerosen) = home heating oil?
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 the main difference between ODS1 and ODS2 Hplc column.
in DMF having extra impurities and in api COA also having extra imp than USP or BP product then how require to proceed?
about method developement in hplc
How to determine water content of bis tetrazole amine mono ammonium salt
In GC calibration,what is the procedure to calibrate the TCD (thermal counductivity detector)suggest ?
how the compound separate in coulunm,explain
How require to perform linearity as per ANVISA? What are the acceptance criteria?
If vendor having more imp than monograph then how to proceed? and how to set spec?
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
How to fix the sample conc. in Related substances test by HPLC?
How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?