what is principal of karl ficher instrument!
Answer Posted / k.praveen kumar
How much amount of water content present in substance by
utilising Water, Iodine and sulphur dioxide inpresence of
lower alcohol methanol and inpresences of base such as
pyridine.
Is This Answer Correct ? | 34 Yes | 7 No |
Post New Answer View All Answers
how require to set assay concentration for standard and sample?
What is stray light in uv what are units for stray light
in sampling of raw material which side is pasted sampled labels
My question about gas chromatography sulfur chemiluminsecence detector. I test unknown sample gas by GC-SCD (calibrated ) and the result of *H2S is 279 PPM , *but when I test the same sample with the GC-TCD (calibrated ) the value of *H2S is 2500 PPM . I'd like to inform you that both GCs are calibrated and have very good operation conditions with stable parameters . the question is if the sample gas with higher H2S over detection limits of SCD detector (1000 ppm). why the result it 279 ppm Best regards
WHAT IS THE PARAMETER FOR THE SELECTION OF MOBILE PHASE IN HPLC?
identification is for unknown? qualification for known? reporting for LOQ?
What is the formula to determine the concentration of M of a solution given the % transmittance? Use %T = 43.7 as an example.
which are the sizes of capsules?
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 mean by peak intigrity?
what is different when impergnated silica plates are used in separation of azo dyes using column chromatography?
How require to develop GC method? how to select diluent, GAS, column selection and other chromatographic conditions?
What is shaking level in GC?
what are risk assement in the analytical qbd?
In rs method development when we are going area normalization method to dilute standard method?