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perchloric acid&glacal acetic acid both are acids but reaction is complete in volumetric titrations.how?
1 11210acetic acid is weak acid & perchloric acid is strong acid.but how perchloric acid is soluble in acetic acid
3 11775today i am doing calibration of HPLC. when i inject the blank it was going on -ve.(bleow then zero) why?
3 10538in karl fischer reagent which solvent is used for dissolving iodine sulphur dioxide and imidazole
4 11333Post New Analytical Chemistry Questions
What are modes of quantification in related substances
how you start the solubility study?
How to calculate coreletion coefficient
what is the different in Total ash, sulphated ash, acid insoluble ash, alcoholic or non alcoholic ash?
What is the calibration of uv process and preparation
what is the origin to prepare standard operating procedure
why octanol used to determine the partition coefficient ?
Difference between hlaf and rlaf
What is importance of pH in the Heavy metal test and How it effect on the test results?
what is the acceptance criteria for enteric coated tablets in 0.1n hcl validation in each parameter?
what is mean by dissolution biowaiver study?
how will you do the prep for unstable componds?
If change in specification which parameter require to do for validation? if change in chromtographic condition then which parameter? if api change then which parameter? if change composition then which parameter? if old method not work out then whicj parameter? if additional one impurity added then which parameter of validation require to do on above each conditions? elaborate separately
how we can identify the impurity is coming below loq at transfering site?
in which situation require to change rs specification?
