Can you recommend a method for quantitative analysis of potassium from tripotassium hexathiocyanatochromate?
Is it possible to use method which is suggested in Vogel's - Textbook of quantitative chemical analysis?
"Potassium may be precipitated with excess of sodium tetraphenylborate
solution as potassium tetraphenylborate."
A. G. Piyal Aravinna
You can digest known amount of your compound with strong acid (in Teflon beaker) and then analyse the extract of digest using atomic absorption spectroscopy or relevant technique ( or ICPMS)
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