Barium hydrogencarbonate

Sodium and potassium hydrogencarbonates are less soluble than the carbonates. Magnesium, calcium, strontium and barium hydrogencarbonates exist only in solution. Attempts to remove the water destroy the compounds ... 

A slight excess of 10 per cent barium chloride solution is added to the hot solution to precipitate the carbonate as barium carbonate, and the excess of sodium hydroxide solution immediately determined, without filtering off the precipitate, by titration with the same standard acid phenolphthalein or thymol blue is used as indicator. If the volume of excess of sodium hydroxide solution added corresponds to timL of 1M sodium hydroxide and u mL 1M acid corresponds to the excess of the latter, then v — v = hydrogencarbonate, and V— v — v ) = carbonate. 

NaHC03, sodium hydrogencarbonate FeS04, iron(II) sulfate (NH4)3P04, ammonium phosphate Ba(OH)2, barium hydroxide... 

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