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Guest
Would this work for phosphates:
Add HCl, add barium chloride, filter to remove barium sulfate, add ammonia, add barium chloride, filter, dry, and weigh barium phosphate.
Is the addition of HCl enough to ensure that no phosphate is precipitated, and that all sulfate is precipitated out?
Also how can you get a quantitative reading of nitrate present? I don't think tests for either of these are addressed in CC.
Add HCl, add barium chloride, filter to remove barium sulfate, add ammonia, add barium chloride, filter, dry, and weigh barium phosphate.
Is the addition of HCl enough to ensure that no phosphate is precipitated, and that all sulfate is precipitated out?
Also how can you get a quantitative reading of nitrate present? I don't think tests for either of these are addressed in CC.