Cations can be identified with flame tests or precipitate tests using sodium hydroxide and ammonia solutions. Anions (halide, sulfate, and carbonate ions) can be identified using precipitate tests or ...

(1) Sulphate was measured by ion chromatography and by Mackereth's cation-exchange technique in bog waters of variable colour and dissolved organic matter. Mackereth's technique yielded considerably ...

This is a preview. Log in through your library . Abstract A new method measures the oxygen-isotopic composition of dissolved sulfate ions and barium sulfate. Sulfate ions in the oceans are enriched in ...