persulfate

[per-suhl-feyt]
noun Chemistry.
a salt of persulfuric acid, as potassium persulfate, K 2 S 2 O 5 or K 2 S 2 O 8 .

Origin:
1805–15; per- + sulfate

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Persulfate treatment also needs sulfate levels and the baseline iron content.
Organic phosphorus compounds may be converted to the orthophosphate form by manual persulfate digestion.
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