Sulfated vs. Sulphated: What's the Difference?

The divalent group SO4 or a compound containing this group.

Simple past tense and past participle of sulphate

To treat or react with sulfuric acid or a sulfate.

Alternative spelling of sulfated

(Electricity) To cause lead sulfate to accumulate on (the plates of a lead-acid storage battery).

To become sulfated.

Simple past tense and past participle of sulfate

Treated, or reacted with sulfuric acid or a sulfate.