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From Longman Dictionary of Contemporary English
Related topics: Chemistry
sulphatesul‧phate British English, sulfate American English /ˈsʌlfeɪt/ noun [countable, uncountable]  HCa salt formed from sulphuric acid copper sulphate
Examples from the Corpus
sulphateThe calcium sulphate was probably concentrated by evaporation of shallow lakes, though wind-borne gypsum dust may have contributed in places.We conclude that methanogenesis is regulated by dietary sulphate if sulphate reducing bacteria are present.In marine sediments and faeces, sulphate reducing bacteria outcompete methanogenic bacteria because of their higher affinity for such substrates.For many years ferrous sulphate was used as a supplement.Thus, the amount of sulphate given in this study can be reached by dietary means in a proportion of people.During the bacterial reduction of one mole of sulphate, four moles of hydrogen are consumed.Sulphur bacteria may be present below the anoxic zone, reducing sulphate ions and liberating hydrogen sulphide.
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