noun
COLLOCATIONS FROM CORPUS
■ NOUN
aluminium
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Mixed with water, aluminium sulphate becomes increasingly acid.
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Most of the aluminium contamination is due to aluminium sulphate added to water to remove cloudiness.
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The low-level, continuous exposure arising from aluminium sulphate in water purification is very worrying.
ammonium
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Anhydrite was used in the production of ammonium sulphate and cement.
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In this assay, bacteria with higher surface hydrophobicity agglutinated at lower ammonium sulphate concentrations.
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This can be avoided by the addition of ammonium sulphate .
reduction
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In man, the principal routes are via methanogenesis or dissimilatory sulphate reduction .
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In three of the six subjects, sulphate reduction rates were low and did not show any change throughout the study.
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It is clear from studies in man that either methanogenesis or dissimilatory sulphate reduction predominate in some populations.
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This is probably not enough to allow significant dissimilatory sulphate reduction .
sodium
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Pulp, paper, viscose and fine chemical industries generate huge volumes of sodium sulphate byproduct.
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From day 11 to day 20, 15 mmol sodium sulphate was added to the diet.
EXAMPLES FROM CORPUS
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During the bacterial reduction of one mole of sulphate , four moles of hydrogen are consumed.
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For many years ferrous sulphate was used as a supplement.
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In marine sediments and faeces, sulphate reducing bacteria outcompete methanogenic bacteria because of their higher affinity for such substrates.
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Sulphur bacteria may be present below the anoxic zone, reducing sulphate ions and liberating hydrogen sulphide.
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The calcium sulphate was probably concentrated by evaporation of shallow lakes, though wind-borne gypsum dust may have contributed in places.
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Thus, the amount of sulphate given in this study can be reached by dietary means in a proportion of people.
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We conclude that methanogenesis is regulated by dietary sulphate if sulphate reducing bacteria are present.