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Sulphates and sulphonates
Sulphates and sulphonates are a group of inorganic and organic compounds containing a sulphate (SO4) group. Compounds with this group have strong non-metallic properties, good chelating capacity (binding of metal ions in solution). It is one of the most popular groups of compounds, as it is one of the most common and economically cheapest elements. Sulphates are the most commonly used in crop production because they do not cause chlorosis, are soluble in water and provide plants with S elements. Sulphonates are used as surfactants with a negative charge (anionic surfactants).
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The following sulphates are used in crop production as a source of trace elements: copper sulphate, magnesium sulphate, manganese sulphate, zinc sulphate.
Sodium lauryl ether sulphate SLES, disodium lauryl sulfosuccinate DLS, sodium olefin sulphonate SOS, ABS acid LABSA
In the food industry, sodium metabisulphite E223, sodium bisulphite E222, sodium sulfate E514.