"sodium metabisulfite"@en . "disodium pyrosulfite"@en . "An inorganic compound used in the form of a white crystalline powder used variously as an antioxidant, a disinfectant, and a preservative in foods. In a conservation context, it has been used for removing rust stains from paper."@en . . "sodium metabisulphite"@en . "2013-09-09T13:29:01"^^ . "300387533" . "sodium pyrosulfite"@en . . "metabisulfite, sodium"@en . "sodium pyrosulphite"@en . . "2013-12-02T16:06:20"^^ .