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as so % % min. ph of % solution to clarity of % solution slight hazzy iron content ppm max chloride content ppm max sodium sulphate % max heavy metals(as pb) ppm max thiosulphate (as s o ) % max sodium sulphite % max water insoluble % % max use: chemicals , vat dyes, textile, food, preservative, bleaching
as so % % min. ph of % solution to clarity of % solution slight hazzy iron content ppm max chloride content ppm max sodium sulphate % max heavy metals(as pb) ppm max thiosulphate (as s o ) % max sodium sulphite % max water insoluble % % max use: chemicals , vat dyes, textile, food, preservative, bleaching...
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