Resumen
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade anhydrous sodium metabisulfite and describes the tests to be used to determine the purity.
Ciclo de vida
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Anteriormente
RetiradaISO 3627:1976
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Ahora
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Revisada por
PublicadoISO 3627:2001