Resumen
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade anhydrous sodium carbonate and sodium carbonate monohydrate and specifies the test methods to be used to determine the purity.
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Informaciones generales
Ciclo de vida
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Anteriormente
RetiradaISO 424:1976
RetiradaISO 3942:1976
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Ahora
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