ISO 3621:1994-Photography — Processing chemicals — Specifications for sodium tetraborate decahydrate
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Označení normy:
ISO 3621:1994
Počet stran:
3
Vydání:
2
Vydáno:
1994
Jazyk:
Anglicky
DESCRIPTION
ISO 3621:1994
Cancels and replaces the first edition (1976). Establishes criteria for the purity of photographic-grade sodium tetraborate decahydrat and specifies the tests to be used to determine the purity.
