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Standard
ISO 2750:1974

ISO 2750:1974

Urea for industrial use — Measurement of colour in Hazen units (platinum-cobalt scale) of a urea-formaldehyde solution

Urée à usage industriel — Détermination de la coloration d'une solution urée-formaldéhyde, en unité Hazen (échelle platine-cobalt)

Fecha Anulación:
1974-08-01 / Withdrawn
Committee:
ISO/TC 47 - Chemistry

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