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  4. Standard "ISO 423:1994-ed.2.0"
Standard ISO 423:1994-ed.2.0 21.4.1994 preview

ISO 423:1994-ed.2.0

Photography — Processing chemicals — Specifications for hydroquinone

Automatically translated name:

Photography -- Processing chemicals -- Specifications for hydroquinone



STANDARD published on 21.4.1994


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The information about the standard:

Designation standards: ISO 423:1994-ed.2.0
Publication date standards: 21.4.1994
SKU: NS-432029
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Category: Technical standards ISO

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The category - similar standards:

Photographic chemicals

Annotation of standard text ISO 423:1994-ed.2.0 :

Description / Abstract: Establishes criteria for the purity and describes the test methods for identity tests, residue after ignition, heavy metals content, iron content, appearance of solution. Annex A describes preparation of the standard ammonium cerium(IV) hexanitrate solution.

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