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  • ISO 423:1994

    Current The latest, up-to-date edition.

    Photography Processing chemicals Specifications for hydroquinone

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English, French

    Published date:  21-04-1994

    Publisher:  International Organization for Standardization

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    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher International Organization for Standardization
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    I.S. ISO 5799:1991 PHOTOGRAPHY - DIRECT-EXPOSURE MEDICAL AND DENTAL RADIOGRAPHIC FILM/PROCESS COMBINATIONS - DETERMINATION OF ISO SPEED AND AVERAGE GRADIENT

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 10349-5:1992 Photography — Photographic-grade chemicals — Test methods — Part 5: Determination of heavy metals and iron content
    ISO 565:1990 Test sieves — Metal wire cloth, perforated metal plate and electroformed sheet — Nominal sizes of openings
    ISO 10349-1:2002 Photography Photographic-grade chemicals Test methods Part 1: General
    ISO 10349-4:1992 Photography — Photographic-grade chemicals — Test methods — Part 4: Determination of residue after ignition
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