• 09/30199295 DC : 0

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    BS ISO 18901 - IMAGING MATERIALS - PROCESSED SILVER-GELATIN TYPE BLACK-AND-WHITE FILMS - SPECIFICATIONS FOR STABILITY

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-06-2010

    Language(s):  English

    Published date: 

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Film base requirements
    5 Processed film requirements
      5.1 Storage conditions
      5.2 Safety film
      5.3 Amount of free acid
      5.4 Tensile properties and loss in tensile
           properties
    6 Requirements for the emulsion and backing
      layers of processed film
      6.1 Layer adhesion
           6.1.1 Tape-stripping adhesion
           6.1.2 Humidity-cycling adhesion
      6.2 Emulsion flow
      6.3 Blocking
      6.4 Thiosulfate concentration
      6.5 Residual silver compounds
    7 Image stability requirements
      7.1 General
      7.2 Radiographic films
      7.3 Microfilms
      7.4 Other films
    8 Test methods
      8.1 Identification of film base
      8.2 Accelerated-ageing conditions
      8.3 Determination of the amount of free acid
           8.3.1 Specimen preparation
           8.3.2 Solution preparation
           8.3.3 Titration
           8.3.4 Calculation
      8.4 Tensile property test for processed film
           8.4.1 Specimen preparation
           8.4.2 Accelerated ageing
           8.4.3 Conditioning
           8.4.4 Procedure
      8.5 Tape-stripping adhesion test
           8.5.1 Specimen preparation
           8.5.2 Conditioning
           8.5.3 Procedure
      8.6 Humidity-cycling adhesion test
           8.6.1 Specimen preparation
           8.6.2 Procedure
      8.7 Emulsion-flow test
      8.8 Blocking test
      8.9 Residual silver compound test
      8.10 Image-stability test
           8.10.1 Specimen preparation
           8.10.2 Conditioning
           8.10.3 Incubation
           8.10.4 Measurements
    Annex A (informative) - Washing and the effect of residual
            thiosulfate on the developed silver image
    Annex B (informative) - Effect of residual silver compounds
            on the developed silver image
    Annex C (informative) - Accelerated image-stability test
            for radiographic films
    Annex D (informative) - Accelerated image-stability test
            for microfilms
    Annex E (informative) - Accelerated image-stability test
            for aerial films
    Bibliography

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

    Comment Closes On
    Committee CPW/42
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    ISO 18911:2010 Imaging materials Processed safety photographic films Storage practices
    ISO 18902:2013 Imaging materials — Processed imaging materials — Albums, framing and storage materials
    ISO 18906:2000 Imaging materials Photographic films Specifications for safety film
    ISO 18917:1999 Photography Determination of residual thiosulfate and other related chemicals in processed photographic materials Methods using iodine-amylose, methylene blue and silver sulfide
    ISO 5-3:2009 Photography and graphic technology Density measurements Part 3: Spectral conditions
    ISO 527-3:1995 Plastics Determination of tensile properties Part 3: Test conditions for films and sheets
    ISO 5-2:2009 Photography and graphic technology Density measurements Part 2: Geometric conditions for transmittance density
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