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  • BS ISO/TR 12031:2000

    Current The latest, up-to-date edition.
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    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2000

    Publisher:  British Standards Institution

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

    1 Scope
    2 References
    3 Terms and definitions
    4 Inspection conditions
    5 Equipment and supplies
          5.1 General
          5.2 Light box and film rewinds for 16 mm and 35 mm
          5.3 Eye loupe (eye glass)
          5.4 Microscope
          5.5 Specular light source
          5.6 Black velvet
          5.7 Inspection gloves
    6 Sampling method
          6.1 General
          6.2 Division into survey groups
    7 Inspection procedure
          7.1 General
          7.2 Procedure for all microfilms
          7.3 Checks for all microfilms
          7.4 Additional checks for roll film
          7.5 Additional checks for jackets
          7.6 Additional checks for aperture cards
    8 Inspection reporting
          8.1 Classification
          8.2 Data collection, general
          8.3 History and description of group or collection
          8.4 Individual microfilm inspection report
          8.5 Data analysis (optional)
    9 Types of defects
          9.1 General
          9.2 Microbiological growths
          9.3 Redox blemishes
          9.4 Residual processing chemicals
          9.5 Emulsion adhesion
          9.6 Separation of the emulsion from the film base
          9.7 Brittleness
          9.8 Base shrinkage
    10 Remedial action
          10.1 General
          10.2 Subsequent re-inspections
    Annex A - Determination of base type
    Annex B - Factors affecting deterioration
          B.1 - General
          B.2 - Inappropriate choice of film material
          B.3 - Processing
                B.3.1 - Improper fixing
                B.3.2 - Improper washing
                B.3.3 - Insufficient drying
          B.4 - Improper climatic conditions during storage
    Annex C - Examples of types of defects
          C.1 - Microbiological growths
          C.2 - Redox blemishes
                C.2.1 - Exposed leader
                C.2.2 - Silver sheen
          C.3 - Separation of the emulsion from the film base

    Abstract - (Show below) - (Hide below)

    Applicable to all kinds of silver-gelatin microfilm, in roll, aperture card, jacket or microfiche format. Covers the equipment and methods required for identification and monitoring of deterioration. Acts to identify the extent and nature of the problem and will eventually give a sound basis for any remedial action necessary.

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

    Committee IDT/1/1
    Document Type Standard
    Publisher British Standards Institution
    Status Current

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


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

    ISO 2859-3:2005 Sampling procedures for inspection by attributes — Part 3: Skip-lot sampling procedures
    ISO 417:1993 Photography — Determination of residual thiosulfate and other related chemicals in processed photographic materials — Methods using iodine-amylose, methylene blue and silver sulfide
    ISO 5466:1996 Photography — Processed safety photographic films — Storage practices
    ISO 10602:1995 Photography — Processed silver-gelatin type black-and-white film — Specifications for stability
    ISO 2859-2:1985 Sampling procedures for inspection by attributes — Part 2: Sampling plans indexed by limiting quality (LQ) for isolated lot inspection
    ISO 2859-0:1995 Sampling procedures for inspection by attributes — Part 0: Introduction to the ISO 2859 attribute sampling system
    ISO 543:1990 Photography Photographic films Specifications for safety film
    ISO 6196-1:1993 Micrographics Vocabulary Part 1: General terms
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