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BS 5699-2:1979

Current

Current

The latest, up-to-date edition.

Processed photographic film for archival records Specifications for silver-gelatin type on poly(ethylene terephthalate) base

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

28-02-1979

€165.94
Excluding VAT

National foreword
Cooperating organizations
Specification
0 Introduction
1 Scope and field of application
2 References
3 Definitions
4 Physical requirements controlled by the film
   manufacturer
5 Physical requirements controlled by the film
   manufacturer and by the processor
6 Thiosulphate concentration
7 Test methods
Annexes
A Film processing
B Effect of residual chemicals on the developed silver
   image
C Microscopic blemishes
D Emulsion adhesion
Bibliography
Tables
1 Limits for tensile properties and tensile properties
   loss
2 Limits for mushiness value loss after accelerated
   ageing
3 Limits for thiosulphate concentration

Requirements for processed black-and-white films having silver-gelatin type emulsions on safety poly(ethylene terephthalate) type bases.

Committee
CPW/42
DevelopmentNote
Also numbered as ISO 4332:1977 Supersedes 75/63443 DC (08/2005)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Current

1.1 This International Standard establishes the specifications for safety poly(ethylene terephthalate) type films having silver-gelatin type emulsions processed to produce a stable black-and-white photographic image.

1.2 Silver images produced by full reversal processing are included. Silver images that have been chemically altered by treatments such as toning, reduction, or intensification are excluded. Colour films are excluded. However, a gold protection treatment is not excluded. Silver images produced by dry processing, diffusion transfer, monobath processing and halide reversal processing are also excluded.

1.3 This International Standard is applicable to micro-film, motion-picture film, roll film, and sheet film intended for archival record films.

1.4 Lacquers and lubricants have been applied to processed film for fungus and scratch protection without any known detrimental effect on permanence. However, because of the wide variety of possible materials, lacquered and lubricated film are excluded from this International Standard.

Standards Relationship
ISO 4332:1986 Identical

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11/30232592 DC : 0 PD 5454 - GUIDE FOR THE STORAGE AND EXHIBITION OF ARCHIVAL MATERIALS
BS 5550-2.12.1:1993 Cinematography. 16 mm film. Miscellaneous Specification for test film for assessing the picture performance of 16 mm motion-picture projectors
PD 5454:2012 Guide for the storage and exhibition of archival materials
BS 5706:1979 Methods for the determination of thiosulphate and other residual chemicals in processed photographic films, plates and papers: methylene blue photometric method and silver sulphide densitometric method
BS 5699-1:1979 Processed photographic film for archival records Specifications for silver-gelatin type on cellulose ester base
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BS 2782-3 Methods 326A to 326C:1977 Methods of testing plastics. Mechanical properties Determination of tensile strength and elongation of plastics films
ISO 6051:1997 Photography Processed reflection prints Storage practices
ISO 5466:1996 Photography — Processed safety photographic films — Storage practices
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BS 850(1971) : LATEST SPECIAL REQUIREMENTS FOR CINEMATOGRAPH FILM DESIGNATED AS 'SAFETY FILM'
BS 5706:1979 Methods for the determination of thiosulphate and other residual chemicals in processed photographic films, plates and papers: methylene blue photometric method and silver sulphide densitometric method

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