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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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BS ISO 18901 - IMAGING MATERIALS - PROCESSED SILVER-GELATIN TYPE BLACK-AND-WHITE FILMS - SPECIFICATIONS FOR STABILITY
Hardcopy , PDF
30-06-2010
English
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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
BS ISO 18901
| Committee |
CPW/42
|
| DocumentType |
Draft
|
| Pages |
29
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
| 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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