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ISO 18929:2012 Imaging materials - Wet-processed silver-gelatin type black-and-white photographic reflection prints - Specifications for dark storage >
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ISO 18929:2012 Imaging materials - Wet-processed silver-gelatin type black-and-white photographic reflection prints - Specifications for dark storage, 2012
- CVP_Secretariat_Loca
- SameLvl
- Annex G (informative) Discolouration of black-and-white photographic prints
- Annex H (informative) Densitometric versus spectrophotometric measurement of yellowing
- Bibliography
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Safety and operational precautions
- 4.1 Hazard warnings
- 4.2 Hazard information code system
- 4.3 Safety precautions
- 5 Requirements for physical stability of prints
- 5.1 Wedge brittleness
- 5.2 Tensile energy absorption (see Annex C)
- 5.3 Resin cracking of RC papers (see Annex D)
- 6 Requirements for processed image stability (see Annex E)
- 6.1 Residual thiosulfate concentration
- 6.2 Residual silver concentration
- 6.3 Yellowing limit (see Annex G)
- 7 LE designation
- 8 Test methods
- 8.1 Wedge brittleness
- 8.2 Tensile energy absorption
- 8.3 Yellowing
- 8.4 Residual silver compound test using cyanogen iodide (CNI) extraction
- 8.5 Residual silver compound test by use of sulfuric acid/nitric acid extraction
- 8.6 Resin cracking
- Annex A (informative) Stabilization treatments to prevent silver oxidation
- Annex B (informative) Potential silver-image discolouration of RC prints under display conditions
- Annex C (informative) Tensile energy absorption
- Annex D (informative) Environmental resin-cracking
- Annex E (informative) Effects of residual thiosulfate and silver in processed prints
- Annex F (informative) Degradation of silver images due to extraneous oxidation
- Annex G (informative) Discolouration of black-and-white photographic prints
- Annex H (informative) Densitometric versus spectrophotometric measurement of yellowing
- Bibliography [Go to Page]