ISO 10349-9:1992
Photography; photographic-grade chemicals; test methods; part 9: reaction to ammoniacal silver nitrate
- Standard No.
- ISO 10349-9:1992
- Release Date
- 1992
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 10349-9:1992
- Scope
- The method is based on weighing a test portion, dissolving it in water, transfer of the solution to each of two Nessler colour-comparison cylinders, preparing a test solution by adding freshly prepared ammoniacal silver nitrate solution to one of the Nessler cylinders and mixing well, preparing a blank solution by adding ammonium hydroxide solution and water to the other Nessler cylinder and mixing well, allowing the solutions to stand for 2 min, and comparing the colour and turbidity of the two solutions.
ISO 10349-9:1992 history
- 1992 ISO 10349-9:1992 Photography; photographic-grade chemicals; test methods; part 9: reaction to ammoniacal silver nitrate
