ISO 10349-9:1992
Photography — Photographic-grade chemicals — Test methods — Part 9: Reaction to ammoniacal silver nitrate
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
| Status | Current |
|---|---|
| Edition | 1992 |
| No. of Pages | 2 |
| ICS Classification | 37.040.30 Photographic chemicals |
| Committee | ISO/TC 42 |
| Available for Purchase | For sale in Singapore only |
| Adoption | ISO |