ISO 3623:1994-ed.2.0..
ISO 3628:1994-ed.2.0..
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ISO 10349-9:1992
Photography — Photographic-grade chemicals — Test methods — Part 9: Reaction to ammoniacal silver nitrate
Automatically translated name:
Photography -- Photographic-grade chemicals -- Test methods -- Part 9: Reaction to ammoniacal silver nitrate
STANDARD published on 30.12.1992
The information about the standard:
Designation standards: ISO 10349-9:1992
Publication date standards: 30.12.1992
SKU: NS-421918
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 10349-9:1992 :
Description / Abstract: 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.
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