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