This standard was last reviewed and confirmed in 2023.
Therefore this version remains current.
Abstract
PreviewThe 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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Status: PublishedPublication date: 1992-12
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Edition: 1Number of pages: 2
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- ICS :
- 37.040.30 Photographic chemicals
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| std 2 40 | Paper |
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