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sklademVydáno: 1992
ISO 10349-10:1992
ISO 10349-10:1992-Photography — Photographic-grade chemicals — Test methods-Part 10: Determination of sulfide content
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Označení normy: | ISO 10349-10:1992 |
Počet stran: | 2 |
Vydání: | 1 |
Vydáno: | 1992 |
Jazyk: | Anglicky |
DESCRIPTION
ISO 10349-10:1992
The method is based on weighing a test portion, dissolution in water, transfer to one of the Nessler colour-comparison cylinders, pipetting the volume of sulfide standard into the second Nessler colour-comparison cylinder, addition of alkaline lead solution, making up with water, mixing thoroughly, and comparing the colour and clarity of the two solutions.