ISO 10349:1992
ISO 10349:1992 Photography – Photographic-grade chemicals – Test methods – Part 7: Determination of alkalinity or acidity
CDN $85.00
Description
The method is based on weighing the test portion, dissolution in carbon-dioxide-free water, adding phenolphthalein indicator, and observing the colour of the test solution: if the test solution turns pink, determination of the alkalinity, if it remains colourless, determination of the acidity.
Edition
1
Published Date
1992-12-30
Status
PUBLISHED
Pages
2
Language
English
Format
Secure PDF
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Abstract
The method is based on weighing the test portion, dissolution in carbon-dioxide-free water, adding phenolphthalein indicator, and observing the colour of the test solution: if the test solution turns pink, determination of the alkalinity, if it remains colourless, determination of the acidity.
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