This standard was last reviewed and confirmed in 2018.
Therefore this version remains current.
Abstract
PreviewThe 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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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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| Format | Language | |
|---|---|---|
| std 1 40 | ||
| std 2 40 | Paper |
- CHF40
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