This standard was last reviewed and confirmed in 2021.
Therefore this version remains current.
Abstract
PreviewGives two methods for the determination of boron in photographic processing wastes. The first method is the estimation of borates by titration of the boric acid-mannitol complex. Suitable for boron concentrations of 0,1 mg/l and higher. The second alternative method is a spectrophotometric technique using methylene blue which can be used in the concentration range of 0,1 mg/l to 1,0 mg/l.
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| Format | Language | |
|---|---|---|
| std 1 61 | ||
| std 2 61 | Paper |
- CHF61
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