Gives 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.
Document identifier
ISO 6849:1996
Title
Photography - Processing wastes - Determination of boron
ISO Category
TC 42/WG 6: Photographic chemicals and processing
Publication date
1996-11-01
International Relationship
BS ISO 6849:1996 * BS ISO 6849:1996
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