Active standard | Published: 07/11/1996

ISO 6849:1996

Photography — Processing wastes — Determination of boron
(Photographie — Effluents de traitement — Détermination du bore)

Available languages: English

Available design: electronic design (pdf), Print design

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Detail information

Designation: ISO 6849:1996

Publication date: 07/11/1996

Pages: 9

Country: International technical standard

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Anotation

Description / Abstract: 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.

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