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ISO 6849:1996

Photography — Processing wastes — Determination of boron

Nov 7, 1996

General information

90.93     Jun 5, 2021

ISO

ISO/TC 42

International Standard

37.040.30     13.030.30  

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Scope

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.

Life cycle

NOW

PUBLISHED
ISO 6849:1996
90.93 Standard confirmed
Jun 5, 2021

National adoptions

SSH ISO 6849:2000  
DPS

Photography — Processing wastes — Determination of boron

60.60 Standard published

DPS/KT 230 more