ISO-6849 › Photography - Processing wastes - Determination of boron

ISO-6849 - 1ST EDITION - CURRENT


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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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13.030.30 (Special wastes Including radioactive wastes, hospital wastes, carcasses, and other hazardous wastes)

37.040.30 (Photographic chemicals)

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Document Number

ISO 6849:1996

Revision Level

1ST EDITION

Status

Current

Publication Date

Nov. 1, 1996

Committee Number

ISO TC 42/WG 6