ISO 6849:1996

Podrobné informácie

Označenie: ISO 6849:1996

Dátum vydania: 07.11.1996

Stránok: 9

Krajina: Medzinárodná technická norma

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Anotácia

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.