ISO 6849:1996

Podrobné informace

Označení: ISO 6849:1996

Datum vydání: 07.11.1996

Stran: 9

Země: Mezinárodní technická norma

Kde koupit?

Můžete zakoupit na eshop.normservis.cz

Anotace

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.