Norm

ISO 2992:1974 en

Ammonium sulphate for industrial use - Determination of iron content - 2,2'- Bipyridyl photometric method

31,57

Over deze norm

Status Definitief
Aantal pagina's 3
Gepubliceerd op 01-04-1974
Taal Engels
Applicable to Fe contents of equal to or more than 0.0001 % (m/m). The reaction bases on the reduction of iron(III) by hydroxylammonium chloride. Formation of the complex between iron(II) and 2,2'-dipyridyl in a buffered medium (pH value between 4.5 and 6). Photometric measurement of the coloured complex at a wavelength of about 522 nm. Has also been approved by the IUPAC.

Details

ICS-code 71.060.50
Nederlandse titel Ammonium sulphate for industrial use - Determination of iron content - 2,2'- Bipyridyl photometric method
Engelse titel Ammonium sulphate for industrial use - Determination of iron content - 2,2'- Bipyridyl photometric method

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