Standard ISO 2992:1974 1.4.1974 preview

ISO 2992:1974

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

Automatically translated name:

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



STANDARD published on 1.4.1974


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The information about the standard:

Designation standards: ISO 2992:1974
Publication date standards: 1.4.1974
SKU: NS-430795
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: International technical standard
Category: Technical standards ISO

The category - similar standards:

Salts

Annotation of standard text ISO 2992:1974 :

Description / Abstract: 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.

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