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ISO 10136-5:1993

Glass and glassware - Analysis of extract solutions - Part 5: Determination of iron(III) oxide by molecular absorption spectrometry and flame atomic absorption spectrometry
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ISO 10136-5:1993

Glass and glassware - Analysis of extract solutions - Part 5: Determination of iron(III) oxide by molecular absorption spectrometry and flame atomic absorption spectrometry

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The principle of the method specified is reducing the iron in the extract solution, complexing, extracting the complex into chloroform and measurement of the optical density of the resulting colour complex by means of a molecular absorption spectrometer at 533 nm or evaporating with hydrofluoric and perchloric acids, dissolving of the residue in hydrochloric acid, measuring the absorption using a flame atomic absorption spectrometer at 248,3 nm. Measures the concentration of iron, expressed as its oxide Fe2O3. Applies to the analysis of extract solutions obtained from any kind of glass or glassware.

SDO ISO: International Organization for Standardization
Document Number ISO 10136
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 48/SC 5
Publish Date Document Id Type View
Not Available ISO 10136-5:1993 Revision