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


Document Number: ISO 10136-5:1993
File Size: 636 kB
Language: English
Provider: ANSI
Shipping: Available for download - Link will be provided in My ComplianceOnline section

Price: $49.00
Product Details

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.

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