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Standard [CURRENT]

DIN EN 10200:2013-01

Chemical analysis of ferrous materials - Determination of boron in steels - Spectrophotometric method; German version EN 10200:2012

German title
Chemische Analyse von Eisenwerkstoffen - Bestimmung von Bor in Stahl - Spektralphotometrisches Verfahren; Deutsche Fassung EN 10200:2012
Publication date
2013-01
Original language
German
Pages
16

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Publication date
2013-01
Original language
German
Pages
16
DOI
https://dx.doi.org/10.31030/1921832

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Overview

This European Standard describes a spectrophotometric method for the determination of boron in steel. The method is applicable to non-alloyed and alloyed steels with a mass fraction of boron of 0,000 4 to 0,012 0 % (m/m). The principle is as follows: The test portion is dissolved in hydrochloric and nitric acids. Boron compounds (nitrides, etcetera) are decomposed with orthophosphoric and sulphuric acids at 290 °C. The complex formed between boric acid and curcumin is measured spectrophotometrically in buffered acetic medium at a wavelength of 543 nm. The committee responsible for this standard is NA 021-00-30 AA "Analysenverfahren" ("Methods of chemical analysis") at DIN.

Content
ICS
77.040.30
DOI
https://dx.doi.org/10.31030/1921832
Replacement amendments

This document replaces DIN EN 10200:1992-05 .

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