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ISO 10697-2:1994

Current Revision

Steel -- Determination of calcium content by flame atomic absorption spectrometry -- Part 2: Determination of total calcium content

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The principle of the method specified is dissolving a test portion in hydrochloric and nitric acids, fusing the acid-insoluble residue with sodium carbonate, adding potassium chloride/lanthanum nitrate solution as a spectrochemical buffer, spraying the solution into a dinitrogen monoxide-acetylen flame, and spectrometrically measuring the atomic absorption of the 422,7 nm spectral line emitted by a calcium hollow cathode lamp. The method is applicable to calcium contents betwen 0,0005 % (m/m) and 0,005 % (m/m).


SDO ISO: International Organization for Standardization
Document Number ISO 10697
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO TC 17/SC 1
Publish Date Document Id Type View
Not Available ISO 10697-2:1994 Revision