Specifies a method, the principle of which is based on acidification of a test portion with hydrochlorid acid, aspiration of the test solution into an acetylene-dinitrogen monoxide or acetylene-air-flame, and measurement of the absorption of the 422,7 nm line emitted by a calcium hollow-cathode lamp.

General information

  • Status :  Withdrawn
    Publication date : 1979-09
  • Edition : 1
    Number of pages : 4
  • :
    ISO/TC 47
  • 71.060.50

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