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Abstract Preview

The method is based on preparation of test samples and heavy metals standard solutions, preconditioning them, addition of sodium sulfide solution (for determination of heavy metals) or 1,10-phenanthroline reagent (for determination of iron), dilution with water, mixing well, transfer to two Nessler colour-comparison cylinders, and comparing the colour of both solutions.


General information

  • Status :  Published
    Publication date : 1992-12
  • Edition : 1
    Number of pages : 3
  • Technical Committee
    :
    ISO/TC 42
    Photography
  • ICS :
    37.040.30
    Photographic chemicals

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  • CHF38

Life cycle

A standard is reviewed every 5 years



Revisions / Corrigenda

  • Now confirmed
    ISO 10349-5:1992

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