ISO 10349-5:1992
p
ISO 10349-5:1992
21262

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 

  •  :  Published
     : 1992-12
  •  : 1
     : 3
  •  : ISO/TC 42 Photography
  •  :
    37.040.30 Photographic chemicals

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