ISO 10349-5:1992

This standard was last reviewed and confirmed in 2023. Therefore this version remains current.

Abstract

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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ISO 10349-5:1992

A standard is reviewed every 5 years
Stage: 90.93 (Confirmed)

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