ISO 3199:1975
ISO 3199:1975

Status : Published (Under review)

This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
Format Language
std 1 42 PDF
std 2 42 Paper
  • CHF42
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Not applicable to the analysis of mixtures for agricultural use such as herbicides or pesticides. Indicates the risk in handling with clorates. Dissolution of the test portion in water and reduction by a known quantity, in access, of an iron(II) salt in a sulphuric acid and orthophosphoric acid medium. Titration of the excess iron(II) salt with a standard volumetric solution of potassium dichromate in the presence of barium diphenylamine-4-sulphonate solution as indicator.

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General information

  •  : Published
     : 1975-02
    : International Standard confirmed [90.93]
  •  : 1
     : 2
  • ISO/TC 47
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