ISO 3199:1975 (R2025)
Active , Reaffirmed Standard
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ISO 3199:1975 (R2025)

Sodium chlorate for industrial use — Determination of chlorate content — Dichromate titrimetric method

Summary

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.

Notes

90.60 : Clôture de l'examen

Technical characteristics

Publisher International Organization for Standardization (ISO)
Publication Date 02/01/1975
Confirmation Date 02/14/2025
Edition 1
Page Count 2
EAN ---
ISBN ---
Weight (in grams) ---
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