International Standard
ISO 3199:1975
Sodium chlorate for industrial use — Determination of chlorate content — Dichromate titrimetric method
Reference number
ISO 3199:1975
ISO 3199:1975
Edición 1
1975-02
1975-02
© ISO 2024
International Standard
p
ISO 3199:1975
8397
No disponible en español
Publicado
(Edición 1, 1975)
Esta norma se revisó y confirmó por última vez en 2019.
Por lo tanto, esta versión es la actual.
Resumen
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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