ISO 9501:1991
Metallurgical-grade fluorspar; determination of total sulfur content; iodometric method after combustion

Standard No.

ISO 9501:1991

Release Date

1991

Published By

International Organization for Standardization (ISO)

Status

Withdraw

Latest

ISO 9501:1991

Scope

The method given is applicable to fluorspars having sulfur contents in the range 0,01 % (m/m) to 1,0 % (m/m). Describes in detail: principle, reagents and materials, apparatus, test sample, procedure, expression of results, and test report. Annex A gives values of total sulfur content of metallurgical grade fluorspars obtained in interlaboratory trials using the iodometric method after combustion specified in this standard.

ISO 9501:1991 history

• 1991 ISO 9501:1991 Metallurgical-grade fluorspar; determination of total sulfur content; iodometric method after combustion