International Organization for Standardization (ISO)
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ISO 6129:1981
Scope
The method is intended to be carried out simultaneously with the determination of other constituents of the same analytical sample so that the contents of the other constituents can be calculated on the basis of the absolutely dry ore. ISO 6129 should be read in conjunction with ISO 6629.
ISO 6129:1981 history
1981ISO 6129:1981 Chromium ores; Determination of hygroscopic moisture content in analytical samples; Gravimetric method