ISO 8557:1985

Aluminium ores — Determination of hygroscopic moisture in analytical samples — Gravimetric method

The method is applicable to products having hygroscopic moisture contents, expressed as water, between 0,1 and 5 % (m/m), and shall be used to correct the results obtained for aluminium and loss of mass at 1 075 °C to a dry basis. Specifies principle, material, apparatus, sampling and samples, procedure, expression of results and test report.