The material for this CURM was prepared by Hot Isostatic Pressing (HIPping) to provide material of uniform composition in a form suitable for use as a Reference Material (RM) for Optical Emission Spectrometric analysis. Discs have been shown, by statistically designed procedures, to provide reproducible results using Optical Emission Spectrometry. CURM H30.24 is sold as a HIPped disc, approximately 35mm diameter x 10mm thick. Spectroscopic reproducibility has been shown to be reliable to a depth of 5mm below the original working surface of the disc, and the sample should therefore be discarded when the thickness is reduced to 5mm. This CURM is also available, if required, as turnings, supplied in bottles of 100g.

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