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This report presents the preparation and the certification of the sulphur content of six coal reference materials : low volatile steam coal (CRM 331), high volatile industrial coal (CRM 332), coking steam coal (CRM 333), anthracite (CRM 334), flame coal (CRM 335) and high volatile steam coal (CRM 336), as well as the homogeneity and stability studies. The analytical work leading to certification is also presented. The certified mass fractions for total sulphur in CRMs 331, 332, 333, 334, 335 and 336 respectively are : 4.99 mg/g, 9.61 mg/g, 13.44 mg/g, 16.09 mg/g, 50.8 mg/g and 32.90 mg/g.

Additional information

Authors: GRIEPINK B, CEC Bruxelles (BE);MAIER E A, CEC Bruxelles (BE);WILKINSON H C, Wingerworth, Chesterfield (GB)
Bibliographic Reference: EUR 12646 EN (1990) 35 pp., FS, ECU 5
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