We recommend you coal, coke and hearth waste standards produced by Polish accredited laboratory CLPB.
All samples are available in 50 g bottles. These CRMs have been prepared according to ISO 17034.
Catalogue No. | CLPB-WK 01/21 | CLPB-WK 03/20 | CLPB-OD 01/20 | CLPB-OD 02/22 | CLPB-K 02/20 |
Matrix | Coal | Coal | Hearth waste | Hearth waste | Coke |
Carbon % | 78,5 | 84,5 | 11,4 | 29,4 | |
Sulfur % | 0,88 | 0,5 | 0,25 | 1,7 | 0,57 |
Hydrogen % | 4,78 | 4,87 | |||
Nitrogen % | (1,35) | (1,13) | |||
Chlorine % | 0,14 | 0,13 | 0,04 | (0,05) | |
Phosphorus % | (0,010) | (0,060) | |||
Mercury mg/kg | 0,209 | (0,02) | 0,145 | (2,515) | |
Ash % | 8,41 | 3,65 | 88,48 | 67,68 | 9,59 |
Volatile matter % in 850°C | 30,67 | 29,52 | 0,67 | ||
Volatile matter % in 900°C | 31,34 | (30,54) | |||
Calorific value kJ/kg | 31949 | 3476 | 9495 | 29823 | |
Combustible matter % | 11,6 | 33,0 | |||
Non-combustible matter % | 88,4 | ||||
Ignition loss % | 11,67 |