产品特点：
QAR Certified Reference Materials
QAR Coal CRM certificate values and uncertainties are confirmed and validated by the Quality Associates International, LTD (Canada) Proficiency Testing program (CANSPEX™) which includes up to 132 coal testing laboratories from around the world.
订购信息：
| Part No. | Description | %S | % Volatile | %Ash | % C | %H | %N | BTU/lb. | ppm Cl | ppm F | ppb Hg | ppm Se | FSI | Contents |
| 502-831 | QAR CRM Coal 1 | 1.5 | 35.2* | 6.9 | 74.6* | 4.8 | 1.7 | 13093* | 3537 | 45 | 121 | 1.3 | 1.5 | 50 g |
| 502-832 | QAR CRM Coal 2 | 0.25 | 36* | 13 | 70.0* | 4 | 0.9 | 11771* | >0.01 | 81 | 0.03 | 0.67 | 1 | 50 g |
| 502-833 | QAR CRM Coal 3 | 0.34 | 16.5* | 10.9 | 81.0* | 4.01 | 1.1 | 13862* | 361 | 95 | 45 | 0.99 | 1.4 | 50 g |
| 502-834 | QAR CRM Coal 4 | 0.3 | 34.9* | 12.5 | 68.5* | 4.3 | 0.9 | 11661* | 57 | 65 | 37 | 0.67 | — | 50 g |
| 502-835 | QAR CRM Coal 5 | 0.5 | 39.0* | 10.5 | 68.5* | 5 | 1.7 | 12000* | >0.01 | 110 | 0.03 | 1 | 1 | 50 g |
| 502-836 | QAR CRM Coal 6 | 3.99 | 39.2* | 12.6 | 70.2* | 4.9 | 1.3 | 12604* | 521 | 72 | 97 | 1.5 | 4.5 | 50 g |
| 502-837 | QAR CRM Coal 7 | 3.26 | 38.4* | 9 | 72.6* | 4.9 | 1.4 | 12918* | 926 | 86 | 58 | 1.8 | 1.5 | 50 g |
| 502-838 | QAR CRM Coal 8 | 0.7 | 40.6* | 12.1 | 68.5* | 4.9 | 1.2 | 12000* | >0.01 | 75 | 0.04 | 0.99 | 1.5 | 50 g |
| 502-839 | QAR CRM Coal 9 | 2.1 | 37.7* | 7.6 | 77.5* | 5.1 | 1.5 | 13833* | 1008 | 66 | 132 | 1.1 | 7.8 | 50 g |
| 502-845 | QAR CRM Coal 10 | 0.67 | 3.8* | 8.02 | 87.3* | 1.8 | 0.88 | 13573* | 154 | 51 | 169 | 2 | — | 50 g |
| 502-846 | QAR CRM Coal 11 | 0.7 | 5.8* | 12.2 | 81.9* | 2.4 | 1.1 | 13197* | 202 | 86 | 112 | 2.5 | — | 50 g |
| *For information purposes only | ||||||||||||||
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