New Coal CRMs
LECO is now offering QAR (Quality Assurance Resources LLC) Coal Certified Reference Material (CRM). QAR Coal CRM certificate values and uncertainties are confirmed and validated by the Quality Associates Internatioanl, LTD (Canada) Proficiency Testing program (CANSPEX-™) which includes up to 132 coal testing laboratories from around the world. In addition to the parameter values listed in the table below, the CRMs also have certificate values for the following parameters—sulfur forms, chlorine, flourine, selenium, and FSI (see organic supplies catalog for additional information).
QAR CRM Coal 1 (502-831) 50 g
| % S |
% VM |
% Ash |
% C |
% H |
% N |
BTU |
ppb Hg |
| 1.5 |
35.2* |
6.9 |
74.6* |
4.8 |
1.7 |
13093* |
121 |
QAR CRM Coal 2 (502-832) 50 g
| % S |
% VM |
% Ash |
% C |
% H |
% N |
BTU |
ppb Hg |
| 0.25 |
36* |
13.0 |
70.0* |
4.0 |
0.9 |
11771* |
0.03 |
QAR CRM Coal 3 (502-833) 50 g
| % S |
% VM |
% Ash |
% C |
% H |
% N |
BTU |
ppb Hg |
| 0.34 |
16.5* |
10.9 |
81.0* |
4.01 |
1.1 |
13862* |
45 |
QAR CRM Coal 4 (502-834) 50 g
| % S |
% VM |
% Ash |
% C |
% H |
% N |
BTU |
ppb Hg |
| 0.30 |
34.9* |
12.5 |
68.5* |
4.3 |
0.9 |
11661* |
37 |
QAR CRM Coal 5 (502-835) 50 g
| % S |
% VM |
% Ash |
% C |
% H |
% N |
BTU |
ppb Hg |
| 0.5 |
39.0* |
10.5 |
68.5* |
5.0 |
1.7 |
12000* |
0.03 |
QAR CRM Coal 6 (502-836) 50 g
| % S |
% VM |
% Ash |
% C |
% H |
% N |
BTU |
ppb Hg |
| 3.99 |
39.2* |
12.6 |
70.2* |
4.9 |
1.3 |
12604* |
97 |
QAR CRM Coal 7 (502-837) 50 g
| % S |
% VM |
% Ash |
% C |
% H |
% N |
BTU |
ppb Hg |
| 3.26 |
38.4* |
9.0 |
72.6* |
4.9 |
1.4 |
12918* |
58 |
QAR CRM Coal 8 (502-838) 50 g
| % S |
% VM |
% Ash |
% C |
% H |
% N |
BTU |
ppb Hg |
| 0.7 |
40.6* |
12.1 |
68.5* |
4.9 |
1.2 |
12000* |
0.04 |
QAR CRM Coal 9 (502-839) 50 g
| % S |
% VM |
% Ash |
% C |
% H |
% N |
BTU |
ppb Hg |
| 2.1 |
37.7* |
7.6 |
77.5* |
5.1 |
1.5 |
13833* |
132 |
*For information purposes only