Coal standards

Coal standards with carbon, sulfur, hydrogen and nitrogen certified. Some of listed CRMs have oxygen, chlorine and mercury certified as well.

Catalogue No.C%S%H%N%O%Cl%Hg ppm
AR277379.700.523.130.6410.98(<0.01)
AR277569.690.415.091.00(17.5)(0.0011)
AR277668.880.812.761.03(5.5)(0.0385)
AR277868.210.812.700.96(6.09)(0.0388)
AR278065.033.044.381.23(6.99)(0.144)
AR278145.142.273.390.91(5.40)0.0769
AR278255.705.394.10(1.28)(9.89)(0.0282)
AR278372.320.542.030.90(3.24)(0.0224)
AR190869.004.641.490.00910.13
AR370179.181.505.23(1.70)(0.1645)0.07
The value in parentheses is a non-certified parameter