Environmental impact of coal burning: New reference materials enable accurate measurement

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ERM-EF411, ERM-EF412 and ERM-EF413 releasaed

Three new certified reference materials to improve the quality of coal analysis have been developed by JRC IRMM for use in laboratory quality control and method validation.

Knowing the heating value and the trace element load is important to reduce the environmental impact of coal. Sulfur and trace elements from coal are sources of air-borne pollution.

The new reference materials, which are hard coal, brown coal and furnace coke, are certified for their heating value, ash, sulfur, chlorine and trace element content.

'These reference materials improve the quality of coal analysis, which provides accurate data for evaluating environmental impact,' says a JRC scientist. 'Heating value and sulfur and ash content also set the financial value of coals.'

Hard coal, brown coal (lignite) and furnace coke were produced in units of 50 g.

The certified values were established in two intercomparisons of laboratories of demonstrated competence. 22 laboratories submitted values, which were used to certify heating value, sulfur content, the mass fractions of mercury, lead, arsenic, antimony, selenium, nickel, cadmium and others.

The materials are available from JRC-IRMM and its authorised distributors as ERM-EF411 hard coal, ERM-EF412 brown coal and ERM-EF413 furnace coke.

A certification report is available from IRMM's website using the links above.

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