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ACIRS (Australian Coal Industry Reference Samples) is a leading producer of reference materials for the Australian coal industry. 

Our reference materials are high quality, reliable and cost effective and are intended for routine use as an integral part of a coal testing laboratory’s quality control and quality assurance program.

Our reference materials have been prepared in accordance with the technical and production requirements of ISO 17034 and overseen by representatives.

General Coal Reference Materials, ACIRS-G9-2021 encompassing a wide range of test parameters.

Sulfur Reference Materials , ACIRS-S2A-2020, ACIRS-S2B-2015 and ACIRS-S2D-2016 complete our range of certified reference materials for total sulfur in coal.  ACIRS-S2B and ACIRS-S2D includes reference values for selected trace elements e.g. Hg, Cl, F. ACIRS-S2D includes an assigned value for ash at 18.0%. 

Trace Elements in Coal Reference Materials, ACIRS-M1-2014-LOT#2 & ACIRS-M2-2018 are coal matrix reference materials focussing on minor and trace elements. These samples compliment our Sulfur and General Coal Range of samples. 

Fly Ash Reference Material, ACIRS-A1-2016, with assigned values for ash fusibility, major and minor elements (NEW).

Hardgrove Grindability Reference Material, ACIRS-H8-2021, comprising a set of 4 Hardgrove reference samples for calibration and quality control purposes.

An additional ACIRS product is the Electrode Carbon, ACIRS-EC-2011, material used as an inert additive in Gray-King Coke Type tests.


Obtain a quotation, or purchase, by clicking on the product links below or navigate to the ACIRS Home page for more detailed information about ACIRS and its products.


Click here for ACIRS catalogue