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Reference materials - Coals and Cokes

Get to know our ISO 9001 coal and coke reference materials

Elemental Microanalysis has a large range of ISO 9001 produced coal and coke reference materials:


Each group offers a differing set of analysis values, a simplified summary is detailed above. 

Certified analysis values in addition to % CHNOS such as ash, volatile matter, fixed carbon, British thermal unit BTU/lb, mineral analysis, sulfur forms and ash fusion temperatures offer additional laboratory calibration versatility. Proximate coal, green petroleum coke and ultimate coal reference materials can be used in thermogravimetric (TGA) analysers and calorimeters as well as combustion elemental analysers, all at one great price.

The coal and coke reference materials are supplied as finely ground powders, tested to ASTM specifications and are metrologically traceable through calibration to a primary standard e.g. NIST SRM 2682c (some exceptions). This information is provided on the certificate of analysis as well as expanded uncertainty for the values certified.

The full range of reference materials along with their current certified values can be downloaded from our website. With a range of 60 coal and coke reference materials to choose from, we will be able to fulfil your laboratorys requirements.

These standards are predominantly secondary measurement standards (ISO guide 30).

Available to order from our ISO 9001 factory online, by email, telephone or fax. Elemental Microanalysis offers extensive knowledge of analysis, over 40 years of experience and a worldwide reputation for excellence.

Additional Information available: Introduction 2.pdf
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ISO 17025:2017 ISO 9001:2015 ISO 17034:2016