Measuring the ash content of coal

Coal's quality diminishes as its level of ash content increases, so being able to take accurate measurements is critical. Paul Taylor looks at the developments and innovation in the technology used.

The Ash Probe is a hand-portable device which measures the ash content of conveyed coal. Credit: Bretby Gammatech
The Ash Probe is a hand-portable device which measures the ash content of conveyed coal. Credit: Bretby Gammatech

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