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Coal is one of the most important fossil fuels. In 20118, the global stone coal output was about 7 billion metric tons. A huge amount of the worldwide traded stone coal is mined in China, USA, Russia, and India. Compared to the very large amount of mined coal the required sample volume for the characterization of coal, varying from a few mg up to 1 gram, seems unbelievably small. Correct sampling and sample preparation is a must for any subsequent measurement.