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Powdered or small-lumped clay is poured into the top and split, half going into each pan below. The cycle is repeated until the desired sample size is achieved. The objective is a representative sample. This is especially important in particle size distribution testing but also for any other kind of testing to evaluate the suitability or consistency of a batch or sample.

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Repeat a cycle of layering to create a pile of material, quartering it, removing opposite quarters and remixing. Do this until the amount needed for testing is achieved.
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Representative Sample
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