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Chemistry: extracting oxygen from potassium chlorate

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Product Description

A simple device to extract oxygen from potassium chlorate. The potassium chlorate was heated in a flask and the resulting gas was collected in a closed cylinder immersed in water, where the water acted as a sealant to prevent air from contaminating the product. To speed up the reaction and lower the oxide melting point some manganese dioxide was often added to the potassium chlorate.

JPG Raster, 3.59 MB

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