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Colour fastness is a term—used in the dyeing of te...

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Cysteine (symbol Cys or C;[5] /ˈsɪstɪiːn/)[6] is a...

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Zinc, sometimes called spelter, [4] is a chemical ...

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In chemistry, the iodine value (IV; also iodine ab...

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Turbidity is the cloudiness or haziness of a fluid...

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A hydrometer or lactometer is an instrument used f...

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A hydrometer or lactometer is an instrument used f...

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A pH meter is a scientific instrument that measure...

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