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

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Zinc is a chemical element with the symbol Zn and ...

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Glutamic acid (symbol Glu or E;[4] the anionic for...

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

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Sulfur (also spelled sulphur in British English) i...

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LUX METER RT-932 R TEK Measuring Range 0~400k Lux...

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Histidine (symbol His or H)[2] is an essential ami...

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

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