Fluoride toothpaste.Modern toothpaste often contains fluoride (reduced form of fluorine) that is added to prevent tooth and gum disease. Pictured here is a Colgate toothpaste that contains 0.76% of sodium monofluorophosphate, Na2PO3F, (0.145 w/v fluoride). Photo Apr 2009.
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TOP22130905
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達志影像
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RM
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