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In page Chemistry of ascorbic acid:

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  • In fluorescence microscopy and related fluorescence-based techniques, ascorbic acid can be used as an antioxidant to increase fluorescent signal and chemically retard dye photobleaching.[1]
  • It is also commonly used to remove dissolved metal stains, such as iron, from fiberglass swimming pool surfaces.[citation needed]
  • In plastic manufacturing, ascorbic acid can be used to assemble molecular chains more quickly and with less waste than traditional synthesis methods.[2]