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工商注册信息已核实!领域: | 饮用水及饮料 | ||
样品: | 饮料 | 项目: | 维生素C |
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检测维生素C(碘量法) |
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Titration
In a 100 or 150 mL beaker are added 50 ml sample and 2 ml of the Glyoxal solution. After 5 minutes 5 ml of the H2SO4 25 % are added. The mixture is directly titrated with the Iodine solution to an μA endpoint.