Vocab Bloom Hub

alpha-naphthol test

/ˈælfə ˈnæfθɒl tɛst/

1 entry

phrase

/ˈælfə ˈnæfθɒl tɛst/C1formalscientific
  • ruХимический тест, используемый для обнаружения углеводов, особенно сахаров, путём добавления альфа-нафтола и концентрированной серной кислоты для образования фиолетового кольца на границе раздела сред.

A chemical test used to detect the presence of carbohydrates, particularly sugars, by adding alpha-naphthol and concentrated sulfuric acid to produce a purple ring at the interface.

  1. Chemical test for carbohydratesC2formal

    A laboratory test used to detect the presence of carbohydrates, specifically sugars, in a sample. It is also known as Molisch's test.

    ruХимический тест на углеводы

    • The alpha-naphthol test gave a positive result for glucose.
    • In the lab, we performed the alpha-naphthol test on the unknown solution.
    • A purple ring at the interface indicates a positive alpha-naphthol test.