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Determination of Inorganic Arsenic in a Wide Range of Food Matrices using Hydride Generation - Atomic Absorption Spectrometry.
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[The amount of sulphites in wild mushrooms from Iaşi and Suceava districts]

Claudia Butnaru1, Luminiţa Agoroaei, Cornelia Mircea

  • 1Universitatea de Medicină şi Farmacie Gr. T. Popa Iaşi, Facultatea de Farmacie, Disciplina de Toxicologie.

Revista Medico-Chirurgicala a Societatii De Medici Si Naturalisti Din Iasi
|June 19, 2007
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Amines to Sulfonamides: The Hinsberg Test01:23

Amines to Sulfonamides: The Hinsberg Test

The Hinsberg test is a method to identify primary, secondary and tertiary amines, named after its pioneer, Oscar Hinsberg. Here, amines are treated with benzenesulfonyl chloride, also known as the Hinsberg reagent, in the presence of an excess of aqueous base, followed by acidification. Based on the nature of the amines, different changes are observed.
Generally, a primary amine reacts with the Hinsberg reagent to produce an N-substituted benzenesulfonamide. The electron-withdrawing sulfonyl...