title: [Rapid polarographic analysis of traces of sulfur dioxide in pectins].
mesh_terms: D010368:Pectins / Q000032:analysis*; D011048:Polarography; D013458:Sulfur Dioxide / Q000032:analysis*
chemical_list: D013458:Sulfur Dioxide; D010368:Pectins
vernacular_title: Dosage polarographique rapide de traces de dioxyde de soufre dans les pectines.