[4-(Pyridylazo)-resorcinol as an analytical reagent for the colorimetric determination of lead in food].
D003124:Colorimetry; D005502:Food / Q000737:chemistry*; D007202:Indicators and Reagents; D007854:Lead / Q000737:chemistry*; D012118:Resorcinols / Q000031:analogs & derivatives
D007202:Indicators and Reagents; D012118:Resorcinols; D007854:Lead; C031389:resorcinol
COLORIMETRY; FOOD/chemistry; INDICATORS AND REAGENTS; LEAD/chemistry; RESORCINOL/related compounds