ریجنت ست برای تعیین مقدار سرب با روش دیتیزون Lead Reagent Set, Dithizone Method, (No Air Shipments) For determination of lead by the Dithizone extraction method. USEPA accepted for reporting for wastewater analysis using Hach Method 8033. Range: 3 to 300 µg/L Pb. Set Includes reagents for 100 tests.