ریجنت پودری جهت اندازه گیری سولفات با روش SulfaVer® 4 turbidimetric SulfaVer® 4 Sulfate Reagent Powder Pillows, 10 mL, pk/100 For determination of sulfate by the SulfaVer® 4 turbidimetric method. USEPA accepted for reporting wastewater analysis using Hach Method 8051. Method: SulfaVer® 4. Range: 2 to 70 mg/L SO4. Sample Size: 10 mL. Pack of 100 Powder Pillows.