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For Copper determination by the Porphyrin Method. Hach Method 8143 Range: 2 - 210 µg/L Cu. Sample Size: 10 mL Reagent set Includes Copper Masking Reagent Powder Pillows, Porphyrin 1 Reagent Powder Pil

For determination of Aluminum by the Eriochrome Cyanine R (ECR) Method. Hach Method 8326. Sample Size: 50 mL Range: 0.002 - 0.220 mg/L. Reagent set contains ECR Reagent Powder Pillows, Hexamethylenete

For determination of Manganese by the Periodate Oxidation Method. USEPA accepted for reporting wastewater analysis using Hach Method 8034. Range: 0.1 - 20.0 mg/L Mn. Sample Size: 10 mL. Reagent Set in

For determination of Zinc by the ZincoVer® Zincon method. USEPA approved for wastewater analysis (digestion is required for determining total zinc) using Hach Method 8009. Sample Size: 20 mL. Range: 0

For Aluminum determination by the Eriochrome Cyanine R Method. Hach method 8326. Sample size: 25 mL, Pack of 25 Powder Pillows.