891 ERA PT Sulfide,892 ERA PT Surfactants-MBAS 891 ERA PT Sulfide, WP --------------------------1,060.00 RON Discount 10% = 954.00 RON One 10 mL flame-sealed ampule yields up to 1 liter after dilution. Preserved sample is guaranteed stable. Analyze for sulfide by titrimetric or colorimetric methods or ISE. Sulfide 2-10 mg/L Test lunar WP 314: opens –March 15, closes -April 29 892 ERA PT Surfactants-MBAS, WP -------------------------------1,030.00 RON Discount 10% = 927.00 RON One 15 mL screw-cap vial yields up to 2 liters after dilution. Surfactants - MBAS 0.2-1 mg/L Test trimestrial WP 314: opens –March 15, closes -April 29