241 ERA PT Solids, WP --------------------------------------- 1040.00 RON One 500 mL whole-volume bottle is ready to analyze. The CRM is also certified for pH. For a pH PT, order Cat. #577. Total Suspended Solids 20-100 mg/L Total Dissolved Solids at 180°C 140-800 mg/L Total Solids at 105°C 140-800 mg/L Test lunar WP 307: opens – August 10, closes -September 24 Discount 20%- 1 buc, 888 ERA PT Nitrite, WP---------------------------------------- 760.00 RON One 15 mL screw-cap vial yields up to 2 liters after dilution. Nitrite as N 0.4-4 mg/L Test lunar WP 307: opens – August 10, closes -September 24 Discount 20%- 1buc, 579 ERA PT Complex Nutrients, WP ----------------------- 640.00 RON One 15 mL screw-cap vial yields up to 2 liters after dilution.. Total Kjeldahl Nitrogen 3-35 mg/L Total phosphorus as P 0.5-10 mg/L Test lunar WP 307: opens – August 10, closes -September 24 Discount 20%- 1buc, 4120 ERA PT Oil & Grease Concentrate, WP ---------- 810.00 RON One 23 mL screw-cap vial yields up to 2 liters after dilution. n-Hexane Extractable Material(O&G)(Grav) 20-200 mg/L Test lunar WP 307: opens – August 10, closes -September 24 Discount 20%- 1 buc, 584 ERA PT Simple Nutrients, WP --------------------------- 720.00 RON One 15 mL screw-cap vial yields up to 2 liters after dilution. Ammonia as N 1-20 mg/L Nitrate + Nitrite as N 2.5-25 mg/L Nitrate as N 2-25 mg/L ortho-Phosphate as P 0.5-5.5 mg/L Test lunar WP 307: opens – August 10, closes -September 24 Discount 20%- 1 buc