Determinarea continutului de metale grele, prin spectometrie de absorbtie atomica AAS, pentru urmatoarele domenii de concentratii: Cd - 0.4 - 2.0 µg/l; Pb - 5 - 50 µg/l; Ni - 5 - 50 µg/l; Cr - 2-20 µg/l; Cu - 3 - 30 µg/l; Fe - 50 - 2000 µg/l; Zn - 50 - 2000 µg/l; Mn - 50 - 2000 µg/l 1 X 590 ERA PT Metals, WS (apa potabila) -------------------------- 885.00 RON One 15 mL screw-cap vial yields up to 2 liters after dilution. Use with ICP-OES, ICP-MS and AA methods. Aluminum 130-1000 µg/L Antimony 6-50 µg/L Arsenic 5-50 µg/L Barium 500-3000 µg/L Beryllium 2-20 µg/L Boron 800-2000 µg/L Cadmium 2-50 µg/L Chromium 10-200 µg/L Copper 50-2000 µg/L Iron 100-1800 µg/L Lead 5-100 µg/L Manganese 40-900 µg/L Molybdenum 15-130 µg/L Nickel 10-500 µg/L Selenium 10-100 µg/L Silver 20-300 µg/L Thallium 2-10 µg/L Vanadium 50-1000 µg/L Zinc 200-2000 µg/L WS 289: opens – August 3, closes - September 17 Determinarea oxigenului dizolvat, domeniu: 1 - 20 mg/l; 1 X 212 ERA PT Dissolved Oxygen, WP ------------------------ 735.00 RON Oxygen, dissolved in water - 500mL. Oxygen, Dissolved 1-20 mg/L WP 309: opens – October 9, closes -November 23 Determinarea consumului biochimic de oxigen - CBO5, domeniu: 1 ÷ 6 mg O2/l Determinarea consumului chimic de oxigen - CCO Cr, domeniu: 50 ÷ 250 mg O2/l Determinarea carbonului organic dizolvat DOC, domeniu: 1 ÷ 5 mg C/l 1 X 578 ERA PT Demand, WP -------------------------------------------- 798.00 RON - Discount 10% = 718.20 RON One 15 mL screw-cap v