MN Nanocontrol® Multistandard seepage water incl. NANOCONTROL 100+ standard addition. Features: • Multistandard for the determination of COD, NO3-N, NH4-N and ortho-P for checking the NANOCOLOR® tests 0-06, 0-08, 0-23, 0-28, 0-66, 0-55 and 0-79. • Sufficient for: Standard solution: 15 - 300 determinations; Spike solution: 15 determinations. Checkable parameters and tests and concentrations of the standard solution: • Ammonium: Test 0-06 (Ammonium 200), 80 mg/l NH4-N; Test 0-08 (Ammonium 100), 40 mg/l NH4-N. • COD: Test 0-23 (COD 10000), 4.00 g/l CSB; Test 0-28 (COD 15000), 4.0 g/l CSB. • Nitrate: Test 0-66 (Nitrate 250), 30 mg/l NO3-N. • gesamt-P: Test 0-55 (total-Phosphate 45), 25.0 mg/l P. • ortho-P: Test 0-79 (ortho-Phosphate 50), 25.0 mg/l PO4-P.