incl. NANOCONTROL 100+ standard addition. • Multistandard for the determination of Aluminium, Ammonium, Chloride, Iron, Manganese and Sulphate for checking the NANOCOLOR® tests 1-02, 0-98, 1-05, 1-20, 0-21, 1-36, 0-37, 1-60, 0-58 and 0-86. • Sufficient for: Standard solution: 15 - 30 determinations; Spike solution: 15 determinations. Checkable parameters and tests and concentrations of the standard solution: • Aluminium: Test 1-02 (Aluminium), 0.50 mg/l Al3+; Test 0-98 (Aluminium 07), 0.50 mg/l Al3+. • Ammonium: Test 1-05 (Ammonium), 0.20 mg/l NH4-N. • Chloride: Test 1-20 (Chloride), 20 mg/l Cl-; Test 0-21 (Chloride 50), 20 mg/l Cl-. • Iron: Test 1-36 (Iron), 1.50 mg/l Fe3+, Test 0-37 (Iron 3), 1.50 mg/l Fe3+. • Manganese: Test 1-60 (Manganese), 1.50 mg/l Mn2+; Test 0-58 (Manganese 10), 1.5 mg/l Mn2+. • Sulphate: Test 0-86 (Sulphate 200), 120 mg/l SO42-.