Merck Mercury ICP standard traceable to SRM from NIST Hg(NO ) in HNO 10% 1000 mg/l Hg Certipur®

H₂O 'da 2.00 mg/l NH₄-N
100 ml/paket

Merck Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), colour: green traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide) traceable to SRM from NIST and PTB pH 10.00 (25°C) Certipur®

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 2.00 (20°C) Certipur®

Merck Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=0. 01 mol/l) Certipur®

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (20°C) Certipur®

Merck Tin ICP standard traceable to SRM from NIST SnCl in HCl 7% 1000 mg/l Sn Certipur®

H₂O 'da 200 mg/L COD

2 mol/l 1000 mg/L Sn
100 ml/paket

Merck Vanadium ICP standard traceable to SRM from NIST NH VO in HNO 2-3% 1000 mg/l V Certipur®

Merck Iron(II) ethylenediammonium sulfate Volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur

0.5 mol/l 1000 mg/L K
500 ml/paket