Arsenik standart çözeltisi

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

H₂O 'da 0.1000 mg/L SiO₂
100 ml/paket

0.2 - 2.0 mg/L
8-16 test/paket

Merck Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=0. 001 mol/l) 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

Merck Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=1. 0 mol/l) Certipur®

Merck Bismuth standard solution traceable to SRM from NIST Bi(NO ) in HNO 0.5 mol/l 1000 mg/l Bi Certipur®

Merck Buffer solution (citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (20°C) Certipur®

Merck Sodium ICP standard traceable to SRM from NIST NaNO in HNO 2-3% 1000 mg/l Na 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 Water Standard Oven 1% Certified Reference Material for Karl Fischer oven technique Aquastar®

Merck Thulium ICP standard traceable to SRM from NIST Tm(NO ) in HNO 2-3% 1000 mg/l Tm Certipur®