CombiCheck 70

Merck Arsenic ICP standard traceable to SRM from NIST H AsO in HNO 2-3% 1000 mg/l As Certipur®

H₂O 'da 4.00 mg/L PO₄-P (toplam)
100 ml/paket

Merck Tris(hydroxymethyl)aminomethane volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

1000 mg/L PO₄
500 ml/paket

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

Merck Buffer solution (di-sodium hydrogen phosphate/ potassium dihydrogen phosphate), colour:yellow traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

Merck Buffer Solution (citric acid, sodium hydroxide, hydrogen chloride) traceable to SRM from NIST and PTB pH 2.00 (25°C) Certipur®

Merck Water standard 0.1% Certified Reference Material for Karl Fischer Titration 1 g 1 mg H O Aquastar®

Merck Niobium ICP standard traceable to SRM from NIST NH NbF in H O 1000 mg/l Nb Certipur®

H₂O 'da 5.0 mg/L TOC 
100 ml/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 Rhodium standard 10 mg/l (Rhodium(III) nitrate in nitric acid 0.5 mol/l) internal standard for ICP-MS