Merck Selenium standard solution traceable to SRM from NIST SeO in HNO 0.5 mol/l 1000 mg/l Se Certipur®

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

Merck Aluminium ICP standard traceable to SRM from NIST Al(NO ) in HNO 2-3% 10000 mg/l Al Certipur®

H₂O 'da 1.00 mg/l NH₄-N
100 ml/paket

1000 mg/I Mo
500 ml/paket

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

Merck Buffer solution (boric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 8.00 (25°C) Certipur®

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) traceable to SRM from NIST and PTB pH 4.00 (25°C) Certipur®

Merck Calcium carbonate volumetric standard, secondary reference material for complexometr y, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP

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

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

10.0 mg/L TOC
100 ml/paket

Merck Buffer solution (citric acid/sodium hydroxide) traceable to SRM from NIST and PTB pH 5.00 (20°C) Certipur®