Merck Buffer solution (potassium hydrogen phthalate), traceable to SRM from NIST and PTB pH 4.01 (25°C) Certipur®

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®

0.5 mol/l 1000 mg/L Ag 
100 ml/paket

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

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

H₂O 'da 500 mg/L TOC 
100 ml/paket

Merck Beryllium standard solution Be O(C H O ) in HNO 0.5 mol/l 1000 mg/l Be Certipur®

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

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

Merck Iron ICP standard traceable to SRM from NIST Fe(NO ) in HNO 10% 10000 mg/l Fe Certipur®

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

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 Pd
500 ml/paket