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 Cd 
100 ml/paket

 0.5 mol/l 1000 mg/L Zn
500 ml/paket

Merck Buffer solution (di-sodium tetraborate) traceable to SRM from NIST and PTB pH 9.18 (25°C) Certipur®

0.5 mol/l 1000 mg/L Cd 
500 ml/paket

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

H₂O 'da 40.0 mg/L NO₂-N
100 ml/paket

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

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

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

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

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

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®