Nitrat standart çözeltisi CRM

H₂O 'da 40 mg/L SO₄
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 di-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=9.18 (25°C) Certipur®

0.5 mol/l 1000 mg/L Al 
100 ml/paket

Merck Buffer solution (di-sodium tetraborate), traceable to SRM from NIST and PTB pH 9.22 (20°C) Certipur®

1000 mg/L B
500 ml/paket

0.5 mol/l 1000 mg/L Si 
100 ml/paket

H₂O 'da 15.0 mg/L NO₃-N
100 ml/paket

Merck Samarium ICP standard traceable to SRM from NIST Sm O in HNO 2-3% 1000 mg/l Sm Certipur®

Klorür, COD fotometrik metodların kalite kontrolleri için Spectroquant®

Merck Thorium ICP standard traceable to SRM from NIST Th(NO ) in HNO 2-3% 10 mg/l Th Certipur®

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