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

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

 0.5 mol/l 1000 mg/L Co
500 ml/paket

Merck Certified sec. standard reference buffer solution di-sodium tetraborate decahydrate, directly traceable to primary SRM from NIST/PTB pH(S) = 9.18 (25°C) Certipur®

H₂O 'da 0.400 mg/l NH₄-N
100 ml/paket

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

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) colour: red traceable to SRM from NIST and PTB pH 4.00 (20 °C) Certipur®

Merck Buffer solution (Potassium tetraoxalate) traceable to SRM from NIST and PTB pH 1.68 (25°C) Certipur®

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (20°C) Certipur®

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 2.00 (20°C) Certipur®

H₂O 'da 0.250 mg/L NH₄
100 ml/paket

2 mol/l 1000mg/L Pt 
100 ml/paket

Merck Potassium ICP standard traceable to SRM from NIST KNO in HNO 2-3% 1000 mg/l K Certipur®