Merck Buffer solution (di-sodium hydrogen phosphate/ potassium dihydrogen phosphate), colour:yellow traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

H₂O 'da 10.0 mg/L Clˉ
100 ml/paket

Merck Sodium hydrogen carbonate/sodium carbonate certified secondary standard reference material for Ph measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 10.01 (25°C) Certipur®

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

Merck Scandium standard solution traceable to SRM from NIST Sc O in HNO 1 mol/l 1000 mg/l Sc Certipur®

0.5 mol/l 1000 mg/L Cd 
100 ml/paket

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

Merck Sodium ICP standard traceable to SRM from NIST NaNO in HNO 2-3% 1000 mg/l Na Certipur®

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

Merck Sodium carbonate volumetric standard, secondary reference material for acidimetry, traceable to NIST SRM Certipur®

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

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

Merck Buffer Solution (boric acid/potassium chloride/sodium hydroxide) colour coded: yellow, tr aceable to NIST and PTB pH 10.00 (20°C) Certipur®