Merck Buffer solution (citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (20°C) Certipur®

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

Merck Aluminium ICP standard traceable to SRM from NIST Al(NO ) in HNO 2-3% 10000 mg/l Al Certipur®

H₂O 'da 200 mg/L COD

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 Ag 
100 ml/paket

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

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

Merck Vanadium ICP standard traceable to SRM from NIST NH VO in HNO 15% 10000 mg/l V Certipur®

Merck Sodium chloride volumetric standard, secondary reference material for argentometry, tra ceable to NIST SRM Certipur® Reag. Ph Eur,Reag.USP

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

Merck Sodium standard solution traceable to SRM from NIST NaNO in HNO 0.5 mol/l 1000 mg/l Na Certipur®