Merck Zinc volumetric standard, secondary reference material for complexometry, traceable to NIST SRM Certipur® Reag. Ph Eur

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

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

1000 mg/L B
500 ml/paket

Merck Gold ICP standard traceable to SRM from NIST H(AuCl ) in HCl 7% 1000 mg/l Au Certipur®

Merck Calcium carbonate volumetric standard, secondary reference material for complexometr y, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP

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

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

Merck Buffer solutions (boric acid/potassium chloride/sodium hydroxide), traceable to SRM fro m NIST and PTB pH 11.00 (25°C) Certipur®

Merck Water Standard Oven 1% Certified Reference Material for Karl Fischer oven technique Aquastar®

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide) colour coded: blue, trac eable to NIST and PTB pH 10.00 (25°C) Certipur®

Merck Buffer Solution (boric acid, sodium hydroxide, potassium chloride) traceable to SRM from NIST and PTB pH 11.00 (25°C) Certipur®

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