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

Merck Sulfur ICP standard traceable to SRM from NIST H SO in H O 1000 mg/l S Certipur®

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

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide) traceable to SRM from NIST and PTB pH 9.00 (25°C) Certipur®

H₂O 'da 1000 mg/L COD
100 ml/paket

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

Merck Buffer solution (acetic acid/sodium acetate) traceable to SRM from NIST and PTB pH 4.66 (20°C) Certipur®

Merck Buffer solutions traceable to SRM from NIST and PTB 10 x pH 4.01 (phthalate) 10 x pH .700 (phosphate) 10 x pH 10.00 (borate) pH 4.01/pH 7.00/pH 10.00(25°C) Certipur®

0.5 mol/l 1000 mg/L Al 
100 ml/paket

Merck Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) colour: red, traceable to SRM from NIST and PTB pH 4.00 (25 °C)

Merck di-Sodium oxalate volumetric standard, secondary reference material for redox titration, tra ceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP

Merck Potassium ICP standard traceable to SRM from NIST KNO in HNO 2-3% 10000 mg/l K Certipur®