Merck Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®

Merck Niobium ICP standard traceable to SRM from NIST NH NbF in H O 1000 mg/l Nb Certipur®

Merck Tungsten standard solution traceable to SRM from NIST (NH ) WO in H O 1000 mg/l W Certipur®

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

H₂O 'da 0.1000 mg/L SiO₂
100 ml/paket

Merck Potassium dichromate volumetric standard, secondary reference material for redox titrati on, traceable to NIST SRM Certipur® Reag. USP

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

H₂O 'da 100 mg/L COD
100 ml/paket

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

1000 mg/L Cl
500 ml/paket

Merck Mercury ICP standard traceable to SRM from NIST Hg(NO ) in HNO 10% 10000 mg/l Hg Certipur®

Merck Buffer Solution (citric acid, sodium hydroxide, hydrogen chloride) traceable to SRM from NIST and PTB pH 2.00 (25°C) Certipur®