Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (25°C) Certipur®

Merck Silicon ICP standard traceable to SRM from NIST (SiO in NaOH 4 %) 10000 mg/l Si Certipur®

2 mol/l 1000 mg/L Au 
500 ml/paket

H₂O 'da 40 mg/L SO₄
100 ml/paket

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

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

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

Merck Potassium iodate volumetric standard, secondary reference material for iodometry, trace able to NIST SRM Certipur®

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

Merck Selenium ICP standard traceable to SRM from NIST SeO in HNO 2-3% 1000 mg/l Se Certipur®

Merck Rhodium standard 10 mg/l (Rhodium(III) nitrate in nitric acid 0.5 mol/l) internal standard for ICP-MS

Merck Tantalum ICP standard traceable to SRM from NIST (NH ) TaF in H O 1000 mg/l Ta Certipur®

Merck Rubidium ICP standard traceable to SRM from NIST RbNO in HNO 2-3% 1000 mg/l Rb Certipur®