Merck 170331 Magnesium ICP standard traceable to SRM from NIST Mg(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Mg Certipur 100 Ml

Merck 119898 Phosphate standard solution traceable to SRM from NIST KH₂PO₄ in H₂O 1000 mg/l PO₄ Certipur®

Synonyms: Phosphate standard for aqueous matrices ready for use

Merck 170303 Arsenic ICP standard traceable to SRM from NIST H₃AsO₄ in HNO₃ 2-3% 1000 mg/l As Certipur®

Merck 109949 Magnesium standard 1000 mg Mg, (MgCl₂ in 6% HCl) Titrisol®

Merck 119811 Nitrate standard solution traceable to SRM from NIST NaNO₃ in H₂O 1000 mg/l NO₃ Certipur®

Synonyms: Nitrate standard for aqueous matrices ready for use

Merck 170204 Antimony standard solution traceable to SRM from NIST Sb₂O₃ in HCl 2 mol/l 1000 mg/l Sb Certipur®

Synonyms: Nota 1 A

Merck 109437 Buffer solution (citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (20°C) Certipur®

Merck 119777 Cadmium standard solution traceable to SRM from NIST Cd(NO₃)₂ in HNO₃ 0.5 mol/l 1000 mg/l Cd Certipur®

Merck 119779 Chromium standard solution traceable to SRM from NIST Cr(NO₃)₃ in HNO₃ 0.5 mol/l 1000 mg/l Cr Certipur®

Merck 101203 Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=0.01 mol/l) Certipur®

Merck 109438 Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (20°C) Certipur®

Merck 170313 Cobalt ICP standard traceable to SRM from NIST Co(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Co Certipur®

Synonyms: Nota 1 A

Merck 119778 Calcium standard solution traceable to SRM from NIST Ca(NO₃)₂ in HNO₃ 0.5 mol/l 1000 mg/l Ca Certipur®

Merck 109477 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 109432 Buffer solution (glycine/sodium chloride/hydrogen chloride), traceable to SRM from NIST and PTB pH 1.00 (20°C) Certipur®

Merck 109460 Buffer solution (boric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 8.00 (20°C) Certipur®

Merck 119781 Iron standard solution traceable to SRM from NIST Fe(NO₃)₃ in HNO₃ 0.5 mol/l 1000 mg/l Fe Certipur®