Merck 170362 Tin ICP standard traceable to SRM from NIST SnCl₄ in HCl 7% 1000 mg/l Sn Certipur 100 Ml

Merck 170312 Chromium ICP standard traceable to SRM from NIST Cr(NO₃)₃ in HNO₃ 2-3% 1000 mg/l Cr Certipur®

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

Merck 170350 Selenium ICP standard traceable to SRM from NIST SeO₂ in HNO₃ 2-3% 1000 mg/l Se Certipur®

Merck 170242 Tin standard solution traceable to SRM from NIST SnCl₄ in HCl 2 mol/l 1000 mg/l Sn Certipur®

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 119785 Cobalt standard solution traceable to SRM from NIST Co(NO₃)₂ in HNO₃ 0.5 mol/l 1000 mg/l Co Certipur®

Synonyms: Nota 1 A

Merck 119533 Cyanide standard solution traceable to SRM from NIST K₂[Zn(CN)₄] in H₂O 1000 mg/l CN Certipur®

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

Merck 119796 Selenium standard solution traceable to SRM from NIST SeO₂ in HNO₃ 0.5 mol/l 1000 mg/l Se Certipur®

Synonyms: Selenium standard for aqueous matrices ready foruse

Merck 170353 Sodium ICP standard traceable to SRM from NIST NaNO₃ in HNO₃ 2-3% 1000 mg/l Na Certipur®

Merck 109435 Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur®

Merck 170355 Sulfur ICP standard traceable to SRM from NIST H₂SO₄ in H₂O 1000 mg/l S Certipur®

Merck 170329 Lithium ICP Standard traceable to SRM from NIST LiNO₃ in HNO₃ 2-3% 1000 mg/l Li 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 170238 Sodium standard solution traceable to SRM from NIST NaNO₃ in HNO₃ 0.5 mol/l 1000 mg/l Na Certipur®

Merck 109439 Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®