Merck 170332 Manganese ICP standard traceable to SRM from NIST Mn(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Mn Certipur 100 Ml

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 109409 Buffer solution (boric acid/potassium chloride/sodium hydroxide)traceable to SRM from NIST and PTB pH 10.00 (25°C) Certipur®

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 109434 Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (20°C) Certipur®

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

Merck 170369 Zinc ICP standard traceable to SRM from NIST Zn(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Zn Certipur®

Merck 170333 Mercury ICP standard traceable to SRM from NIST Hg(NO₃)₂ in HNO₃ 10% 1000 mg/l Hg Certipur®

Merck 109892 Buffer concentrate (phosphate/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 12.00 ± 0.05 (20°C) Titrisol®

Merck 119507 Sodium standard solution traceable to SRM from NIST NaNO₃ in H₂O 1000 mg/l Na Certipur®

Merck 101557 Potassium chloride solution (nominal 0.147 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=0.001 mol/l) Certipur®

Merck 119814 Fluoride standard solution traceable to SRM from NIST NaF in H₂O 1000 mg/l F Certipur®

Synonyms: Fluoride standard for aquecous matrices ready for use

Merck 170308 Calcium ICP Standard traceable to SRM from NIST Ca(NO₃)₂ in HNO₃ 2-3% 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 119773 Arsenic standard solution traceable to SRM from NIST H₃AsO₄ in HNO₃ 0.5 mol/l 1000 mg/l As Certipur®

Merck 170301 Aluminium ICP standard traceable to SRM from NIST Al(NO₃)₃ in HNO₃ 2-3% 1000 mg/l Al 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