Merck 119788 Magnesium standard solution traceable to SRM from NIST Mg(NO₃)₂ in HNO₃ 0.5 mol/l 1000 mg/l Mg Certipur 500 Ml

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

Merck 109433 Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 2.00 (20°C) Certipur®

Merck 119776 Lead standard solution traceable to SRM from NIST Pb(NO₃)₂ in HNO₃ 0.5 mol/l 1000 mg/l Pb Certipur®

Synonyms: Nota 1 A

Merck 109889 Buffer concentrate (boric acid/potassium chloride/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 9.00 ± 0.02 (20°C) Titrisol®

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 170328 Lead ICP standard traceable to SRM from NIST Pb(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Pb Certipur®

Synonyms: Nota 1 A

Merck 109438 Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (20°C) 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 170242 Tin standard solution traceable to SRM from NIST SnCl₄ in HCl 2 mol/l 1000 mg/l Sn 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 119781 Iron standard solution traceable to SRM from NIST Fe(NO₃)₃ in HNO₃ 0.5 mol/l 1000 mg/l Fe Certipur®

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

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

Merck 119789 Manganese standard solution traceable to SRM from NIST Mn(NO₃)₂ in HNO₃ 0.5 mol/l 1000 mg/l Mn Certipur®

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

Merck 170308 Calcium ICP Standard traceable to SRM from NIST Ca(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Ca Certipur®