Merck 119898 Phosphate standard solution traceable to SRM from NIST KH₂PO₄ in H₂O 1000 mg/l PO₄ Certipur 500 Ml

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

Merck 170302 Antimony ICP standard traceable to SRM from NIST Sb₂O₃ in HCl 7% 1000 mg/l Sb Certipur®

Synonyms: Nota 1 A

Merck 119500 Boron standard solution traceable to SRM from NIST H₃BO₃ in H₂O 1000 mg/l B Certipur®

Merck 119812 Ammonium standard solution traceable to SRM from NIST NH₄Cl in H₂O 1000 mg/l NH₄ 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 170236 Silicon standard solution traceable to SRM from NIST SiO₂ in NaOH 0.5 mol/l 1000 mg/l Si 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 170369 Zinc ICP standard traceable to SRM from NIST Zn(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Zn 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 199002 Buffer solution (potassium dihydrogen phosphate/di-sodium hydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

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 109987 Copper standard 1000 mg Cu, (CuCl₂ in H₂O) Titrisol®

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

Merck 170336 Nickel ICP standard traceable to SRM from NIST Ni(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Ni Certipur®

Merck 119899 Nitrite standard solution traceable to SRM from NIST NaNO₂ in H₂O 1000 mg/l NO₂ Certipur®

Synonyms: Nitrite standard for aqueous matrices ready foruse

Merck 119774 Barium standard solution traceable to SRM from NIST Ba(NO₃)₂ in HNO₃ 0.5 mol/l 1000 mg/l Ba Certipur®