Merck 170385 Sulfur ICP standard traceable to SRM from NIST H₂SO₄ in H₂O 10000 mg/l S Certipur 100 Ml

Merck 170342 Potassium ICP standard traceable to SRM from NIST KNO₃ in HNO₃ 2-3% 1000 mg/l K Certipur®

Merck 170362 Tin ICP standard traceable to SRM from NIST SnCl₄ in HCl 7% 1000 mg/l Sn 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 109437 Buffer solution (citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (20°C) Certipur®

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

Merck 170332 Manganese ICP standard traceable to SRM from NIST Mn(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Mn 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 119777 Cadmium standard solution traceable to SRM from NIST Cd(NO₃)₂ in HNO₃ 0.5 mol/l 1000 mg/l Cd Certipur®

Merck 170326 Iron ICP standard traceable to SRM from NIST Fe(NO₃)₃ in HNO₃ 2-3% 1000 mg/l Fe Certipur®

Merck 170353 Sodium ICP standard traceable to SRM from NIST NaNO₃ in HNO₃ 2-3% 1000 mg/l Na 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 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 170230 Potassium standard solution traceable to SRM from NIST KNO₃ in HNO₃ 0.5 mol/l 1000 mg/l K Certipur®

Merck 170314 Copper ICP standard traceable to SRM from NIST Cu(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Cu Certipur®

Merck 170226 Mercury standard solution traceable to SRM from NIST Hg(NO₃)₂ in HNO₃ 2 mol/l 1000 mg/l Hg Certipur®