Merck 170302 Antimony ICP standard traceable to SRM from NIST Sb₂O₃ in HCl 7% 1000 mg/l Sb Certipur 100 Ml

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

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

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

Merck 109884 Buffer concentrate (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 4.00 ± 0.02 (20°C) Titrisol®

Merck 119773 Arsenic standard solution traceable to SRM from NIST H₃AsO₄ in HNO₃ 0.5 mol/l 1000 mg/l As Certipur®

Merck 119813 Sulfate standard solution traceable to SRM from NIST Na₂SO₄ in H₂O 1000 mg/l SO₄ Certipur®

Synonyms: Sulfate standard for aqueous matrices ready for use

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

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

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

Merck 170230 Potassium standard solution traceable to SRM from NIST KNO₃ in HNO₃ 0.5 mol/l 1000 mg/l K Certipur®

Merck 170301 Aluminium ICP standard traceable to SRM from NIST Al(NO₃)₃ in HNO₃ 2-3% 1000 mg/l Al 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 109987 Copper standard 1000 mg Cu, (CuCl₂ in H₂O) Titrisol®

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