Merck 109884 Buffer concentrate (citrate/hydrochloric acid), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 4.0

Merck 107294 Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate) traceable to SRM from NIST and PTB pH 6.88 (20° C) Certipur®

Merck 119897 Chloride standard solution traceable to SRM from NIST NaCl in H₂O 1000 mg/l Cl Certipur®

Synonyms: Chloride standard for aqueous matrices ready foruse

Merck 119806 Zinc standard solution traceable to SRM from NIST Zn(NO₃)₂ in HNO₃ 0.5 mol/l 1000 mg/l Zn 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 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 109437 Buffer solution (citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (20°C) Certipur®

Merck 109887 Buffer concentrate (phosphate), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 7.00 ± 0.02 (20°C) Titrisol®

Merck 170314 Copper ICP standard traceable to SRM from NIST Cu(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Cu 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 170333 Mercury ICP standard traceable to SRM from NIST Hg(NO₃)₂ in HNO₃ 10% 1000 mg/l Hg Certipur®

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

Merck 119811 Nitrate standard solution traceable to SRM from NIST NaNO₃ in H₂O 1000 mg/l NO₃ Certipur®

Synonyms: Nitrate standard for aqueous matrices ready for use

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

Merck 170355 Sulfur ICP standard traceable to SRM from NIST H₂SO₄ in H₂O 1000 mg/l S Certipur®

Merck 170362 Tin ICP standard traceable to SRM from NIST SnCl₄ in HCl 7% 1000 mg/l Sn Certipur®

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