Merck 170242 Tin standard solution traceable to SRM from NIST SnCl₄ in HCl 2 mol/l 1000 mg/l Sn Certipur 100 Ml

Merck 170313 Cobalt ICP standard traceable to SRM from NIST Co(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Co Certipur®

Synonyms: Nota 1 A

Merck 119797 Silver standard solution traceable to SRM from NIST AgNO₃ in HNO₃ 0.5 mol/l 1000 mg/l Ag Certipur®

Merck 170331 Magnesium ICP standard traceable to SRM from NIST Mg(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Mg Certipur®

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

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 119770 Aluminium standard solution traceable to SRM from NIST Al(NO₃)₃ in HNO₃ 0.5 mol/l 1000 mg/l Al Certipur®

Merck 170312 Chromium ICP standard traceable to SRM from NIST Cr(NO₃)₃ in HNO₃ 2-3% 1000 mg/l Cr Certipur®

Merck 119812 Ammonium standard solution traceable to SRM from NIST NH₄Cl in H₂O 1000 mg/l NH₄ 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 170302 Antimony ICP standard traceable to SRM from NIST Sb₂O₃ in HCl 7% 1000 mg/l Sb Certipur®

Synonyms: Nota 1 A

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 170223 Lithium standard solution traceable to SRM from NIST LiNO₃ in HNO₃ 0.5 mol/l 1000 mg/l Li Certipur®

Merck 101203 Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=0.01 mol/l) Certipur®

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

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 170236 Silicon standard solution traceable to SRM from NIST SiO₂ in NaOH 0.5 mol/l 1000 mg/l Si Certipur®