Merck Silver ICP standard traceable to SRM from NIST AgNO in HNO 2-3% 1000 mg/l Ag Certipur®
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Merck Yttrium standard solution traceable to SRM from NIST Y(NO ) in HNO 0.5 mol/l 1000 mg/l Y Certipur®
Merck Certified sec. standard reference buffer solution di-sodium tetraborate decahydrate, directly traceable to primary SRM from NIST/PTB pH(S) = 9.18 (25°C) Certipur®
Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 2.00 (20°C) Certipur®
Merck Yttrium standard solution traceable to SRM from NIST Y(NO ) in HNO 0.5 mol/l 1000 mg/l Y Certipur®
Merck Thorium ICP standard traceable to SRM from NIST Th(NO ) in HNO 2-3% 10 mg/l Th Certipur®
Merck Titanium ICP standard traceable to SRM from NIST (NH ) TiF in H O 1000 mg/l Ti Certi pur®
Merck Gold ICP standard traceable to SRM from NIST H(AuCl ) in HCl 7% 1000 mg/l Au Certipur®
Merck Potassium hydrogen tartrate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 3.63 / pH(S) = 3.55 (25°C) Certipur®
Merck Buffer solution (di-sodium hydrogen phosphate/potassium dihydrogen phosphate), traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®
Merck Strontium standard solution traceable to SRM from NIST Sr(NO ) in HNO 0.5 mol/l 1000 mg/l Sr Certipur®