Merck Selenium ICP standard traceable to SRM from NIST SeO in HNO 2-3% 1000 mg/l Se Certipur®
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Merck Silicon ICP standard traceable to SRM from NIST (SiO in NaOH 4 %) 10000 mg/l Si Certipur®
Merck Uranium ICP standard traceable to SRM from NIST UO (NO ) in HNO 2-3% 10 mg/l U Certipur®
Merck Zinc volumetric standard, secondary reference material for complexometry, traceable to NIST SRM Certipur® Reag. Ph Eur
Merck Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP
Merck Yttrium standard solution traceable to SRM from NIST Y(NO ) in HNO 0.5 mol/l 1000 mg/l Y Certipur®
Merck Potassium iodate volumetric standard, secondary reference material for iodometry, trace able to NIST SRM Certipur®
Merck Germanium ICP standard traceable to SRM from NIST (NH ) GeF in H O 1000 mg/l Ge Certipur®
Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride) traceable to SRM from NIST and PTB pH 4.00 (25°C) Certipur®
Merck Buffer solution (di-sodium hydrogen phosphate/ potassium dihydrogen phosphate), colour:yellow traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®
Alüminyum, Kurşun, Nikel, Çinko fotometrik metodların kalite kontrolleri için
Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®