Merck Lithium ICP Standard traceable to SRM from NIST LiNO in HNO 2-3% 1000 mg/l Li Certipur®
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Merck Gold ICP standard traceable to SRM from NIST H(AuCl ) in HCl 7% 1000 mg/l Au Certipur®
Merck Sodium tartrate dihydrate Certified Reference Material for Karl Fischer Titration 15.66% Aquastar®
Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 10.00 (20°C) 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), colour: green traceable to SRM from NIST and PTB pH 7.00 (20°C) Certipur®
Merck Neodymium ICP standard traceable to SRM from NIST Nd O in HNO 2-3% 1000 mg/l Nd Certipur®
Merck Sodium carbonate volumetric standard, secondary reference material for acidimetry, traceable to NIST SRM Certipur®
Merck Tantalum ICP standard traceable to SRM from NIST (NH ) TaF in H O 1000 mg/l Ta Certipur®
Merck Buffer solution (di-sodium tetraborate), traceable to SRM from NIST and PTB pH 9.22 (20°C) Certipur®
Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 4.00 (20°C) Certipur®
Amonyum, klorür, COD, nitrat, fosfat, sülfat fotometrik metodların kalite kontrolleri için Spectroquant®
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