CombiCheck 70

Merck Platinum ICP standard traceable to SRM from NIST H PtCl in HCl 7% 1000 mg/l Pt Certipur®

H₂O 'da 50.0 mg/L NO₃
100 ml/paket

Merck Cerium ICP standard traceable to SRM from NIST Ce(NO ) in HNO 2-3% 1000 mg/l Ce Certipur®

Merck Water standard 0.1% Certified Reference Material for Karl Fischer Titration 1 g 1 mg H O Aquastar®

Merck Sodium carbonate volumetric standard, secondary reference material for acidimetry, traceable to NIST SRM Certipur®

H₂O 'da0.200 mg/L Al
100 ml/paket

Merck Zinc ICP standard traceable to SRM from NIST Zn(NO ) in HNO 2-3% 1000 mg/l Zn Certipur®

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 3.00 (25°C) Certipur®

Merck Sodium hydrogen carbonate/sodium carbonate certified secondary standard reference material for Ph measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 10.01 (25°C) Certipur®

Merck Potassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; directly traceable to primary reference material from NIST/PTB pH (S) = 1.67 (25°C) Certipur®

Merck Buffer solution (glycine/sodium chloride/hydrogen chloride), traceable to SRM from NIST and PTB pH 1.00 (25°C) Certipur®

H₂O 'da 1.00 mg/L F
100 ml/paket