Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide) traceable to SRM from NIST and PTB pH 10.00 (25°C) Certipur®

H₂O 'da 0.1000 mg/L SiO₂
100 ml/paket

Merck Tris(hydroxymethyl)aminomethane volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

Merck Buffer Solution (citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (25°C) Certipur®

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

H₂O 'da 100 mg/L N
100 ml/paket

Merck Scandium ICP standard traceable to SRM from NIST Sc O in HNO 7% 1000 mg/l Sc Certipur®

Merck Aluminium ICP standard traceable to SRM from NIST Al(NO ) in HNO 2-3% 10000 mg/l Al Certipur®

0.5 mol/l 1000 mg/L Mn
500 ml/paket

Merck Potassium iodate volumetric standard, secondary reference material for iodometry, trace able to NIST SRM Certipur®

Merck Buffer Solution (citric acid, sodium hydroxide, hydrogen chloride) traceable to SRM from NIST and PTB pH 2.00 (25°C) Certipur®

Merck di-Sodium tetraborate decahydrate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=9.18 (25°C) Certipur®

Merck Benzoic acid volumetric standard, secondary reference material for alkalimetry, traceabl e to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP