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

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

0.5 mol/l 1000 mg/L Al 
100 ml/paket

H₂O 'da 50.0 mg/l NH₄-N
100 ml/paket

Merck Holmium ICP standard traceable to SRM from NIST Ho O in HNO 2-3% 1000 mg/l Ho Certipur®

Merck Beryllium standard solution Be O(C H O ) in HNO 0.5 mol/l 1000 mg/l Be Certipur®

Merck Titanium ICP standard traceable to SRM from NIST (NH ) TiF in H O 1000 mg/l Ti Certi pur®

Merck Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

H₂O 'da 0.050 mg/L Mn
100 ml/paket

Merck Water Standard 0.01 % Certified Reference Material for Karl Fischer Titration 1 g 0.1 mg H O Aquastar®

Merck Water standard oil Certified Reference Material for Karl Fischer Titration (oil matrix 15- 30 ppm H2O) Aquastar®

H₂O 'da 8000 mg/L COD
100 ml/paket

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®