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

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 Potassium dichromate volumetric standard, secondary reference material for redox titrati on, traceable to NIST SRM Certipur® Reag. USP

0.5 mol/l 1000 mg/L Fe
100 ml/paket

Merck Sodium tartrate dihydrate Certified Reference Material for Karl Fischer Titration 15.66% Aquastar®

Merck Beryllium ICP standard traceable to SRM from NIST Be O(C H O ) in HNO 2- 3% 1000 mg/l Be Certipur®

1000 mg/L F 
500 ml/paket

1000 mg/I Mo
500 ml/paket

Merck Buffer solutions (boric acid/potassium chloride/sodium hydroxide), traceable to SRM fro m NIST and PTB pH 11.00 (25°C) Certipur®

Merck Lithium standard solution traceable to SRM from NIST LiNO in HNO 0.5 mol/l 1000 mg/l Li Certipur®

H₂O 'da 25.0 mg/L TOC
100 ml/paket

Merck Certified sec. standard reference buffer solution potassium hydrogen phthalate directly traceable to primary SRM from NIST/PTB pH (S) = 4.00 (25°C) Certipur®

Merck Certified sec. standard reference buffer solution potassium dihydrogen phosphate/di- sodium hydrogen phosphate, directly traceable to primary SRM from NIST/PTB pH(S) = 6.86 (25°C) Certipur®