Merck Potassium chloride solution (nominal 1.41 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=0. 01 mol/l) Certipur®

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®

Merck Potassium chloride solution (nominal 12.8 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=0. 1 mol/l) Certipur®

H₂O 'da 50.0 mg/L TOC
100 ml/paket

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide solution), traceable to S RM from NIST and PTB pH 9.00 (25°C) Certipur®

 H₂O 'da 2000 mg/L COD
100 ml/paket

H₂O 'da 100 mg/L COD
100 ml/paket

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), coloured: blue traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®

Merck Buffer Solution (boric acid/potassium chloride/sodium hydroxide) colour coded: yellow, tr aceable to NIST and PTB pH 10.00 (20°C) Certipur®

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

Merck Nickel standard solution traceable to SRM from NIST Ni(NO ) in HNO 0.5 mol/l 1000 mg/l Ni Certipur®

H₂O 'da 12.0 mg/L N
100 ml/paket

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