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

Merck Buffer solutions traceable to SRM from NIST and PTB 10 x pH 4.01 (phthalate) 10 x pH .700 (phosphate) 10 x pH 10.00 (borate) pH 4.01/pH 7.00/pH 10.00(25°C) Certipur®

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

Merck Rubidium ICP standard traceable to SRM from NIST RbNO in HNO 2-3% 1000 mg/l Rb Certipur®

H₂O 'da 15.0 mg/L PO₄-P (toplam)
100 ml/paket

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

H₂O 'da 40.0 mg/L NO₂-N
100 ml/paket

Merck Certified sec. standard reference buffer solution potassium tetraoxalate dihydrate, directl y traceable to primary SRM from NIST/PTB pH(S) = 1.67 (25°C) Certipur®

Amonyum, klorür, COD, nitrat, fosfat, sülfat fotometrik metodların kalite kontrolleri için Spectroquant®
1 adet/paket

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

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

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