Merck Silicon ICP standard traceable to SRM from NIST SiO in NaOH 2 % 1000 mg/l Si Certipur®

2 mol/l 1000 mg/L Hg
500 ml/paket

H₂O 'da 50.0 mg/L TOC
100 ml/paket

Merck Buffer solution (potassium dihydrogen phosphate/disodium hydrogen phosphate) traceable to SRM from NIST and PTB pH 7.00 (25°C) Certipur®

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

Merck Buffer solution (glycine/sodium chloride/hydrogen chloride), traceable to SRM from NIST and PTB pH 1.00 (25°C) Certipur®

H₂O 'da 200 mg/L NO₃-N
100 ml/paket

Merck Calcium ICP Standard traceable to SRM from NIST Ca(NO ) in HNO 2-3% 1000 mg/l Ca Certipur®

 0.5 mol/l 1000 mg/L Co
500 ml/paket

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

Merck Buffer solution (citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (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

Merck Buffer solution (boric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 8.00 (25°C) Certipur®