CombiCheck 20

 H₂O 'da 2000 mg/L COD
100 ml/paket

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

H₂O 'da 0.200 mg/L NO₂-N
100 ml/paket

Merck Tantalum ICP standard traceable to SRM from NIST (NH ) TaF in H O 1000 mg/l Ta Certipur®

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

Merck Buffer solution (glycine/sodium chloride/hydrogen chloride), traceable to SRM from NIST and PTB pH 1.00 (20°C) Certipur®

Merck Iron(II) ethylenediammonium sulfate Volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur

H₂O 'da 40.0 mg/L NO₃-N
100 ml/paket

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

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

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