Azot (toplam) standart çözeltisi CRM

Merck Tris(hydroxymethyl)aminomethane volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP

Merck Buffer Solution (citric acid, sodium hydroxide, hydrogen chloride) traceable to SRM from NIST and PTB pH 2.00 (25°C) Certipur®

H₂O 'da 100 mg/L COD
100 ml/paket

 H₂O 'da 20.0 mg/L COD
100 ml/paket

H₂O 'da 200 mg/L COD

H₂O 'da 4.00 mg/L PO₄-P (toplam)
100 ml/paket

Klorür, COD fotometrik metodların kalite kontrolleri için Spectroquant®

Merck Potassium chloride solution (nominal 12.8 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=0. 1 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 400 mg/L COD
100 ml/paket

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

Pipetlerin hacimleri için kontrol Solüsyonu (4x6 hücre) ve referans solüsyonu (4 hücre ) Spectroquant®
1 adet/paket