Merck Buffer Solution (di-sodium hydrogen phosphate/sodium hydroxide) traceable to SRM from NIST und PTB pH 12.00 (25°C) Certipur®

Merck Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=1. 0 mol/l) Certipur®

H₂O 'da 8000 mg/L COD
100 ml/paket

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

H₂O 'da 40.0 mg/L NO₂-N
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®

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

Merck Sodium tartrate dihydrate Certified Reference Material for Karl Fischer Titration 15.66% Aquastar®

Merck Lactose Standard 5 % Certified Reference Material for Karl Fischer Titration Aquastar®

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

H₂O 'da 0.500 mg/L SiO₂
100 ml/paket

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

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