COD (KOİ) standart çözeltisi CRM

0.5 mol/l 1000 mg/L Cd 
500 ml/paket

Merck Water Standard Oven 1% Certified Reference Material for Karl Fischer oven technique Aquastar®

0.5 mol/l 1000 mg/L Si 
500 ml/paket

1000 ± 10 mg/L TOC
1 adet/ paket 100 ml

Kadmiyum, Demir, Bakır, Manganez fotometrik metodların kalite kontrolleri için Spectroquant®
1 adet/paket

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

Merck Buffer solution (citric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 2.00 (20°C) Certipur®

H₂O 'da 200 mg/L TOC 
100 ml/paket

Merck Buffer solution (boric acid/potassium chloride/sodium hydroxide), traceable to SRM from NIST and PTB pH 9.00 (20°C) Certipur®

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

H₂O 'da 12.0 mg/L N
100 ml/paket

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