

The Spectroquant® COD Cell Test by Merck is a high-range photometric test designed to measure Chemical Oxygen Demand (COD) in water samples, ranging from 500 to 10,000 mg/L. COD is a critical parameter for assessing water quality, especially in wastewater treatment, industrial discharge, and environmental monitoring.
This test uses chromosulfuric acid oxidation, with results determined photometrically as chromium (III). It complies with DIN ISO 15705, and is analogous to EPA 410.4, APHA 5220 D, and ASTM D1252-06 B standards.
Each kit includes:
Compatible with:
Applications include:
Storage: 15–25°C
Hazards: Contains mercury; handle and dispose according to local regulations.


The Spectroquant® COD Cell Test by Merck is a high-range photometric test designed to measure Chemical Oxygen Demand (COD) in water samples, ranging from 500 to 10,000 mg/L. COD is a critical parameter for assessing water quality, especially in wastewater treatment, industrial discharge, and environmental monitoring.
This test uses chromosulfuric acid oxidation, with results determined photometrically as chromium (III). It complies with DIN ISO 15705, and is analogous to EPA 410.4, APHA 5220 D, and ASTM D1252-06 B standards.
Each kit includes:
Compatible with:
Applications include:
Storage: 15–25°C
Hazards: Contains mercury; handle and dispose according to local regulations.