Description
Specifications Table
Product Name – COD standard, 500 mg/L COD calibration standard
Quantity/Pack Size – 500 ml
Form – Liquid
Grade – Analytical
Application – Water quality testing, COD analysis
Product Overview
The 500 mg/L COD calibration standard is a high-precision solution designed for accurate chemical oxygen demand (COD) measurements in laboratory and field applications. This analytical-grade standard ensures consistency and reliability in water quality testing, providing a stable reference for calibrating COD meters and photometers. Formulated with high-purity reagents, it minimizes interference and delivers reproducible results, making it ideal for environmental monitoring, wastewater treatment, and industrial process control. The solution is pre-diluted to 500 mg/L, eliminating the need for manual preparation and reducing the risk of errors. Its long shelf life and resistance to degradation ensure cost-effective performance over extended use. Compatible with most standard COD testing protocols, this calibration standard adheres to international quality norms, offering traceability and compliance with regulatory requirements. Whether used in routine lab testing or critical research, this product guarantees precision and confidence in COD analysis.
FAQs
1. What is the shelf life of the 500 mg/L COD calibration standard?
When stored unopened in a cool, dark place, the standard remains stable for up to 12 months from the date of manufacture.
2. Can this standard be used with all COD testing methods?
Yes, it is compatible with most spectrophotometric and titrimetric COD testing methods, including closed reflux and colorimetric techniques.
3. How should I store this calibration standard to maintain accuracy?
Store the sealed bottle at 15–25°C, away from direct sunlight and moisture. Avoid freezing or exposure to heat sources.
4. Is this standard traceable to national or international reference materials?
The product is manufactured under ISO guidelines and traceable to NIST or equivalent reference standards for accuracy.
5. What precautions should I take while handling this solution?
Wear appropriate PPE, including gloves and goggles, as the solution contains strong oxidizing agents. Avoid skin contact and inhalation.
