Description
Specifications Table
Product Name – COD Standard, 2000 mg/L COD Calibration Standard
Quantity/Pack Size – 500 ml
Form – Liquid
Grade – Analytical
Application – Chemical oxygen demand (COD) calibration, water quality testing
Product Overview
The 2000 mg/L COD calibration standard is a high-precision liquid solution designed for accurate chemical oxygen demand (COD) testing in laboratory environments. Formulated to meet analytical-grade specifications, this standard ensures reliable calibration of COD meters and testing equipment, providing consistent and reproducible results. The solution is prepared using high-purity reagents and undergoes rigorous quality control to maintain stability and accuracy over time. Its ready-to-use liquid form eliminates the need for dilution or preparation, saving time and reducing potential errors in lab procedures. The 2000 mg/L concentration is optimized for mid-to-high range COD measurements, making it suitable for a wide variety of water quality testing applications. The product is packaged in a durable, leak-proof container to prevent contamination and ensure long-term stability. Each batch is accompanied by a certificate of analysis, confirming its compliance with international standards for COD testing. The solution’s stability is maintained through proper storage conditions, ensuring consistent performance throughout its shelf life.
FAQs
1. What is the shelf life of this 2000 mg/L COD calibration standard?
The shelf life is typically 12 months from the date of manufacture when stored under recommended conditions.
2. Can this standard be used for both high and low-range COD measurements?
This 2000 mg/L concentration is best suited for mid-to-high range COD measurements. For low-range testing, dilution may be required.
3. What type of container is used for packaging this standard?
The solution is packaged in a high-density polyethylene (HDPE) bottle with a tamper-evident cap to ensure integrity.
4. Is this standard compatible with all COD testing methods?
It is compatible with most standard COD testing methods, including spectrophotometric and titrimetric procedures.
5. How should this standard be stored to maintain its accuracy?
Store in a cool, dry place away from direct sunlight, ideally between 15-25°C, with the cap tightly closed.










