Description
Specifications Table
Product Name – COD standard, 50 mg/L COD calibration standard
Quantity/Pack Size – 500 ml
Form – Liquid solution
Grade – Analytical grade
Application – COD calibration, water quality testing
Product Overview
The 50mg/L COD calibration standard is a precision-formulated solution designed for accurate chemical oxygen demand (COD) measurements in laboratory settings. This analytical-grade standard ensures consistent and reliable calibration of COD testing equipment, eliminating variability in results. The solution is pre-mixed to a precise 50mg/L concentration, eliminating the need for manual dilution and reducing potential errors. Its stable formulation maintains integrity over time, providing long-term reliability for routine water quality analysis. The liquid form allows for easy handling and dispensing, while the 500ml pack size offers sufficient volume for multiple calibration cycles. This standard is particularly valuable for maintaining compliance with environmental regulations and quality control protocols. The solution’s composition is optimized to minimize interference from common contaminants, ensuring clean baseline measurements. Its compatibility with standard COD digestion methods makes it versatile for various testing protocols. The product undergoes rigorous quality control to guarantee batch-to-batch consistency, with each lot accompanied by a certificate of analysis. This calibration standard serves as an essential reference material for laboratories performing wastewater analysis, environmental monitoring, or industrial process control.
FAQs
1. What is the shelf life of this 50mg/L COD calibration standard?
The product maintains its specified concentration for 12 months from the date of manufacture when stored unopened at room temperature. Once opened, it should be used within 3 months for optimal accuracy.
2. Can this standard be used with all COD testing methods?
This calibration standard is compatible with most standard COD testing methods including closed reflux, colorimetric, and spectrophotometric techniques. Always verify compatibility with your specific testing protocol.
3. What precautions should be taken during storage?
Store the unopened bottle at room temperature (15-25°C) away from direct sunlight and heat sources. Keep the cap tightly closed when not in use to prevent contamination or concentration changes due to evaporation.
4. How does this compare to preparing standards in-house?
This pre-made standard eliminates preparation errors, ensures consistent concentration, and saves time compared to in-house preparation. It also comes with documented quality control that may be required for regulatory compliance.
5. What documentation comes with this calibration standard?
Each bottle includes a certificate of analysis detailing the exact concentration, lot number, expiration date, and quality control test results performed during manufacturing.
