Hanna Chromium VI HR CAL Check™ Standards - HI97723-11

The set includes two sealed calibration cuvettes—one blank at 0 µg/L and another with a certified value of 300 ±10 µg/L at 25°C—offering essential calibration and verification points to confirm instrument accuracy. These sealed standards eliminate contamination risks and remove the need for reagent preparation, enabling quick, simple, and repeatable calibration checks both in the laboratory and in field conditions. This is particularly important in applications such as wastewater monitoring, industrial process control, and environmental compliance testing where reliable data is essential.

Manufactured under strict quality-controlled conditions, each set is supplied with a detailed Certificate of Analysis that includes lot number, certified reference values, and expiration date, ensuring full traceability and supporting audit and regulatory requirements. The reusable design provides long shelf life and cost efficiency, making it suitable for routine validation in high-frequency testing environments.

Widely used in environmental laboratories, water treatment facilities, industrial QA/QC processes, and research institutions, the HI97723-11 standards help ensure consistent, accurate, and compliant chromium VI analysis. With their dependable performance, ease of use, and traceable certification, they are an essential tool for professionals seeking reliable calibration and validation of photometric measurement systems Cal Check Standards