Hanna Ammonia HR CAL Check™ Standards - HI97733-11

The set includes two sealed cuvettes—one for zero calibration and another containing a certified standard value of 25.0 ±1.0 mg/L ammonium (NH₄⁺) at 25°C. This configuration allows users to perform comprehensive calibration and verification procedures, ensuring that the photometer delivers accurate readings across its working range.

Each kit is supplied with a Certificate of Analysis, providing detailed information such as lot number, certified reference values, and expiration date. This ensures full traceability and supports compliance with Good Laboratory Practice (GLP) and quality assurance protocols. The sealed cuvettes are designed to prevent contamination and maintain long-term stability, allowing for repeated use without compromising accuracy.

Manufactured under strict quality control standards, these CAL Check™ solutions offer excellent shelf life and reproducibility, reducing the need for frequent replacements and lowering operational costs. Their ready-to-use format simplifies calibration procedures, saving time and minimizing user error during routine checks.

Widely used in water treatment facilities, environmental laboratories, industrial process monitoring, and research institutions, the HI97733-11 standards provide a dependable solution for maintaining photometer accuracy and ensuring regulatory compliance.

Enhance your calibration workflow with Hanna’s trusted standards, designed for precision, traceability, and long-term performance as part of Cal Check Standards