Hanna Phosphorus CAL Check™ Standards - HI97706-11

Hanna HI97706-11 Phosphorus CAL Check Standards are high-quality calibration solutions specifically designed to verify and validate the performance of the HI97706 portable photometer. Engineered for accuracy and reliability, these standards enable precise phosphorus measurement within the range of 0.0 to 15.0 mg/L (ppm), making them ideal for laboratory, industrial, and field-based water analysis applications.

This calibration set includes sealed standards with certified values of 0.0 mg/L and 7.5 ±0.3 mg/L phosphorus at 25°C, ensuring dependable instrument validation across the working range. These standards are carefully formulated to provide consistent and repeatable results, helping users maintain confidence in measurement accuracy and compliance with quality control protocols.

Each set is supplied with a detailed Certificate of Analysis, which includes the lot number, certified reference values, and expiration date. This ensures full traceability and supports regulatory requirements for laboratory validation and documentation. The hermetically sealed vials preserve solution integrity, allowing for repeated use while maintaining stability over time.

Designed for convenience and efficiency, these reusable standards reduce operational costs and streamline calibration workflows. Their long shelf life and reliable formulation make them suitable for routine verification in high-frequency testing environments.

The HI97706-11 standards are widely used in water treatment facilities, environmental monitoring programs, industrial laboratories, and quality control settings where accurate phosphorus measurement is critical. They support calibration routines for ensuring instrument performance and data reliability in both field and laboratory conditions.

Each package contains one set of sealed standards (0.0 and 7.5 mg/L) along with a Certificate of Analysis, providing a complete solution for photometer calibration and validation. Enhance your analytical accuracy and maintain compliance with Hanna’s trusted CAL Check standards, designed for precision and reliability in professional testing environments.