Hanna Zinc CAL Check™ Standards - HI97731-11

Hanna Zinc CAL Check Standards HI97731-11 are expertly crafted calibration and validation standards specifically designed for the HI97731 portable photometer. This set includes two sealed standard vials with zinc concentrations of 0.00 mg/L and 1.50 mg/L, allowing laboratories and industrial facilities to verify instrument performance and compliance with rigorous quality standards. Each set is accompanied by a Certificate of Analysis, providing essential traceability information including batch/lot number, reference values, and expiration date. The HI97731-11 standards deliver high accuracy with a standard value of 1.50 ±0.020 mg/L zinc at 25℃, making them essential for critical calibration routines in water analysis and environmental monitoring applications.

• Supplied as a set including sealed standards for 0.00 mg/L and 1.50 mg/L zinc concentration.
• Each set comes with a detailed Certificate of Analysis for traceability and QA documentation.
• Ensures reliable photometer calibration to maintain measurement accuracy.
• Reusable standards with a long shelf-life and stable chemical formulation.
• Ideal for laboratory, field, industrial, and environmental water testing quality control.
• Standard value: 1.50 ±0.020 mg/L zinc at 25℃ for high-precision performance.
• Packaged securely for transport and storage stability.
• Compatible with the HI97731 portable photometer series only.

These CAL Check Standards are widely used in laboratories, water treatment plants, industrial facilities, quality assurance, and environmental monitoring programs for compliance and instrument validation.

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