Hanna HI50091-02 pH 9.18 25°C Technical Calibration

Hanna HI50091-02 pH 9.18 25°C Technical Calibration

The Hanna HI50091-02 pH 9.18 25°C Technical Calibration provides a reliable and convenient solution for calibrating pH instruments in alkaline environments. With a pH value of 9.18 at 25°C, this buffer solution is supplied in 25 single-use sachets, each containing 20 mL of freshly sealed solution—ideal for field calibration and occasional use.

Key Features

NIST-Traceable with Certificate of Analysis

Hanna Instruments prepares each batch of buffer solution in compliance with NIST (National Institute of Standards and Technology) standards. Every sachet is accompanied by a Certificate of Analysis, ensuring quality, traceability, and measurement confidence.

Single-Use Sachets for Maximum Freshness

Each sachet delivers a precise volume of solution, sealed against light and air to maintain chemical integrity. Users enjoy the equivalent of opening a fresh bottle every time—eliminating contamination risks and ensuring calibration accuracy.

Ideal for Field and Occasional Use

Whether you’re performing on-site calibrations or lab-based quality control, the portable format ensures easy transportation and minimal waste. It’s particularly useful for those who calibrate infrequently or require high reliability in remote environments.

Applications

This buffer solution is specifically designed for:

• Water purification systems

• Food and beverage quality control

• Medical laboratories and diagnostics

• Aquaculture and hydroponics monitoring

• Any environment with alkaline pH expectations

Usage Recommendations

To maintain your pH instruments at peak performance:

• Store sachets at 25°C and protect from direct sunlight.

• Use a Hanna cleaning solution before calibration for optimal electrode response.

• Calibrate with a fresh sachet each time for reliable readings

• Labeled with batch number and expiration date

• Equipped with a pH-to-temperature correlation chart

• Tamper-proof sealed to block CO₂ and UV degradation

• Available in formats from 20 mL sachets to 1-gallon containers

Technical Specifications