pH 1.68 Standard pH Calibration Buffer Solution

The Apera Instruments AI1121 pH 1.68 Calibration Buffer Solution provides high-precision calibration for pH meters and testers. Standardized against NIST-certified pH references with ±0.01 pH accuracy at 25°C (77°F), this color-coded solution ensures reliable performance in both laboratory and field settings. Ideal for low pH calibration, it supports devices such as Apera PH60, PH700, PH800, and PC400S. A temperature/pH reference chart is printed on the bottle label to enhance measurement consistency.

Key Features

• High accuracy ±0.01 pH, NIST-certified standard at 25°C
• Color-coded for easy identification
• Compatible with pH meters recognizing pH 1.68, including PH60, PH700, PH800, PC400S
• Double-sealed packaging for long-term stability
• 2-year shelf life with printed expiration date
• Temperature/pH reference chart provided on label
• Non-hazardous, MSDS downloadable
• Certificate of analysis available upon request

Recommended Use

• Perfect for calibrating pH testers requiring pH 1.68 standard
• Ideal for acidic sample testing in labs, industrial settings, and educational applications

Storage Instructions

• Store at room temperature
• Avoid direct sunlight
• Keep bottle tightly sealed when not in use
• Keep out of reach of children