Calibration Buffer pH 4 – 480 mL (Red)

High‑stability pH 4 buffer solution for calibration of pH meters used in science labs, classrooms and fieldwork.

Key Features

• pH 4 calibration buffer
• Colour‑coded red for easy identification
• Stable, long‑life formulation
• 480 mL laboratory bottle
• Ideal for pH meter calibration

Specifications

• Value: pH 4.00
• Volume: 480 mL
• Colour: Red
• Use: pH meter calibration