ORP 225mV Calibration Solution


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Atlas Scientific ORP calibration solution, also know as Zobells solution maintains a constant 225mv, perfect for ORP probe calibration. Storing it below 16°C or 60°F will greatly extend its shelf life.

• 125mL
• 225 ±2.0mV at 25°C
• Good for 30 days after opening
• Keep refrigerated for longer life

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