100 ORP Calibration Pouches
#ASORP-100
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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 (60°F) will greatly extend its shelf life.
• 100x ORP 225mV Calibration Solution pouches • 20ml each pouch • 225 ±2.0mV at 25°C • Works with any ORP Probe • Standardized against NIST-certified references
• Keep refrigerated for longer life