Thermo Scientific 967901 ORP Standard, 475 mL

Orion™ ORP Standards for Redox/ORP Electrodes

• Physical State: Liquid
• Appearance: Dark amber
• Odor: None
• pH: 7.0
• PH Range: 5.5 - 8.5

• Does not contain hazardous chemicals
• Included in the new ASTM ORP method
• Used as relative mV standard to calibrate the offset of sample
• +220mV vs. Ag/AgCl using 4M KCl saturated with AgCl filling solution (Part No. 900011), +420mV vs. Standard Hydrogen Electrode (EH)