HORIBA 160-22 ORP標準液用粉末 (258 mV; 250 mL x10)
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ORP value (25°C): 258 mV (vs, 3.33 mol/L KCl-AgCl)
The ORP values shown are those obtained when one packet is dissolved in 250 mL of pure water. This standard solution should be used immediately after conditioning and can-not be used for 2 hours or more.
(10 packets per set)
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