Quinhydrone

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Related to Quinhydrone: quinhydrone electrode

Quin`hy´drone

(Chem.) A green crystalline substance formed by the union of quinone with hydroquinone, or as an intermediate product in the oxidation of hydroquinone or the reduction of quinone.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.

References in periodicals archive ?

In the zero ORP correction, insert the electrode into buffer solution (pH = 7.00) saturated with quinhydrone. Record ORP value as E1, which should be 86 [+ or -] 15 mV (25[degrees]C).

Establishment of a Method for Measuring Antioxidant Capacity in Urine, Based on Oxidation Reduction Potential and Redox Couple [I.sub.2]/KI

The free radical inhibitor is an organic antioxidant such as a quinhydrone. The crosslinked polyethylene material shows adequate crosslinking retardation time for rotational molding.

Rotational molding crosslinked polyethylene

The solid was collected on a filter paper and was thoroughly washed with hot water to remove unreacted quinone and side product quinhydrone. It was recrystallized from xylene to yield pale yellow crystals.