| 摘要 |
An electrostatic image developing toner including a binder resin; and a colorant, and satisfying following conditions (1) and (2): <?in-line-formulae description="In-line Formulae" end="lead"?>0.02<=CA/CB<=0.20 (1)<?in-line-formulae description="In-line Formulae" end="tail"?> <?in-line-formulae description="In-line Formulae" end="lead"?>1<=Nt/St<=15 (2)<?in-line-formulae description="In-line Formulae" end="tail"?> wherein CA represents an amount of a carboxyl group and its salt on a surface of the toner, CB represents an amount of a carboxyl group and its salt in the entire toner, Nt represents an amount of a nitrogen element on the surface of the toner, and St represents an amount of a sulfur element on the surface of the toner.
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