化学配方数据库
配方类型: INKS
配方说明: Blue-Black Writing Ink
配方组成: Tannic acid/19.5
Phenol/1.0
Sulfuric acid (1.84)/3.0
C.I. Acid blue 27/3.0
Gallic acid/6.4
Water to make/1000.0
Ferrous sulfate/25.0

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