Use PC and TLC to identifying the dyes of the Sheaffer Black Ink and the standard Parker Pure Black Ink, which composed from two dyes: Brilliant Black BN CI.
用纸色谱法和薄层色谱法鉴别犀飞利黑墨水和标准派克纯黑墨水中的两种染料均为：亮黑CI。
Use PC and TLC to identifying the dyes of the Sheaffer Black Ink and the standard Parker Pure Black Ink, which composed from two dyes: Brilliant Black BN CI.
用纸色谱法和薄层色谱法鉴别犀飞利黑墨水和标准派克纯黑墨水中的两种染料均为：亮黑CI。
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