When highly purified, the red - absorbing form of the pigment is blue - green.

如果高度提纯，这种色素的红光吸收型是蓝绿色的。

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When highly purified, the red - absorbing form of the pigment is blue - green.

如果高度提纯，这种色素的红光吸收型是蓝绿色的。

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