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US09279790B2 Analysis method for dye for organic solar cell and purification method therefor 有权
有机太阳能电池用染料分析方法及其纯化方法

Analysis method for dye for organic solar cell and purification method therefor
Abstract:
This analysis method includes: subjecting a sample solution of a dye-containing sample in an organic solvent to normal-phase liquid chromatography to separate the sample solution and detect separated components. The normal-phase liquid chromatography involves (B1) using a separation column filled with a column packing material which is prepared by modifying a base material with a polar modifying group, and (B2) using as an eluent a polar organic solvent containing an acid.
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