JPC-Journal of Planar Chromatography-Modern TLC《平面色谱杂志-现代薄层色谱》(双月刊). JPC - Journal of Planar Chromatography - Modern TLC is an international journal devoted exclusively to the publication of research papers on analytical and preparative planar chromatography. The journal covers all fields of planar chromatography, on all kinds of stationary phase (paper, layer, gel) and with various modes of migration of the mobile phase (capillary action or forced flow).