what is the meaning of radio chromatography.?

i think its a process where the substance under study is subjected to radiation of radio frequency, n the final spectrum is studied, to find the composition, as every matter absorbs a specific frequency of radiation. i think radio frequency radiation is used because, the size of organic molecules is comparable with the wavelength of radio frequency.

chromatography is the study of techniques to seperate the various components of a mixture

radio chromatography is about techniques to extract the radioactive components from a mixture