two-dimensional thin layer chromatography on a mixture of cellulose and microcrystalline cellulose revealed that ( 32 ) p-radioactivity was present in linear oligophosphates with 2 to 7 residues as well as in cyclic tri- , tetra- , penta- and hexametaphosphates .
C0007648
cellulose
C0669247
microcrystalline cellulose