Table 10.

Heterogen analysis.

Class	Heterogens
catalytic	FE2, MN, CU1, MG, ZN3, ZN, HEM, HEG, HEC, SRM, MPD, MRD, FOK, PLP, P5P, PHS, OWQ, NO3, FS4, SF4, PVL, PYR, SEG, DHZ, FMT, HAD, CIT, ACN, PAC, ACT, 2PE, CNA, U5P, IKT, PGC, PGH, IMU, F6P, IMP, EEB, GLP, FBP, UD1, FCN, AZA, CRB, DHS, BME, ATP, ADP, GSH, FAD, FMN, SAM, AMP, NAD, GDP, GTP, GMP, MHF, NDP, NAG, NRI
non-catalytic	K, NA, NI, FE, CA, CL, SAC, FCY, PCA, MES, MAN
uncertain	PO4, PI, IPS, POP, SO4, SUL, GOL

Classification of the heterogens into three groups.