Characterization of Tibetan Medicine Zuota by Multiple Techniques

Table 2

Element concentrations in Zuota samples. The data were obtained from XRF and expressed as percentage of weight.

	S1 (wt%)	S2 (wt%)	S3 (wt%)	S4 (wt%)
MgO	0.373	0.228	—	0.194
Al2O3	0.196	0.176	0.099	0.318
SiO2	0.461	0.446	0.243	0.589
SO3	50.196	42.442	52.378	46.780
K2O	0.174	0.337	0.256	0.295
CaO	0.132	0.113	—	0.270
Fe2O3	1.050	0.516	0.418	0.379
CuO	0.499	0.196	0.361	0.321
ZnO	0.267	0.133	0.165	0.253
Rb2O	0.080	0.102	0.079	0.087
SnO2	0.161	—	—	—
Hg	45.985	55.312	45.762	50.311
PbO	0.427	—	0.241	0.203