[Quality of Chinese drug Halloysitum rubrum].
X-ray diffraction was used in analysing the constituents of Halloysitum rubrum. The results show that its composition is quite complicated and its colours are mainly due to the content of Fe.
Yang
M
M
Jiangxi Provincial Institute for Drug Control, Nanchang.
D008419:Materia Medica / Q000737:chemistry*; D014961:X-Ray Diffraction
D008419:Materia Medica