英文摘要 |
In order to assess the degree to which oxidant dyes (including phenylenediamines and aminophenols) adulterate marketed products of hairtonics, 103 samples were purchased in the western region of Taiwan from September 1992 to May 1993 and analyzed by TLC and GC. The results indicate that 48 samples (46.6%) were adulterated which oxidant dyes. |