Abstract:
本文提出微波高压消解-火焰原子吸收光谱法测定茶叶中痕量铜、锌、铁和锰的方法.该方法检出限为1.0×10-9g/mL的Cu2+、Zn2+、Mn2+和5.0×10-9g/mL Fe3+.Mn2+、Fe3+Cu2+和Zn2+的含量分别在2.000~10.000、0.500~2.500、0.100~0.500和0.300~1.500μg/mL范围内符合比尔定律,相关系数为0.9996~0.9999.此法用于茶叶中铜、锌、铁和锰含量的测定,结果令人满意.
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Source :
漳州师范学院学报(自然科学版)
Year: 2005
Issue: 04
Page: 54-57
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