高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (S1): 58.
• Atomic Spectrometry • 上一篇 下一篇
Shoji Motomizu, Mitsuko Oshima, Takashi Ohsaki
Shoji Motomizu, Mitsuko Oshima, Takashi Ohsaki
摘要:
Ultra trace amounts of heavy metals, such as Cu, Pb, were determined by graphite furnace-atomic absorption spectrophotometry (GF-AAS) after miniature membrane filer (MF) concentration/dissolution. Heavy metals were concentrated as pyrrolidine-dithiocarbamate (APDC) chelates on a miniature MF of which diameter was 5 mm, effec-tive filtering diameter was 2 mm and pore size was 2 μm.
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