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Study of organohalogens in foodstuffs and environmental samples by neutron activation analysis and related techniques
Xu DD(徐殿斗); Chai ZF(柴之芳); Zhang H(张红); Mao XY(毛雪瑛); Ou YH(欧阳宏); Xu, DD; Chai, ZF; Zhang, H; Mao, XY; Hong, OY; Sun, HB
刊名NUKLEONIKA
2004
卷号49期号:3页码:#REF!
关键词instrumental neutron activation analysis (INAA) pine needle foodstuff extractable organohalogen (EOX) organochlorinated pesticides Beijing
学科分类Chemistry; Physics
通讯作者Xu, DD (reprint author), Chinese Acad Sci, Inst High Energy Phys, Lab Nucl Analyt Tech, POB 918, Beijing 100039, Peoples R China.
文章类型Article; Proceedings Paper
英文摘要Pine needles and foodstuffs collected from Beijing, China, were analyzed by instrumental neutron activation analysis (INAA) combined with organic solvent extraction for total halogens, extractable organohalogens (EOX) and extractable persistent organohalogens (EPOX). The INAA detection limits are 50 ng, 8 ng and 3.5 ng for Cl, Br and 1, respectively. The contents and distribution patterns of organohalogens in these samples are reported. EOCl accounted for 0.013-0.016% and 1.6-2.7% of the total chlorine in yogurt and apples, respectively, which suggested that chlorine in foodstuffs mainly existed as inorganic species and non-extractable organochlorines. EOCl contents in pine needles and foodstuffs were noticeably higher than those of EOBr and EOI. For pine needles, yogurt and apples, 1.6-34%, 23-58% and 29-35% of EOCl remained as extractable persistent organochlorine (EPOCl), respectively. Pine needle containing higher EOCl contents in chemical industrial and traffic hub areas indicated that chemical industries and exhaust emission from vehicle were the main sources of organochlorines in the Beijing's air. The relative proportions of the known organochlorines (such as HCHs, DDTs, chlordanes, heptachlor, HCB and PCBs) to the total EOCl and EPOCl were 0.04-1.6% and 0.7-21.5%, respectively, which implied that the identity of species of a major portion of the EOCl and EPOCl measured in pine needles was unknown.
类目[WOS]Chemistry, Inorganic & Nuclear ; Physics, Nuclear
收录类别SCI
WOS记录号WOS:000223631400004
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226152
专题院士_期刊论文
中国科学院高能物理研究所_多学科研究中心
推荐引用方式
GB/T 7714
Xu DD,Chai ZF,Zhang H,et al. Study of organohalogens in foodstuffs and environmental samples by neutron activation analysis and related techniques[J]. NUKLEONIKA,2004,49(3):#REF!.
APA 徐殿斗.,柴之芳.,张红.,毛雪瑛.,欧阳宏.,...&Sun, HB.(2004).Study of organohalogens in foodstuffs and environmental samples by neutron activation analysis and related techniques.NUKLEONIKA,49(3),#REF!.
MLA 徐殿斗,et al."Study of organohalogens in foodstuffs and environmental samples by neutron activation analysis and related techniques".NUKLEONIKA 49.3(2004):#REF!.
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