采用氢化物发生原子荧光法直接测定不同粒径大气颗粒物中As(Ⅲ)和As(Ⅴ)的含量.研究了还原剂用量、酸介质及其酸度、载气及屏蔽气流量和观测高度等对荧光强度的影响,探讨了共存离子对砷测定的干扰.在选定的最佳条件下,得到检出限为0.34μg/L,方法检出限为0.21μg/g,加标回收率为98.18%～102.54%,相对标准偏差为0.8%左右.用该方法测定大气颗粒物中不同形态的砷,操作简便,快速,灵敏度高.
[1] 乔凤霞, 孙汉文, 闫宏远, 锁然, 李丽欣. 氢化物发生原子荧光法同时测定丹参中痕量砷和锑 [J]. 河北大学学报(自然科学版) 2004.doi:10.3969/j.issn.1000-1565.2004.02.013
[2] 唐姣荣, 陆建平, 童张法, TANG Jiao-rong, LU Jian-ping, TONG Zhang-fa. HG-AFS测定大气颗粒物中砷铅汞含量 [J]. 广西大学学报（自然科学版） 2009.doi:10.3969/j.issn.1001-7445.2009.02.015
[3] 李树文, 白汀汀, Li Shuwen, Bai Tingting. 分光光度法测定大气颗粒物和柴油尾气中的砷含量 [J]. 环境工程 2007.doi:10.3969/j.issn.1000-8942.2007.02.025
[4] CHAPPELL W R, BECK B D, BROWN K G. Toxocology profile For Arsenic [J]. Environmental Health Perspectives 1997, IOS.
[5] Waalkes MP, Keefer LK, Diwan BA. Induction of proliferative lesions of the uterus, testes, and liver in swiss mice given repeated injections of sodium arsenate: possible estrogenic mode of action. [J]. Toxicology and Applied Pharmacology 2000, 1(1).
[6] Guo T, Baasner J, Tsalev DL. Fast automated determination of toxicologically relevant arsenic in urine by flow injection hydride generation atomic absorption spectrometry [J]. Analytica chimica acta 1997, 1/3(1/3).
[7] Mierzwa J., Dhindsa HS., Adeloju SB.. SLURRY SAMPLING FOR HYDRIDE GENERATION ATOMIC ABSORPTION SPECTROMETRIC DETERMINATION OF ARSENIC IN CIGARETTE TOBACCOS [J]. The Analyst: The Analytical Journal of the Royal Society of Chemistry: A Monthly International Publication Dealing with All Branches of Analytical Chemistry 1997, 6(6).
[8] 易江, 许月英, 青华. 氢化物发生原子吸收分光光度法测定蔬菜中的微量砷 [J]. 光谱学与光谱分析 1987, 8(02).
[9] GUO Tie zheng, LIU Ming zhong, SCHRADER W. Use of flow injection hydride generation technique in non-dispersive atomic fluorescence spectrometry [J]. Journal of Analytical Atomic Spectrometry 1992, 7.
[10] PACEY G E, FORD. Arsenic speciation by ion-exchange separation and graphite furnace atomic-absorption spectrophotometry [J]. TALANTA 1981, 28.
[11] BUDESINSKY B W. Arsenic colorimetry with silver diethyldithiocabamate [J]. Microchemical Journal 1979, 24.
[12] 马钦科Z, 郑用熙, 关英, 冯克聪. 元素的分离和分光光度法测定 [M]. 太原:山西高校联合出版社 1992.
[13] 孙汉文. 色谱-原子吸收光谱联用技术 [J]. 分析化学 1982, 2.
