التفاصيل البيبلوغرافية
| العنوان: |
土壤中9-芴酮和9, 10-蒽醌的分析方法及赋存形态. (Chinese) |
| Alternate Title: |
Analytical method and speciation characteristics of 9-fluorenone and 9, 10-anthraquinone in soil. (English) |
| المؤلفون: |
古鹏, 汤佳豪, 赵庆庆, 王磊磊, 王加宁, 卢媛, 张闻 |
| المصدر: |
Journal of Agro-Environment Science; 2023, Vol. 42 Issue 5, p1091-1099, 9p |
| مصطلحات موضوعية: |
HIGH performance liquid chromatography, POLYCYCLIC aromatic hydrocarbons, HUMIC acid, FLUORENONE, CHEMICAL speciation, CYCLODEXTRIN derivatives, CYCLODEXTRINS |
| Abstract (English): |
To explore the speciation characteristics of typical oxygenated polycyclic aromatic hydrocarbon (OPAHs) in soil, 9-fluorenone and 9, 10-anthraquinone were used as representative OPAHs and their extraction and determination methods in different environmental media were established. Their various speciations in soil within 30 d were analyzed. The results showed that the recovery of 9-fluorenone and 9, 10-anthraquinone in soil was 102.4%–104.2% using a methanol–dichloromethane (1∶1, V/V) solution as an extractant to perform ultrasonic extraction and high performance liquid chromatography (HPLC) analysis. 9-fluorenone and 9, 10-anthraquinone in aqueous and bioavailable (hydroxypropyl - β - cyclodextrin) phases were analyzed by liquid – liquid extraction with dichloromethane as an extractant followed by HPLC, and the recoveries were 87.2%–87.8% and 78.7%–86.3%, respectively. The speciation distribution of the two OPAHs in soil within 30 d was studied using the successive extraction method. The order of the sum of the contents of 9-fluorenone and 9, 10- anthraquinone in different forms was non-desorbed form > crude humin-bound form > kerogen-bound form > bioavailable form > humic acid-bound form > fulvic acid-bound form > mineral-bound form. The extractable form, which is the sum of the bioavailable and non desorbed forms, was the main component (58.0%), and the bound form also accounted for a large proportion (42.0%) . The content of OPAHs bound to organic matter was higher than that bound to minerals. The bioavailability of 9-fluorenone and 9, 10-anthraquinone decreased rapidly within the first 15 d and slowed down during the subsequent 15 d. The bioavailability of 9-fluorenone decreased faster than that of 9, 10-anthraquinone. [ABSTRACT FROM AUTHOR] |
| Abstract (Chinese): |
为探究含氧多环芳烃 (oxygenated polycyclic aromatic hydrocarbon, OPAHs) 在土壤中的赋存形态特征, 以9-芴酮和9, 10-蒽 醌为OPAHs模式物, 建立了其在不同基质中的提取及测定方法, 分析了其在土壤中30 d内的赋存形态.结果表明：以甲醇-二氯 甲烷 (1∶1, V/V) 溶液为萃取剂, 采用超声-高效液相色谱法提取测定土壤中的9-芴酮和9, 10-蒽醌, 回收率为102.4%~104.2%.以 二氯甲烷为萃取剂, 通过液液萃取-高效液相色谱法测定水相及生物有效态相 (羟丙基-β-环糊精) 中的9-芴酮和9, 10-蒽醌, 回 收率分别为 87.2%~87.8% 和 78.7%~86.3%.采用连续提取方法, 研究了这 2种 OPAHs在土壤中 30 d内的形态分布, 各形态 9-芴 酮和9, 10-蒽醌含量之和的顺序为难解吸态>粗胡敏素结合态>干酪根结合态>生物有效态>胡敏酸结合态>富里酸结合态>矿物结 合态.可提取态 (生物有效态与难解吸态加和) 为主要存在形态 (58.0%), 结合态亦占有相当大的比例 (42.0%), 有机质结合态较 矿物结合态含量占比更高.土壤中9-芴酮和9, 10-蒽醌在前15 d生物有效性降低较快, 后15 d趋缓, 9-芴酮较9, 10-蒽醌生物有 效性下降更快. [ABSTRACT FROM AUTHOR] |
|
Copyright of Journal of Agro-Environment Science is the property of Journal of Agro-Environment Science Editorial Board and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) |
| قاعدة البيانات: |
Complementary Index |