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Total Organic Carbon as a Quantitative Index of Micro- and Nano-Plastic Pollution
Li, Peng; Lai, Yujian; Li, Qingcun; Dong, Lijie; Tan, Zhiqiang; Yu, Sujuan; Chen, Yongsheng; Sharma, Virender K.; Liu, Jingfu; Jiang, Guibin
2022-01-18
Source PublicationANALYTICAL CHEMISTRY
ISSN0003-2700
Volume94Issue:2Pages:740-747
AbstractThe global pollution of micro- and nano-plastics (MNPs) calls for monitoring methods. As diverse mixtures of various sizes, morphologies, and chemical compositions in the environment, MNPs are currently quantified based on mass or number concentrations. Here, we show total organic carbon (TOC) as an index for quantifying the pollution of total MNPs in environmental waters. Two parallel water samples are respectively filtered with a carbon-free glass fiber membrane. Then, one membrane with the collected particulate substances is treated by potassium peroxodisulfate oxidation and Fenton digestion in sequence for quantifying the sum of MNPs and particulate black carbon (PBC) as TOCMNP&PBC using a TOC analyzer, another membrane is treated by sulfonation and Fenton digestion for quantifying PBC as TOCPBC, and the TOC of MNPs is calculated by subtracting TOCPBC from TOCMNP&PBC. The feasibility of our method is demonstrated by determination of various MNPs of representative plastic types and sizes (0.5-100 mu m) in tap, river, and sea water samples, with low detection limits (similar to 7 mu g C L-1) and high spiked recoveries (83.7-114%). TOC is a powerful index for routine monitoring of MNP pollution.
Department环境化学与生态毒理学国家重点实验室 ; 环境化学与生态毒理学国家重点实验室
KeywordBLACK CARBON ENVIRONMENTAL-SAMPLES MICROPLASTICS QUANTIFICATION IDENTIFICATION WASTE POLYETHYLENE BIOCHAR
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/47634
Collection环境化学与生态毒理学国家重点实验室
Corresponding AuthorLiu, Jingfu
Affiliation1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.UCAS, Hangzhou Inst Adv Study, Sch Environm, Hangzhou 310024, Peoples R China
4.Georgia Inst Technol, Sch Civil & Environm Engn, Atlanta, GA 30332 USA
5.Texas A&M Univ, Sch Publ Hlth, Dept Environm & Occupat Hlth, College Stn, TX 77843 USA
Recommended Citation
GB/T 7714
Li, Peng,Lai, Yujian,Li, Qingcun,et al. Total Organic Carbon as a Quantitative Index of Micro- and Nano-Plastic Pollution[J]. ANALYTICAL CHEMISTRY,2022,94(2):740-747.
APA Li, Peng.,Lai, Yujian.,Li, Qingcun.,Dong, Lijie.,Tan, Zhiqiang.,...&Jiang, Guibin.(2022).Total Organic Carbon as a Quantitative Index of Micro- and Nano-Plastic Pollution.ANALYTICAL CHEMISTRY,94(2),740-747.
MLA Li, Peng,et al."Total Organic Carbon as a Quantitative Index of Micro- and Nano-Plastic Pollution".ANALYTICAL CHEMISTRY 94.2(2022):740-747.
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