PMID- 37595527
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20230913
IS  - 1873-3573 (Electronic)
IS  - 0039-9140 (Linking)
VI  - 266
IP  - Pt 2
DP  - 2024 Jan 1
TI  - Shipboard determination of arsenite and total dissolved inorganic arsenic in 
      estuarine and coastal waters with an automated on-site-applicable atomic 
      fluorescence spectrometer.
PG  - 125082
LID - S0039-9140(23)00833-0 [pii]
LID - 10.1016/j.talanta.2023.125082 [doi]
AB  - The speciation of trace level arsenic (As) in estuarine and coastal waters is 
      crucial for both biogeochemical and toxicological studies of this toxic 
      metalloid. However, the accurate and on-site determination of As in complex 
      seawater matrices is challenging because of the low concentration of As, the easy 
      conversion of arsenite (As(III)) to arsenate (As(V)), and the considerable effect 
      of salinity on the determination of As via conventional methods. In this study, a 
      custom-made shipboard atomic fluorescence spectrometer (AFS) is reported for the 
      on-site speciation of inorganic As in estuarine and coastal waters. After 
      comprehensive optimization of the instrumental and chemical parameters, the 
      method demonstrated high sensitivity (limits of detection: 0.02 mug L(-1)), good 
      linearity (R(2) > 0.999 for all calibration curves up to 8 mug L(-1)), high 
      precision (relative standard deviations (RSDs) of less than 2% at 1 mug L(-1) over 
      a year-long evaluation), and excellent performance for sample analysis for 
      different matrices with varying salinities (recoveries: 96.3%-105.3%). The 
      portable and field-applicable AFS was successfully applied to the on-site and 
      shipboard simultaneous determination of As(III) and total dissolved inorganic 
      arsenic (TDIAs) in the coastal waters of Shandong, Jiangsu, Zhejiang, Fujian, and 
      Guangdong province of China, demonstrating its robustness and applicability in 
      harsh conditions.
CI  - Copyright (c) 2023 Elsevier B.V. All rights reserved.
FAU - Bo, Guangyong
AU  - Bo G
AD  - State Key Laboratory of Marine Environmental Science, College of the Environment 
      and Ecology, Xiamen University, Xiamen, 361102, People's Republic of China; 
      National Observation and Research Station for the Taiwan Strait Marine Ecosystem, 
      Xiamen University, Zhangzhou, 363000, People's Republic of China.
FAU - Fang, Tengyue
AU  - Fang T
AD  - State Key Laboratory of Marine Environmental Science, College of the Environment 
      and Ecology, Xiamen University, Xiamen, 361102, People's Republic of China; 
      National Observation and Research Station for the Taiwan Strait Marine Ecosystem, 
      Xiamen University, Zhangzhou, 363000, People's Republic of China.
FAU - Chen, Luodan
AU  - Chen L
AD  - State Key Laboratory of Marine Environmental Science, College of the Environment 
      and Ecology, Xiamen University, Xiamen, 361102, People's Republic of China.
FAU - Gong, Zhenbin
AU  - Gong Z
AD  - State Key Laboratory of Marine Environmental Science, College of the Environment 
      and Ecology, Xiamen University, Xiamen, 361102, People's Republic of China.
FAU - Ma, Jian
AU  - Ma J
AD  - State Key Laboratory of Marine Environmental Science, College of the Environment 
      and Ecology, Xiamen University, Xiamen, 361102, People's Republic of China; 
      National Observation and Research Station for the Taiwan Strait Marine Ecosystem, 
      Xiamen University, Zhangzhou, 363000, People's Republic of China. Electronic 
      address: jma@xmu.edu.cn.
LA  - eng
PT  - Journal Article
DEP - 20230815
PL  - Netherlands
TA  - Talanta
JT  - Talanta
JID - 2984816R
SB  - IM
OTO - NOTNLM
OT  - Biogeochemistry
OT  - On-site determination
OT  - Portable instrument
OT  - Salinity effect
OT  - Speciation analysis
COIS- Declaration of competing interest The authors declare that they have no known 
      competing financial interests or personal relationships that could have appeared 
      to influence the work reported in this paper.
EDAT- 2023/08/19 11:42
MHDA- 2023/08/19 11:43
CRDT- 2023/08/18 18:09
PHST- 2023/05/30 00:00 [received]
PHST- 2023/08/07 00:00 [revised]
PHST- 2023/08/14 00:00 [accepted]
PHST- 2023/08/19 11:43 [medline]
PHST- 2023/08/19 11:42 [pubmed]
PHST- 2023/08/18 18:09 [entrez]
AID - S0039-9140(23)00833-0 [pii]
AID - 10.1016/j.talanta.2023.125082 [doi]
PST - ppublish
SO  - Talanta. 2024 Jan 1;266(Pt 2):125082. doi: 10.1016/j.talanta.2023.125082. Epub 
      2023 Aug 15.