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AN IMPROVED PROTOCOL FOR CLEANING OF PLANKTONIC FORAMINIFERA FOR SHELL WEIGHT MEASUREMENT
Qin, Bingbin1,3; Li, Tiegang1; Xiong, Zhifang1,2; Algeo, Thomas J.4,5; Chang, Fengming1,2
2016-05-01
发表期刊JOURNAL OF SEDIMENTARY RESEARCH
卷号86期号:5页码:431-437
文章类型Article
摘要The shell weights of planktonic foraminifera can be used as a proxy to reconstruct seawater [CO32-] in the past and, therefore, to provide clues regarding the ocean carbon cycle. Foraminiferal shells must be cleaned prior to weight measurements in order to remove detritus trapped within the shell chambers. The standard cleaning procedure, which involves an eight-second sonication step in water, causes greater breakage of thin-walled shells relative to thick-walled shells, thereby biasing weight measurements. Furthermore, the extent of shell breakage is greater for samples that have undergone significant in-situ partial dissolution. Because the sonic cleaning efficiency of sodium hexametaphosphate is much greater than that of water, we recommend a cleaning procedure based on a four-second sonication step in a 2% sodium hexametaphosphate solution. This procedural change provides a greater detritus cleaning effect and minimizes shell breakage, making shell weight measurements more reliable.
DOI10.2110/jsr.2016.31
收录类别SCI
语种英语
WOS记录号WOS:000379519900001
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文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/130948
专题海洋地质与环境重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao 266061, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Univ Cincinnati, Dept Geol, Cincinnati, OH 45221 USA
5.China Univ Geosci, State Key Labs BGEG & GPMR, Wuhan 430074, Peoples R China
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Qin, Bingbin,Li, Tiegang,Xiong, Zhifang,et al. AN IMPROVED PROTOCOL FOR CLEANING OF PLANKTONIC FORAMINIFERA FOR SHELL WEIGHT MEASUREMENT[J]. JOURNAL OF SEDIMENTARY RESEARCH,2016,86(5):431-437.
APA Qin, Bingbin,Li, Tiegang,Xiong, Zhifang,Algeo, Thomas J.,&Chang, Fengming.(2016).AN IMPROVED PROTOCOL FOR CLEANING OF PLANKTONIC FORAMINIFERA FOR SHELL WEIGHT MEASUREMENT.JOURNAL OF SEDIMENTARY RESEARCH,86(5),431-437.
MLA Qin, Bingbin,et al."AN IMPROVED PROTOCOL FOR CLEANING OF PLANKTONIC FORAMINIFERA FOR SHELL WEIGHT MEASUREMENT".JOURNAL OF SEDIMENTARY RESEARCH 86.5(2016):431-437.
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