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Determination of Cu and Zn isotopes in sediments by multi-collector inductively coupled plasma mass spectrometer
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Lianhua He1, 2, 3, Jihua Liu1, 2, 3, *, Zhang Ying1, 2, 3, Jingjing Gao1, 2, 3, Aimei Zhu1, 2, 3, Hongmin Wang1, 2, 3
Haiyang Xuebao | 2022, 44(3) : 70 - 80
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Haiyang Xuebao | 2022, 44(3): 70-80
• Article •
Determination of Cu and Zn isotopes in sediments by multi-collector inductively coupled plasma mass spectrometer
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Lianhua He1, 2, 3, Jihua Liu1, 2, 3, *, Zhang Ying1, 2, 3, Jingjing Gao1, 2, 3, Aimei Zhu1, 2, 3, Hongmin Wang1, 2, 3
Affiliations
  • 1. First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
  • 2. Key Laboratory of Marine Geology and Metallogeny, Ministry of Natural Resources, Qingdao 266061, China
  • 3. Laboratory for Marine Geology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
Published: 2022-03-01 doi: 10.12284/hyxb2022009
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We presented an optimized and purification procedure as well as an analytical method for Cu and Zn isotopes measurement in marine sediments. We reported Cu and Zn isotope of 5 samples in a sediment cores and 20 surface sediment samples in the northern and southern Okinawa Trough. Anion exchange resin (AG MP-1M) was applied to separate matrix elements of sediment samples from Cu, Fe and Zn using 8.2 mol/L HCl+0.01% HF+0.001% H2O2, 2 mol/L HCl+0.001% H2O2 and 0.5 mol/L HNO3 as eluents. The recoveries of Cu and Zn were both close to 100%. Cu and Zn isotopes were measured on a Nu Plasma multi-collector inductively coupled plasma mass spectrometer (MC-ICP-MS). Instrumental mass bias was corrected using a combination of sample-standard bracketing and internal spiking. The long-term reproducibilities were 0.11‰ (2SD) for Cu isotopes and 0.09‰ (2SD) for Zn isotopes. The δ66Zn of surface sediments varies from 0.07‰ to 0.67‰, with an average of 0.31‰ ± 0.32‰ (2SD); the δ65Cu of surface sediments ranges from −2.26‰ to −0.52‰, with an average of −1.21‰ ± 0.55‰ (2SD). The results show that Cu and Zn isotopes of surface sediments in the Okinawa Trough varies widely, meanwhile, Cu and Zn isotopes in sediment core varies with depth.

Cu isotopes  /  Zn isotopes  /  multi-collector inductively coupled plasma mass spectrometer  /  marine sediments  /  Okinawa Trough
Lianhua He, Jihua Liu, Zhang Ying, Jingjing Gao, Aimei Zhu, Hongmin Wang. Determination of Cu and Zn isotopes in sediments by multi-collector inductively coupled plasma mass spectrometer[J]. Haiyang Xuebao, 2022 , 44 (3) : 70 -80 . DOI: 10.12284/hyxb2022009
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Year 2022 volume 44 Issue 3
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Article Info
doi: 10.12284/hyxb2022009
  • Receive Date：2021-01-08
  • Online Date：2026-02-01
  • Published：2022-03-01
Article Data
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History
  • Received：2021-01-08
  • Revised：2021-06-04
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Affiliations
    1. First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
    2. Key Laboratory of Marine Geology and Metallogeny, Ministry of Natural Resources, Qingdao 266061, China
    3. Laboratory for Marine Geology, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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