naa a22 4500 510753620 CHVBK 20180411083113.0 cr unu---uuuuu 180411e20130601xx s 000 0 eng 10.1007/s13131-013-0305-5 doi (NATIONALLICENCE)springer-10.1007/s13131-013-0305-5 Determination of cosmogenic 32P and 33P in environmental samples [Elektronische Daten] [Min Chen, Zhi Yang, Lei Zhang, Yusheng Qiu, Qiang Ma, Yipu Huang] Understanding phosphorus dynamics inmarine environment is of great importance, and appropriate tracers for phosphorus cycling in oceans are invaluable. In this study, two methods were developed for extraction, purification, and determination of naturally occurring 32P and 33P in rainwater, marine plankton and sediments using both a low-level beta counter (LBC) and an ultra-low-level liquid scintillation spectrometer (LSS). Blanks, chemical yields and counting efficiencies were quantified for bothmethods. The chemical purification of 32P and 33P separated by both procedures was validated by their decay curves. The absorber thickness of aluminum for LBC was assessed as 39.2 mg/cm2. 32P and 33P specific activities in some rain samples were determined by both methods and showed good consistent results. The advantage of the LSS over the LBC is apparent in its high counting efficiency and in determining samples with high concentration of stable phosphorus. However, when measuring environmental samples with low concentration of stable phosphorus, such as rainwater, both methods can be used and each has its distinct advantage. The Chinese Society of Oceanography and Springer-Verlag Berlin Heidelberg, 2013 32P nationallicence 33P nationallicence rainwater nationallicence plankton nationallicence sediments nationallicence Chen Min College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut Yang Zhi College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut Zhang Lei College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut Qiu Yusheng College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut Ma Qiang College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut Huang Yipu College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut Acta Oceanologica Sinica The Chinese Society of Oceanography 32/6(2013-06-01), 18-25 0253-505X 32:6<18 2013 32 13131 https://doi.org/10.1007/s13131-013-0305-5 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s13131-013-0305-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Chen Min College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut NATIONALLICENCE 700 1- Yang Zhi College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut NATIONALLICENCE 700 1- Zhang Lei College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut NATIONALLICENCE 700 1- Qiu Yusheng College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut NATIONALLICENCE 700 1- Ma Qiang College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut NATIONALLICENCE 700 1- Huang Yipu College of Ocean and Earth Sciences, Xiamen University, 361005, Xiamen, China aut NATIONALLICENCE 773 0- Acta Oceanologica Sinica The Chinese Society of Oceanography 32/6(2013-06-01), 18-25 0253-505X 32:6<18 2013 32 13131 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer