Identifying the origin of rock phosphates and phosphorus fertilizers through high-precision measurement of the strontium isotopes 87Sr and 86Sr

被引：0
|
作者：
Sattouf, Mamdoh [1 ]
Kratz, Sylvia
Diemer, Katrin
Rienitz, Olaf
Fleckenstein, Juergen
Schiel, Detlef
Schnug, Ewald
机构：
[1] Aleppo Univ, Fac Agr, Aleppo, Syria
[2] Fed Agr Res Ctr, FAL, Inst Plant Nutr & Soil Sci, D-38116 Braunschweig, Germany
[3] Phys Tech Bundesanstalt, Dept Metrol Chem Inorgan Anal 3 1, D-38116 Braunschweig, Germany
来源：
LANDBAUFORSCHUNG VOLKENRODE | 2007年 / 57卷 / 01期
关键词：
fingerprint method; geographical origin; isotope ratios; phosphorus; fertilizers; radiogenic isotopes; rock phosphates; strontium;
D O I：
暂无
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
This work presents a precise and accurate determination of R(Sr-87/Sr-86) by Thermal Ionization Mass Spectrometry (TIMS) to identify the origin of rock phosphates used for manufacturing of phosphorus (P) fertilizers. The Sr isotope ratios allowed to classify rock phosphate samples into four different groups: the first group includes igneous rock phosphates from Russia (Kola), the second group sedimentary rock phosphate samples from Algeria, Israel, Morocco, Tunisia and Syria, the third group sedimentary rock phosphates from the USA, while rock phosphate samples from Senegal and Togo are located in the last group. The R(Sr-87/Sr-86) isotope ratios in P fertilizers reflect the Sr isotopic composition of rock phosphates from which they were produced. Therefore Sr isotope ratios are suggested as a suitable indicator to track the origin of rock phosphates and P fertilizers.
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页码：1 / 11
页数：11
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