QUANTITATIVE-ANALYSIS OF SEA-BED SEDIMENTS FROM EASTERN BLACK-SEA BY EDXRF SPECTROMETRY

被引：11
作者：
CEVIK, U [1 ]
KOPYA, AI [1 ]
KARAL, H [1 ]
SAHIN, Y [1 ]
机构：
[1] ATATURK UNIV,FAC ARTS & SCI,DEPT PHYS,ERZURUM,TURKEY
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-LETTERS | 1995年 / 201卷 / 03期
关键词：
D O I：
10.1007/BF02164832
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Sea-bed sediments from Eastern Black Sea have been analyzed for their Fe, Ba and Sr contents using the methods of standard addition and energy dispersive X-ray fluorescence (EDXRF). Samples were prepared from powder sifted by a 200 mesh sieve. An annular 100 mCi Am-241 radioactive source emitting 59.543 keV photons was used for excitation and a Ge(Li) detector, which has a 190 eV FWHM for 5.9 keV photons was used for intensity measurements. 2048 channels of the MCA are employed for 20 or 30 min. Dried and ground sea-bed sediments are found to contain 2.95 - 7.50% Fe, 0.032 - 0.268% Ba and about 73 - 273 ppm Sr. These results agree with those obtained via atomic absorption methods.
引用
收藏
页码：241 / 249
页数：9
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