Ultrapurification of Archaeological Lead

被引：26

作者：

Boiko, R. S. ^{[1
]}

Virich, V. D. ^{[2
]}

Danevich, F. A. ^{[1
]}

Dovbush, T. I. ^{[3
]}

Kovtun, G. P. ^{[2
]}

Nagornyi, S. S. ^{[1
]}

Nisi, S. ^{[4
]}

Samchuk, A. I. ^{[3
]}

Solopikhin, D. A. ^{[2
]}

Shcherban', A. P. ^{[2
]}

机构：

[1] Natl Acad Sci Ukraine, Inst Nucl Res, UA-03680 Kiev, Ukraine

[2] Natl Acad Sci Ukraine, Kharkov Inst Phys & Technol, Natl Sci Ctr, UA-61108 Kharkov, Ukraine

[3] Natl Acad Sci Ukraine, Semenenko Inst Geochem Mineral & Ore Format, UA-03680 Kiev, Ukraine

[4] INFN, Lab Nazl Gran Sasso, I-67010 Assergi, AQ, Italy

来源：

INORGANIC MATERIALS | 2011年 / 47卷 / 06期

关键词：

DOUBLE-BETA DECAY; RADIOACTIVITY;

D O I：

10.1134/S0020168511060069

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Based on purification efficiency calculations for lead distillation, we developed a combined process for the ultrapurification of archaeological lead. We obtained pilot amounts of high-purity archaeological lead and PbO with the following contents of detrimental impurities: U, < 2 ppb; Th, < 1 ppb; Ni, Cu, Fe, Si, Ti, Mg, Al, Mn, Cr, V, Co, < 0.1 ppm; K, Ca, Zn, Cd, Ag, Sb, < 1 ppm. Lead of such purity can be used in low-background experiments as a protective shield material and in the growth of low-background PbWO4 and PbMoO4 scintillator crystals. From an isotope ratio, we were able to identify the origin of the archaeological lead.

引用

页码：645 / 648

页数：4

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