Authors:
Sh. Ahmed PINSTECH Applied Chemistry Division P.O. Nilore Islamabad Pakistan

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M. Awan PINSTECH Applied Chemistry Division P.O. Nilore Islamabad Pakistan

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U. ur Rehman PINSTECH Applied Chemistry Division P.O. Nilore Islamabad Pakistan

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M. Asghar PINSTECH Applied Chemistry Division P.O. Nilore Islamabad Pakistan

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Abstract  

Thermal ionization mass spectrometry has been used for the determination of isotopic composition of boron in natural samples, like water, with an improved degree of accuracy and precision. After concentration and separation boron is treated with an excess of sodium hydroxide in order to convert it completely to sodium metaborate. The excess of sodium hydroxide present in the sample causes problems in the isotopic analysis. This excess is neutralized with 0.1M nitric acid on the filament while loading the sample by a special technique. This procedure improves the precision and accuracy of the analysis to a large extent.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)