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Abstract

Niobium metal, of 99.98% nominal purity, in the form of 0.02 and 0.1 mm thick foils and of 0.5 mm diameter wire, has been certified for its tantalum mass fraction. The certified value of the tantalum mass fraction is 19.6 +/- 1.8 mg/kg and is based on 71 results obtained by six laboratories by neutron activation analysis or inductively coupled plasma source mass spectrometry. The material is to be used as a reference material in neutron metrology.

Additional information

Authors: LIEVENS F, JRC Geel (BE);INGELBRECHT C, JRC Geel (BE);PAUWELS J, JRC Geel (BE)
Bibliographic Reference: EUR 12892 EN (1990) 15 pp., FS, ECU 5
Availability: (2)
ISBN: ISBN 92-826-1589-8
Record Number: 199011319 / Last updated on: 1994-12-01
Category: PUBLICATION
Original language: en
Available languages: en
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