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Analysis of Boron in Borosilicate Glasses by Neutron Transmission
Author(s) -
SEGATTO PETER R.
Publication year - 1960
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1960.tb14597.x
Subject(s) - borosilicate glass , boron , materials science , neutron , neutron temperature , neutron flux , neutron source , radiochemistry , neutron activation analysis , neutron capture , attenuation , analytical chemistry (journal) , chemistry , optics , composite material , nuclear physics , chromatography , physics , organic chemistry
A rapid method for the determination of boron in borosilicate glasses by neutron transmission has been developed. The glass sample is dissolved in 48% HF, placed in a polyethylene cell which is located near a Ra‐Be neutron source. The neutron source and sample cell are embedded in a parafEn moderator. The attenuation of the neutron flux, which can be related to the boron concentration in the cell, is monitored with a BF 3 enriched B 10 proportional counter. Boron determinations can be made in approximately 40 minutes with an accuracy of ±%. Owing to the low sensitivity (approximately 1 mg.) the major disadvantage of the method is the large sample size necessary. The method, however, is well suited for use as a quality control procedure.
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