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Direct ion‐selective determination of boron in gallium arsenide
Author(s) -
Lanza Pietro
Publication year - 1993
Publication title -
electroanalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.574
H-Index - 128
eISSN - 1521-4109
pISSN - 1040-0397
DOI - 10.1002/elan.1140050517
Subject(s) - boron , gallium arsenide , electrode , gallium , ion , relative standard deviation , materials science , standard deviation , analytical chemistry (journal) , optoelectronics , inorganic chemistry , chemistry , chromatography , metallurgy , detection limit , mathematics , statistics , organic chemistry
The behavior of the Orion fluoroborate‐selective electrode (Model 93‐05) has been investigated under several working conditions. Long response time and slow shift of the potential can cause serious difficulties in practical applications. In spite of these facts, after a suitable conditioning of the electrode in solutions whose composition is similar to that of the solutions of the samples, sufficiently reproducible results are possible. Samples of GaAs, containing at least 1 μg/g of boron, can be analyzed with a precision (relative standard deviation) of about 5% ( n = 5).