Some limitations in the use of sodium tetrahydroborate(III) solutions as reducing agents in the determination of tin by hydride generation atomic absorption spectrometry are studied. High blank signals are observed due to the tin content in the NaBH4 used. Several purification methods are compared.
J. R. Castillo, C. Martinez, R. Tomás and J. M. xmlns="http://www.rsc.org/schema/rscart38"> <sup>a</sup> </small>. Mir, J. Anal. At. Spectrom., 1988, 3, 595 DOI: 10.1039/JA9880300595
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