Shiundu, Paul MWade, Adrian P2015-05-212015-05-211991Anal. Chem., 1991, 63 (7), pp 692–699http://pubs.acs.org/doi/abs/10.1021/ac00007a009http://hdl.handle.net/123456789/1030enDevelopment of catalytic photometric flow injection methods for the determination of seleniumArticle