Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NISHIDA Hiroshi,Spectrophotometric determination of a small amount of aluminum in the presence of iron with Chromazurol S and zephiramine,BUNSEKI KAGAKU,05251931,The Japan Society for Analytical Chemistry,1973,22,8,971-975,https://cir.nii.ac.jp/crid/1390282679638490880,https://doi.org/10.2116/bunsekikagaku.22.971