Zhang, X.-H., & Chen, W.-B. (2013). Tween-80 Medium-Spectrophotometric Determination of Trace Ge(IV) with 1-(4-Antipyrine)-3-(2,4,6-tribromo phenyl)triazene as Colour Reagent. Asian Journal of Chemistry, 25(17), 9805–9807. https://doi.org/10.14233/ajchem.2013.15391