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  1. No Access

    Chapter

    Dioxin Formation from Waste Incineration

    Adverse effects of dioxins—polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and coplanar polychlorinated biphenyls (PCBs)—on human health have been known for many years. In partic...

    Takayuki Shibamoto, Akio Yasuhara… in Reviews of Environmental Contamination and… (2007)

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    Article

    Spectrophotometric determination of copper in aluminium alloys using 2-[2-(4-methylbenzothiazolyl)azo]-5-dimethylaminobenzoic acid

    2-[2-(4-Methylbenzothiazolyl)azo]-5-dimethyl-aminobenzoic acid (4-Me-BTAMB) reacts with copper(II) to form a 1:1 complex as a selective chromogenic reagent. In aqueous 1,4-dioxane solution a blue colour is obt...

    Masamichi Furukawa, Takeo Katami… in Fresenius' Journal of Analytical Chemistry (1993)

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    Article

    Spectrophotometry Determination of Gallium with 2-[2-(3,5-Dibromopyridyl)-azo]-5-diethylaminobenzoic Acid

    Takeo Katami, Masamichi Furukawa, Tadao Sakai in Analytical Sciences (1991)

  4. No Access

    Article

    Extraction-spectrophotometric determination of trace iron (II) in sea water with 2-[2-(3,5-dibromopyridyl)azo]-5-diethylaminobenzoic acid

    An extraction-spectrophotometric method is described for the determination of traces of iron(II) with 2-[2-(3,5-dibromopyridyl)azo]-5-diethyl-aminobenzoic acid. The reagent forms a stable and blue 1∶2 iron/rea...

    Tadao Sakai, Miho Nakayama, Takeo Katami, Masamichi Furukawa in Microchimica Acta (1989)

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    Article

    Spectrophotometric Study of Some Metal Complexes with 2-[2-(3,5-Dibromopyridyl)azo]-5-dimethylaminobenzoic Acid and 2-(2-Benzothiazolylazo)-5-dimethylaminobenzoic Acid

    2-[2-(3,5-Dibromopyridyl)azo]-5-dimethylaminobenzoic acid(3,5-diBr-PAMB) and 2-(2-benzothiazolylazo)-5-di-methylaminobenzoic acid(BTAMB) give sensitive color change by the reaction with a few metal ions. The m...

    Takeo Katami, Tomokuni Hayakawa, Masamichi Furukawa, Shozo Shibata… in Analytical Sciences (1986)

  6. No Access

    Article

    Extraction-Spectrophotometry Determination of Nickel(II) in Steel and Residual Fuel Oil with 2-(2-Benzothiazolylazo)-5-dimethylaminobenzoic Acid

    An extraction-spectrophotometric method for the determination of trace amounts of nickel based on its extraction into chloroform with 2-(2-benzothiazolylazo)-5-dimethylaminobenzoic acid has been developed. The...

    Takeo Katami, Tomokuni Hayakawa, Masamichi Furukawa, Shozo Shibata in Analytical Sciences (1985)