[Studies on "brilliant blue FCF standard", dye standards of National Institute of Hygienic Sciences].

: Brilliant Blue FCF Standard (C.I. 42090)", Dye Standards of National Institute of Hygienic Sciences, was prepared. The content of this Dye Standards was determined by titanium trichloride method. This content averaged 96.3%. Ultra violet-visible absorption and infrared spectra of the Dye Standard were also determined.