[Studies on "indigo carmine standard" for the dye standard of the National Institute of Hygienic Sciences].
The "Indigo Carmine Standard (C.I. 73015)" for the Dye Standard of the National Institute of Hygienic Sciences was prepared. The content of this Dye Standard determined by the titanium trichloride method was 97.0% on the average. The ultraviolet-visible absorption and infrared spectra of the Dye Standard were also measured.
Tsuji
S
S
Kawamoto
R
R
Kimura
M
M
Shibata
T
T
Ito
Y
Y
D006077:Government Agencies; D006920:Hygiene; D007203:Indigo Carmine / Q000302:isolation & purification / Q000592:standards*; D007564:Japan; D013055:Spectrophotometry, Infrared
D007203:Indigo Carmine