Sentence examples for mixture of indigo from inspiring English sources
The spectrum is not consistent with either a single malachite or atacamite pigment or a simple mixture of indigo and orpiment (or gamboge).
A mixture of indigo with orpiment (rather than gamboge) to make a green colour is unusual for a painting from China in this period.
Most of authors believe it is a mixture of indigo (blue) and indirubin (red) that becomes purple.
CYP154H1 also converted indole (11), forming a mixture of indigo (14) and indirubin (15) already during coexpression of PdR, Pdx, and the P450 in E. coli.
Although the definite chemical substrate of PUBS is unknown, most authors believe it is a mixture of indigo (blue) and indirubin (red) that becomes purple (Dealler et al 1988; Matsuo et al 1993; Umeki 1993; Nakayama and Kanmatsuse 1997; Ishiha et al 1999; Al-Jubouri and Vardhan 2001; Ribeiro et al 2004).
Fig. 8 Spectral reflectance measured with PRISMS of the dark green area on folio 73r compared with a Kubelka Munk model fit of a mixture of a verdigris, indigo and orpiment and b indigo and orpiment.
For prints in Set B, all blue areas, including the outlines were found to contain a mixture of Prussian blue, indigo, and ultramarine blue.
Figure 9 shows that the spectrum of a deep red is consistent with vermilion, while the reflectance spectra of dull red regions are consistent with a mixture of vermilion and indigo.
The detection of gum Arabic, a binding medium used by the Europeans, South and West Asians and the use of a mixture of orpiment and indigo, commonly found in European, South and West Asian paintings gives further evidence on the unusual origins of this map.
A hypothesis could be that the sample may have originally been purple, which color was produced by a mixture of pink safflower and blue indigo dye.
The orange areas were most consistent with a mixture of vermilion, red lead and indigo by fitting a Kubelka Munk model to the reflectance spectrum of the region using the reference spectra of the 3 pigments (Fig. 6a).
