资讯

ALTHOUGH prussian blue has been known since 1704, and has long been an important pigment, its chemistry has never been satisfactorily explained. The whole subject is surprisingly confused in spite ...
"From its origins as the first artificial pigment, Egyptian blue, created around 2,200 B.C., to its evolution through indigo, Prussian blue, and ultramarine, each iteration has opened new realms ...
"From its origins as the first artificial pigment, Egyptian blue, created around 2,200 B.C., to its evolution through indigo, Prussian blue, and ultramarine, each iteration has opened new realms ...