Spectrochemical characterization by micro-FTIR spectroscopy of blue pigments in different polychrome works of art

Characterization of sulfur radical anions in solutions of alkali polysulfides in dimethylformamide and hexamethylphosphoramide and in the solid state in ultramarine blue, green, and red

Robin J. H. Clark, David G. Cobbold · Inorganic Chemistry · 1978 · 171 citations

Natural Sciences, Chemistry, Inorganic Chemistry +5

On the nature of the sulfur chromophores in ultramarine blue, green, violet, and pink and of the selenium chromophore in ultramarine selenium: characterization of radical anions by electronic and resonance Raman spectroscopy and the determination of their excited-state geometries

Robin J. H. Clark, Trevor J. Dines, Mohamedally Kurmoo · Inorganic Chemistry · 1983 · 135 citations

Natural Sciences, Chemistry, Analytical Chemistry +12

The resonance Raman spectrum of ultramarine blue

Robin J. H. Clark, Malcolm L. Franks · Chemical Physics Letters · 1975 · 126 citations

Natural Sciences, Biophysics, Chemistry +11

2. Ultramarine Blue, Natural and Artificial

Joyce Plesters · Studies in Conservation · 1966 · 99 citations

Life Sciences, Conservation Biology, Ecology +7

Spectrochemical and structural studies on a roman sample of Egyptian blue

Piero Mirti, L. Appolonia, Antonella Casoli et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 1995 · 93 citations

Natural Sciences, Biochemistry, Chemistry +15