… earth pigments used by primitive man to decorate the walls of caves through to the synthetic
pigments developed … and still appears as if fresh on wall paintings produced at that time. The …

… pigment patterns such as spots or stripes, but positive identification of specific colour or
pigment … detection limits, of analytical techniques that may be used to search for pigments, and …

… This chapter reviews the nature of pigment variations in … occurring over a broad range of time
scales, from seconds to days. … marine phytoplankton can adjust their pigment pool, which is …

… In addition to fringelites D, E, F, and H, the fossil contains pigments which we consider …
considerable time after changes in the environmental conditions occur-for instance, through …

… time, old pigments were abandoned when new ones with better properties were found. Some
potential pigments … Also, due to the poisonous nature of many pigments, organic dyes and …

… in the category of artists' pigments until such time as we find them being used in the form of …
in the study of pigments, because it is in miniature painting that we find pigments used in their …

… In principle, pigments do not migrate in the binder, but over time and depending on the
pigment concentration and type of binder, bleeding or blooming can be observed, which results …

… the percentage of calcium carbonate present at the time of their use. In some of the pigments
calcium carbonate was obtained over time, through the action of carbon dioxide from the air …

… The volume ratio between pigment and solution was 1:25. All mixtures were hold under …
Solutions were then applied to a specific support to obtain a pigment deposit available for our …

… pigments at the time of deposition. Lakes dominated by blue-green algae other than Oscillatoria
would have lower ratios. Of the eutrophic lakes sampled in the survey, seven have OSC/…