This mixture was melted into the paint structure by using strong heating elements.
In all of the samples investigated arsenic had migrated throughout the multi-layered paint structure of the art object, from support to varnish.
A combination of both peaks can also be caused by a layered paint structure with a thin5 brushstroke of titanium white on top of a zinc white layer.
All paint samples presented illustrate that arsenic migrates throughout the whole depth of the multi-layered paint structure of the artwork, from the wood substrate to top varnish layers.
The samples were mounted in a polyester/methacrylate plastic (Bioplastic, Ward Scientific) and cut at right angles to the paint structure, then polished wet on SiC PSA papers (Buehler) or dry Micro-Mesh cloths.
The Turin painting has a simpler paint structure than the other, more extensive underdrawing, and finer pigment particles, and the colours differ.
The old ExxonMobil station in La Faja was immaculate, all swept gravel and pristinely painted structures.
Painted structures by Janice Garramone and Judy Plant initially look like colorful bundles of bamboo and nothing more, but they serve as armatures for sinuous vines that emerge from beneath them.
These sensuously hand-modeled and boldly painted structures -- incorporating distantly perceived elements from Islamic and European traditions along with wholly spontaneous outbursts of indigenous invention -- mix the raw vitality of folk art with the mad flights of imagination generally ascribed to high-style mavericks like Gaudí or Gehry.
In his career, the gunpowder drawings began as abstract, conceptual pieces, progressed into records of explosion events and evolved into what they mainly are today — stand-alone works that, as Cai explains them, amount to "a form of painting, with the same problems as painting: structure, composition, brightness, rhythm and the spirit of the two-dimensional".
