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Cultural heritage collections contain many materials known to be hazardous to the environment and to human health. Some hazardous substances may be an integral part of the object (such as a toxic paint pigment or a naturally radioactive mineral sample), applied as a treatment after the object was made (such as a pesticide) or the result of material degradation (such as the exudation of ...
The compound is dissolved in hydrocarbon-based solvents which are known to be harmless to paintings pigment layers [9] It requires a heatlining treatment that exceeds other adhesive agents' temperature and treatment length, which has necessitated the development of new techniques, such as such as "flock lining" and "drop lining". [7]
To be considered low-VOC, the paint should contain <50 g/L of VOC. [citation needed] To be considered zero-VOC, the paint should contain <5 g/L of VOC. [citation needed] Solid content usually ranges 25–45%; higher solid percentages indicate less VOCs. [3] In the US, items containing toxic ingredients have registration numbers with either the:
Toxic Plants for Cats. The plant most commonly found in people’s homes that is deeply toxic to cats is the lily. All parts of the lily are toxic to cats—petals, leaves, and stem—but most ...
The woman behind an early Facebook post about Haitian immigrants eating local pets that helped thrust a small Ohio city into the national spotlight says she had no first-hand knowledge of any such ...
Painting types include fine art to decorative and functional objects spanning from acrylics, frescoes, and oil paint on various surfaces, egg tempera on panels and canvas, lacquer painting, water color and more. Knowing the materials of any given painting and its support allows for the proper restoration and conservation practices.
Switching your cat to a new litter type, whether it’s sand or another alternative, requires patience and a gradual approach. Here’s a step-by-step guide to help your cat adapt comfortably: 1.
Deteriorating lead paint can produce dangerous lead levels in household dust and soil. [125] Deteriorating lead paint and lead-containing household dust are the main causes of chronic lead poisoning. [35] The lead breaks down into the dust and since children are more prone to crawling on the floor, it is easily ingested. [124]