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Scheele's Green: yellowish-green pigment commonly used during the early to mid-19th century (AsCuHO 3) Paris Green: It was manufactured in 1814 to be a pigment to make a vibrant green paint; Cadmium pigments. Cadmium green: a light green pigment consisting of a mixture of cadmium yellow (CdS) and chrome green (Cr 2 O 3). Chromium pigments
A binder or binding agent is any material or substance that holds or draws other materials together to form a cohesive whole mechanically, chemically, by adhesion or cohesion . More narrowly, binders are liquid or dough-like substances that harden by a chemical or physical process and bind fibres, filler powder and other particles added into it ...
Manganese violet is the inorganic compound with the formula NH 4 MnP 2 O 7. [1] As implied by its name and composition, it is a purple, inorganic pigment. [2] Because it is often impure, the pigment's hue is varied. [3] Notable artists who have used the pigment include Claude Monet, who relied on manganese violet in his Rouen Cathedral series ...
Pigment violet 23 is an organic compound that is a commercial pigment. It is member of the di oxazine family of heterocyclic compounds, but derived from carbazoles. [1] It is prepared by condensation of chloranil and 3-amino- N -ethyl carbazole. It has a centrosymmetric angular structure. [2]
Core (manufacturing) A core is a device used in casting and moulding processes to produce internal cavities and reentrant angles (an interior angle that is greater than 180°). The core is normally a disposable item that is destroyed to get it out of the piece. [1] They are most commonly used in sand casting, but are also used in die casting ...
Methyl violet. Methyl violet is a family of organic compounds that are mainly used as dyes. Depending on the number of attached methyl groups, the color of the dye can be altered. Its main use is as a purple dye for textiles and to give deep violet colors in paint and ink. It is also used as a hydration indicator for silica gel.
The petals of violets have long been used in herbalism for their medicinal properties, even mentioned by Dioscorides. [3] "Violet tables", sugary lozenges flavoured with violets, were made before 1620. [4] During the 18th century, crushed violet petals, rosewater, and sugar were combined to make an early type of confectionery known as flower ...
The name lead-tin yellow is a modern label. During the thirteenth to eighteenth centuries when it was in widest use, it was known by a variety of names. In Italy, it was giallorino or giallolino. In other countries of Europe, it was massicot, genuli (Spanish), Plygal (German), general (English) or mechim (Portuguese).