Bronze pigments

Bismuth nitrate Calcium sulfide Calcium tungstate Strontium sulfide paints, metal protective Lead oxide, red paints, metallic Isoamyl acetate paints, metallic pigment Bronze powder... 

Steel blue has been used as a term for certain paler grades of Prussian blue (. v. Berrie, 1997). Mayer, the English translator of Zerr and Riibencamp (1908), also suggests that steel blue could be applied generally to products which did not show the characteristic metallic lustre of the pigment, bronze blue to those that did. 

The pure pigment may be obtained by heating phthalonitrile (4 mols) and copper bronze (1 atom) at 200-220° ... 

Metallic Powders. These are usually either aluminum or bronze flakes and vary ia shades from silver to gold, depending on the composition of the metal used. The silver powders can also be toned with organic pigments to produce golds or copper shades usiag transparent yellow or red pigments. 

Bronze powder [12597-70-5]—Cl Pigment Metal 2, Cl No. 77400. A very fine metallic powder prepared from alloys consisting principally of virgin... 

A few plastics can tolerate aluminum much more readily than bronze flakes. It is possible to formulate a bronze color using only aluminum and suitably transparent yellow, orange, and red dyes or pigments. 

The reddish metal was already known in prehistoric times. It occasionally occurs as a native metal, but mostly in conspicuous green ores, from which it is extracted relatively easily. It is convenient to work, but not very hard. Not very optimal as a tool ("Otzi the Iceman" had a copper axe with him). Only through the addition of tin is the more useful bronze obtained. Its zinc alloy is the versatile and widely used brass. Copper is one of the coinage metals. Water pipes are commonly made of copper. Its very good thermal and electrical conductivity is commonly exploited (cable ), as well as its durability (roofs, gutters), as the verdigris (basic copper carbonate) protects the metal. Cu phthalocyanines are the most beautiful blue pigments. Seems to be essential to all life as a trace element. In some molluscs, Cu replaces Fe in the heme complex. A 70-kg human contains 72 mg. 

The main field of application for P.R.48 1 is in printing inks and plastics. In order to enhance the transparency in print and to reduce the strong tendency of the prints to bronze, pigments that are targeted for use in printing inks are frequently supplied in resinated form. 

A version of P.R.202 in a platelet form is obtainable by recrystallizing of the crude pigment from a polar solvent such as DMF in the presence of a thiol compound and sodium methoxide. The new form affords, for instance in PVC, the appearance of a lustrous copper bronze tone [27]. 

P.V.29 types demonstrate excellent weatherfastness, much more so than other perylene pigments. Their impact on the market, however, is limited by their very dull shade of maroon. Full shades are deep brown, almost black. The pigment is very fast to organic solvents and overcoating. Commercial types are utilized especially in metallic finishes. Full shades frequently bronze upon exposure to weather. 

Victoria blue orgchem CssHsiNs-HCI Bronze crystals, soluble in hot water, alcohol, and ether used as a dye for silk, wool, and cotton, as a biological stain, and to make pigment toners. vik tor-e-o blii ... 

An unusual bronze skin color has been noted in some patients pigmentation of the skin and mucous membranes is more often described as ordinary jaundice and is seen in most poisoning cases. Oliguria or anuria, the most serious manifestation, may become manifest before the third day. In fatal cases, death... 

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