Hydrated chromium oxide green

Hydrated Chromium Oxide Green, pigment for plastics, 7 370t... [Pg.445]

Hydrated chromic sesquioxide Hydrated chromium oxide green Hydrated chromium sesquioxide Pigment green 18 Veridian... [Pg.935]

Hydrated chromic sesquioxide Hydrated chromium oxide green Hydrated chromium sesquioxide. See Chromium hydroxide green Hydrated ferric oxide. See Cl 77492 Iron (III) oxide hydrated Iron oxide yellow monohydrate Hydrated Lime MR-200 Hydrated lime. See Calcium hydroxide... [Pg.2055]

Hydrated chromium oxide green Pigment Green 18 formula Cr203-2H20... [Pg.176]

Patton (1973j) Patton, T.C. Hydrated Chromium Oxide Green Pigment Handbook 1 Patton, T.C. (ed.) John Wiley, New York (1973) 355-356... [Pg.485]

Ghromium(III) Pigments. There are two green pigments based on chromium ia the +3 oxidatioa state. The first oae is chromium oxide [1308-38-9] the secoad is hydrated chromium oxide, Ct203 XH2O. Worldwide productioa is about 20,000 metric toas. Principal producers are... [Pg.14]

An autoclave (Note 1) is charged with 200 g. (1.28 moles) of 2,3-dimethylnaphthalene (Note 2), 940 g. (3.14 moles, 23% excess) of sodium dichromate dihydrate, and 1.8 1. of water. The autoclave is closed, heated to 250°, and shaken continuously at this temperature for 18 hours. The autoclave is cooled with continued agitation (Note 3), the pressure is released, and the autoclave is opened. The contents are transferred to a large vessel (Note 4). To effect complete transfer, the autoclave is rinsed with several 500-ml. portions of hot water. Green hydrated chromium oxide in the reaction mixture is separated on a large Buchner funnel and washed with warm water until the filtrate is colorless. The combined filtrates (7-8 1.) are acidified with 1.3 1. of 6N hydrochloric acid. The acidified mixture is allowed to... [Pg.80]

HydratedChromium(III) GreenPigment. Hydrated chromium oxide has a brilliant green color and is referred to as Gingnet s green, It exhibits a limited hue range, is semitransparent, and has a low opacity, but provides excellent lightfastness and alkali resistance,... [Pg.1307]

Hydrated chromium oxide has a much cleaner, bluer undertone than chromium oxide and also exhibits excellent durability and chemical resistance. Unlike chromium oxide, it is semitransparent and limited in thermal stability to about 280°C. Above 280°C, the pigment loses its water of hydration and reverts to regular chromium oxide, with the latter s duller, dirtier hue. Phthalocyanine green has largely displaced hydrated chromium oxide as a more cost-effective, much higher tinting strength alternative. [Pg.138]

Inorganic colorants listed in 21CFR 178.3297 include aluminum, aluminum hydrate, potassium silicate, aluminum silicate, barium sulfate, bentonite, calcium carbonate, calcium silicate, calcium sulfate, carbon black (channel process, prepared by the impingement process from stripped natural gas), chromium oxide green Cr203, cobalt aluminate (with restrictions), diatomaceous earth, iron oxides, kaolin (modified for use in olefin polymers in amounts up to 40%), magnesium oxides, magnesium silicate (talc), sienna, silica, titanium dioxide, titanium dioxide-barium sulfate, ultramarines, zinc carbonate (limited use), zinc chromate (less than 10%), zinc oxide (limited use), and zinc sulfide (less than 10%). [Pg.174]

Chromium hydroxide green CAS 12001-99-9 EINECS/ELINCS 215-160-9 Synonyms Chromic oxide hydrated Chromium oxide hydrate Cl 77289 Dichromium trioxide Guignet s green... [Pg.935]

Cadmium green n. Pigment green 18. Composed of 93-94% hydrated chromium, oxide, the balance being cadmium yellow. [Pg.145]

French Veronese green See hydrated chromium oxide. [Pg.438]

Guignet s green See chrome-oxide green and hydrated chromium oxide. [Pg.473]

Chrome Oxide Green A stable pigment based on anhydrous chromium oxide, Cr203. The form based on hydrated chromium oxide is called Guignet s Green. See Chromium Oxide Green. Syn Schnitzer s Green. [Pg.143]

Chromic Hydrate See Chromium Hydroxide. Chromic Oxide See Chromium Oxide Green. [Pg.144]

Emerald Green em-r9ld gren n (1646) Name applied to two distinctly different green pigments complex copper acetoarsenite (also known as Paris Green and Schweinfurt Green) and chromium hydroxide. See Hydrated Chromium Oxide. [Pg.265]

French Veronese Green See Hydrated Chromium Oxide. [Pg.326]

Guignet s Green See Chrome-Oxide Green and Hydrated Chromium Oxide. [Pg.352]

Newman (1997) Newman, R. Chromium Oxide Greens. Chromiiun Oxide and Hydrated Chromium Oxide Artists Pigments. A Handbook of their History and Characteristics 3 FitzHugh, Elisabeth West (ed.) (1997) 273-293 Newman et aL (1980) Newman, R. Weston, C. Farrell, E. Analysis of watercolor pigments in a box owned by Winslow Homer Journal of the American Institute for Conservation 19 (1980) 103-105... [Pg.483]

Oxides and oxide -hydroxides Iron oxide pigments Chromium oxide pigments Mixed metal oxide pigments chromium oxide cob chromium oxide hydrate green alt green and b lue iron oxide red iron oxide orange chromium rutile orange iron oxide yellow nickel rutile yellow, chromium rutile yellow iron oxide brown zinc iron spinell, Mn-Fe-brown... [Pg.11]

Chromium oxide pigments chromium oxide chromium oxide hydrate green ... [Pg.13]

The importance of green chromium oxide hydrate pigments (CrOOH, Guignet s green) has decreased considerably with the introduction of phthalocyanine pigments. [Pg.569]

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