Lead(II) chromate is an inorganic compound with the chemical formula PbCrO4. It is a yellow orange solid that is very poorly soluble in water. It occurs...
11 KB (967 words) - 03:51, 28 June 2024
making pigments such as chrome yellow (lead(II) chromate, PbCrO4) and chrome orange (basic lead(II) chromate, Pb2CrO5) and Naples yellow. These pigments...
20 KB (1,920 words) - 12:51, 3 December 2023
Lead paint or lead-based paint is paint containing lead. As pigment, lead(II) chromate (PbCrO 4, "chrome yellow"), lead(II,IV) oxide, (Pb 3O 4, "red lead")...
36 KB (3,737 words) - 05:06, 8 June 2024
dichromates are very similar. When treated with lead(II) nitrate, it gives an orange-yellow precipitate, lead(II) chromate. Unlike the less expensive sodium salt...
6 KB (517 words) - 20:29, 24 April 2024
Chromate salts contain the chromate anion, CrO2− 4. Dichromate salts contain the dichromate anion, Cr 2O2− 7. They are oxyanions of chromium in the +6...
13 KB (1,230 words) - 08:43, 4 July 2024
monoclinic lead(II) chromate ("chrome yellow") which had superior steel-protecting properties compared to other pigments. Due to lead chromate's toxicity...
6 KB (592 words) - 14:09, 27 June 2024
Zinc chromate, ZnCrO4, is a chemical compound, a salt containing the chromate anion, appearing as odorless yellow powder or yellow-green crystals, but...
10 KB (886 words) - 13:17, 17 June 2024
Crocoite (redirect from Siberian red lead)
Crocoite is a mineral consisting of lead chromate, PbCrO4, and crystallizing in the monoclinic crystal system. It is identical in composition with the...
9 KB (754 words) - 05:38, 3 February 2024
Silver chromate is an inorganic compound with formula Ag2CrO4 which appears as distinctively coloured brown-red crystals. The compound is insoluble and...
14 KB (1,241 words) - 15:30, 23 January 2024
Chrome yellow (category Lead(II) compounds)
The raw pigment precipitates as a fine solid upon mixing lead(II) salts and a source of chromate. Approximately 90,000 tons of chrome yellow are produced...
10 KB (1,124 words) - 23:18, 11 July 2024
54 2.88 3.2 Lead(II) chromate PbCrO4 1.71×10−5 Lead(II) ferrocyanide PbFe(CN)6 5.991×10−4 Lead(II) fluoride PbF2 0.0671 Lead(II) fluorosilicate PbSiF6...
84 KB (193 words) - 02:26, 4 June 2024
Chromium (redirect from Chromium (II))
pigment chrome red, which is simply lead chromate with lead(II) hydroxide (PbCrO4·Pb(OH)2). A very important chromate pigment, which was used widely in metal...
108 KB (11,748 words) - 19:58, 10 July 2024
lead(II) chromate 7758–97–6 PbF2 lead(II) fluoride 7783–46–2 PbF4 lead(IV) fluoride 7783–59–7 Pb(H2PO2)2 lead(II) hypophosphite 10294–58–3 PbH4 lead(IV)...
139 KB (120 words) - 17:07, 15 July 2024
(1830) as "not yet much known in commerce, is as bright as orpiment or chromate of lead. It is thought to be more permanent; but time only can prove its pretension...
22 KB (2,109 words) - 09:46, 21 February 2024
Chrome orange (category Lead(II) compounds)
chemical formula Pb2CrO5. It can be made by treating a lead(II) salt with an alkaline solution of a chromate or by treating chrome yellow (PbCrO4) with strongly...
9 KB (886 words) - 21:34, 22 December 2022
contaminated cattle can be diluted to a lower lead concentration and sold for consumption. In Bangladesh, lead chromate has been added to turmeric to make it...
198 KB (21,307 words) - 23:33, 13 July 2024
yellow lead chromate remain, especially in road pavement marking paint. Stripping old paint by sanding produces dust which can be inhaled. Lead abatement...
174 KB (19,008 words) - 01:52, 13 July 2024
zirconium–nickel alloy, zinc, magnesium, etc. Oxidizers: lead dioxide, iron oxides, barium chromate, lead chromate, tin(IV) oxide, bismuth(III) oxide, barium sulfate...
5 KB (503 words) - 10:25, 25 November 2019
of lead and barium chromates as well as soluble chromates were negative in the implantation model of lung carcinogenesis. Yet, soluble chromates are...
66 KB (7,080 words) - 19:36, 1 June 2024
Chrome orange: a now obscure pigment composed of a mixture of lead chromate and lead(II) oxide (PbCrO4•PbO). Arsenic pigments Realgar: As4S4 - a highly...
9 KB (909 words) - 19:07, 22 June 2024
century, after lead-tin yellow had vanished from common use, newer inorganic yellow pigments came into use, such as chrome yellow (lead chromate), cadmium...
6 KB (777 words) - 16:19, 2 March 2024
the precipitates of halide, sulfate, chromate, carbonate, and basic carbonate Pb3(OH)2(CO3)2 salts of lead. Lead(II) forms a series of complexes with chloride...
13 KB (1,466 words) - 18:29, 10 July 2023
Chromated copper arsenate (CCA) is a wood preservative containing compounds of chromium, copper, and arsenic, in various proportions. It is used to impregnate...
15 KB (1,910 words) - 16:22, 19 June 2024
Naples yellow (redirect from Lead antimonite)
pigment. After 1800, Naples yellow was superseded by chrome yellow (lead chromate) cadmium sulfide, and cobalt yellow. Naples yellow is one of the earliest...
11 KB (1,239 words) - 11:39, 17 May 2024
Anodizing (section Sulfuric acid (Type II & III))
developed by the International Lead Zinc Research Organization and covered by MIL-A-81801. A solution of ammonium phosphate, chromate and fluoride with voltages...
34 KB (4,392 words) - 03:48, 28 April 2024
the turmeric with lead chromate: from farmers to merchants selling low-grade turmeric roots to "polishers" who added lead chromate for yellow color enhancement...
34 KB (3,519 words) - 17:10, 12 July 2024
Crocoite (monazite: 1763) 7.FA.20 [1,048] [1,049] [1,050] (IUPAC: lead(II) chromate) Cronstedtite (serpentine: 1821) 9.ED.15 [1,051] [1,052] [1,053] Cronusite...
103 KB (6,708 words) - 17:15, 19 June 2024
Bismuth (section Lead replacement)
as a replacement for barium chromate, which possesses a more greenish cast than the others. In comparison with lead chromate, it does not blacken due to...
62 KB (7,049 words) - 21:56, 12 July 2024
Lead hydrogen arsenate, also called lead arsenate, acid lead arsenate or LA, chemical formula PbHAsO4, is an inorganic insecticide used primarily against...
8 KB (728 words) - 23:49, 29 December 2023
Toxic heavy metal (section Lead)
cancer risk of workers in a chromate dye company. Chromate-induced dermatitis was reported in aircraft workers during World War II. In 1963, an outbreak of...
41 KB (4,208 words) - 17:41, 29 May 2024