Specification of Chrome Yellow Ex Turkey 25 Kg
Chrome yellow is lead chromate (PbCrO4). It occurs naturally as the mineral crocoite but the mineral has never been used as a pigment for paint. Chrome has been produced by mixing solutions of lead nitrate and potassium chromate and filtering off the lead chromate precipitate.
Because it is hydrogen sulfide and darken on exposure to water over time, forming lead sulfide, it contains lead, a toxic, heavy metal and toxic and carcinogenic chromate as well it was originally replaced by another pigment, cadmium yellow (mixed with enough cadmium orange to produce a color equivalent to chrome yellow). Darkening may occur as well by reducing with sulfur dioxide. Good quality pigments have been coated to inhibit contact with gases that can change their color.
For asking price or more information, please contact us at:
PT. Graha Jaya Pratama Kinerja
Mutiara Taman Palem Blok B3 No.38
Jl.Kamal Raya Outer Ring Road Cengkareng 11730
www.grahachemical.co.id
www.grahajayapratamakinerja.com
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Agro Chemistry
Chemicals
