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Chrome orange
Chrome orange, also known as chrome red, is a range of orange pigments which consists of lead(II) chromate and lead(II) oxide. (PbCrO4 and PbO). Chrome orange can be made by precipitating lead(II) together with chromate in a basic solution or by treating chrome yellow with lye. It is safe both from the contained lead and from the contained hexavalent chromium. It was used in the past as a pigment in paints, but is now restricted or illegal because of the drive to reduce or remove chrome and its compounds from paints. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Chrome orange」の詳細全文を読む
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