The red color of modern lipstick can come from synthetically derived pure iron oxide (one of the components of rust), however most leading brands use the more economical synthetic colors.

现代红色唇膏可以来自综合所得纯铁氧化物(无锈的一个组成部分)，但最领先的品牌使用更经济的合成颜色。

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Study the pretreatment of cyanide tailings from Penglai gold smelting plant and make the optimal processing condition of cyanide tailings' pretreatment and red iron oxide 's production.

以蓬莱黄金冶炼厂金矿氰化尾渣为原料，主要对氰化尾渣的预处理及铁红制备进行了详细的研究，得出了氰化尾渣提金和制备纳米氧化铁红的最佳的工艺条件。

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The principle and the process of preparing iron oxide red from pyrite cinder were studied. The factors affecting the synthesis reaction and the process conditions of calcination were examined.

研究了以硫铁矿烧渣为原料制备铁红的工艺过程及原理，详细探讨了合成反应的各种影响因素及煅烧工艺条件。

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