He said he was not currently using melamine. But he then pulled out a plastic bag containing what he said was melamine powder and said he could dye it any color to match the right feed stock.

他说，他目前也没有用到三聚氰胺。但随后他拿出一张一个塑料袋子，里面装的据说就是三聚氰胺粉，并说这种物质可以作为染料使得产品的颜色与饲料的原料一样。

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Yan Weixing: Let's talk about the third category of factors - non-edible substances, like "lean meat powder", melamine, as well as industrial dye, that we often see.

严卫星：第三块，就刚刚我们讨论的非食用物质的添加，瘦肉精的问题，三聚氰胺的问题，还有工业染料的问题等等，不断的一系列出现这些问题。

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The analytical method of melamine in milk and milk powder by high performance liquid chromatography was established.

建立了奶粉和液态奶中三聚氰胺的高效液相色谱检测方法。

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