颜料 Dyes and Pigments ; Pigments ; Pigments for printing inks ; Pigments for food and pharmaceuticals
制造颜料用化学制剂 Pigments
珠光颜料 PIGMENTS
彩塑颜料 Painted Sculpture Pigments
土色颜料 Earth-colored Pigments
壁画和彩塑颜料 Mural and Sculpture Pigments
染料和颜料 Dyes and Pigments
好利得颜料 HOLLIDAY PIGMENTS
有机颜料 Organic Colour Pigments ; Organic Pigments
颜料及填充剂 Pigments & Extenders
The original white lead pigments have oxidized and turned black.
原来白色的铅颜料已经氧化发黑了。
You can see why this type of analysis requires a knowledge of the history of pigments, right?
你能明白为什么这种分析需要了解颜料的历史了，对吧？
You'd have to know what pigments he used, in other words, what ingredients he used to make different colors of paint, because the ingredients used in paints and binding agents have changed over time.
你要知道他使用了什么颜料，换句话说，他用了什么原料来制造不同颜色的油漆，因为油漆中使用的原料和结合剂都随着时间的推移而改变。
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