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偶氮 AZO测试
Author：iPEN    Click：955    Time：2015/5/15
AZO定义：偶氮化合物
主要存在纺织品、皮革等染料中，具有致癌的危险，所以欧美国家对其是强制的限量使用。
请注意，并不是所有的偶氮燃料都有害，目前限制的只有22种（或24种），限量是每种物质的含量不超过0.003%，并不是所有物质之和。
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