[KongchangAI]
Unverified92% confidenceFactTime unknown

含铁粉溶解成分(如巯基乙酸铵/TGA)的清洗剂喷涂后会变紫红色,是与嵌入铁屑发生化学反应的标志,紫色越浓说明铁粉污染越重、清洗越彻底

1
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92%
Confidence
Long-term
Relevance
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