Unverified78% confidenceDecision RuleTime unknown
看纸张原生浆纯度：撕开后纤维长且均匀、无黑点杂质为原生木浆；掺竹浆的偏黄但更韧，纯白且掉粉严重的可能添加了过量荧光增白剂，可用验钞灯照射有明显蓝紫色荧光则不建议购买
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
Sources
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