Unverified80% confidenceDecision RuleTime unknown
鉴别纯精油掺假:将精油滴于白纸自然挥发,纯精油挥发后不留油渍(除少数厚重精油),若留明显油斑说明掺了植物油;同时看GC-MS成分检测报告和批次号可溯源
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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Unverified用滴纸测试判断纯度:纯精油滴在纸巾上完全挥发后不留油渍(除黏稠的檀香、广藿香等基调油外),若残留明显油斑说明掺入了植物油或矿物油86% similarUnverified判断精油纯度的实用方法:滴一滴在白纸上,纯精油挥发后不留油渍或仅有极淡痕迹,若留下明显油圈说明掺入了植物基础油或矿物油;同时正品应标注批次号、拉丁学名、产地和萃取部位86% similarUnverified标注100%纯精油的产品滴在纸巾上应完全挥发不留油渍,若干后留有明显油斑则掺入了基础油或矿物油稀释81% similarUnverified深色或含色素精油(如广藿香、部分调和油)滴在白色石膏上会留下永久性黄褐色油渍,作为长期装饰用途应选浅色透明精油,或从背面/底部滴香77% similarUnverified干撒料需刷油配合才能挂料并激发脂溶性香气(孜然、辣椒素多为脂溶性);纯干撒不刷油会导致香料附着差、味道寡淡,属常见误用77% similar
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