Sink or Float: It’s About Specific Gravity
Gravity decides
Agarwood sinks when denser than water. More resin replaces wood, raising specific gravity—hence "sinks / half-sinks / floats" as a rough grade. Traditionally sinking means richer oil.
Don’t over-rely
But sinking only measures density, not necessarily better aroma. Some kyara is prized without chasing sink; oil-injection can fake it. Science summary; judge by scent and legal source.
Compiled for general knowledge; traditional references are cultural notes, not medical advice.
常见问题
Sink or Float是什么？
"Sinking" means oil-dense enough to sink—an intuitive grade, but not the only quality standard.
如何鉴别沉香的真假？
鉴别沉香需综合感官与辅助手段：天然沉香香气清雅、持久、凉甜交织，燃烧烟气清白而非刺鼻；可结合 GC-MS 色谱检测特征成分（色酮、倍半萜）。建议通过可信渠道与可溯源凭证降低风险。
沉香怎么选购？
选购沉香应认准可溯源、可检测的渠道，按用途选择形态（线香 / 手串 / 原料），不盲目追高、不轻信「野生」「沉水」等夸大宣传。
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