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98知識+
News98
110 episodes
2 months ago

知識雖冷,心很熱。98知識+,讓你知識多增加。
 
 
聯絡我們:news98radio@gmail.com

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知識雖冷,心很熱。98知識+,讓你知識多增加。
 
 
聯絡我們:news98radio@gmail.com

Powered by Firstory Hosting

Show more...
Education
Leisure,
Science
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銀針真的可以試毒嗎?
98知識+
1 year ago
銀針真的可以試毒嗎?

【98有聲書房】開張,訂閱收藏News98精選有聲書:https://apple.co/44KcuRo


武俠小說裡,常會看到用銀針來試毒。但事實上,銀針試不出所有的毒,只有砒霜。

因為古代的生產技術落後,使得砒霜裡都摻留有少量的硫和硫化物,而它和銀一接觸,就會產生化學反應,使銀針的表面生成一層黑色的「硫化銀」,這就像我們在泡溫泉時,不能配戴銀飾品的道理相同。所以人們便利用這一點,拿銀針來試毒。

只是,以前的毒藥大多含有硫化物,以銀針試毒還勉強可以,而現在技術比古時候進步得多,可不能傻傻地還用這種方法哦。。


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▍九八新聞台@大台北地區 FM98.1 
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98知識+

知識雖冷,心很熱。98知識+,讓你知識多增加。
 
 
聯絡我們:news98radio@gmail.com

Powered by Firstory Hosting