回复: 氯化钠就是食盐吗?
  
# 21
Thatiseno
Thu, 24 Jul 2008 19:47:35 +0000
  
看纯度吧
# 22
MarsBear
Thu, 24 Jul 2008 19:48:41 +0000
  
原帖由 
Thatiseno 于 2008-7-24 19:47 发表 

看纯度吧 
99.99%呢?
# 23
Thatiseno
Thu, 24 Jul 2008 19:51:00 +0000
  
还要看有什么杂质吧
# 24
527999091
Thu, 24 Jul 2008 19:53:34 +0000
  
要是有0.01%的Po就 
# 25
Thatiseno
Thu, 24 Jul 2008 19:56:58 +0000
  
 
 
它在吃纯度为99.9%的NaCl with 0.01% Po