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