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marktiger: ½ð±Ò+1, »¶Ó­²ÎÓ룬»¶Ó­³£À´¡£ 2012-11-28 08:36:03
For your reference:
0.1N HCL solution preparation: dilute 8.5 mL of concentrated HCl (37%) with DI water to 1000mL.
If you think water may affect your pH, you can measure your water pH to confirm if there is any difference. I am not sure that water is your root cause. I think if you try the standard way (I provide to you) for three times and have different pH, you may think about your pH meter or if your solution is mixed well.  Normally we prepare 25L one time. I don¡¯t know what volume you prepare. You need mix well by stirring for at least 10min.
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2Â¥: Originally posted by ruomeng at 2012-11-28 00:46:15
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3Â¥: Originally posted by catwithdog at 2012-11-28 02:44:13
For your reference:
0.1N HCL solution preparation: dilute 8.5 mL of concentrated HCl (37%) with DI water to 1000mL.
If you think water may affect your pH, you can measure your water pH to confirm i ...

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