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4Â¥: Originally posted by st2878 at 2018-10-08 15:14:46
SiO2  was added to a solution of NaHSO4∙H2O (30 mmol, 4.14
g) in distilled water, and the mixture was stirred at room temperature for 0.5 h. The water was removed by rotary
evaporator under  ...

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5Â¥2018-10-08 22:22:10
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2Â¥2016-03-24 00:00:15
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2Â¥: Originally posted by ÊÀ¾ô777 at 2016-03-24 00:00:15
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3Â¥2016-03-24 06:58:34
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Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
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3Â¥: Originally posted by sweety01232 at 2016-03-24 06:58:34
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...

SiO2 [Wakogel C-200 (Wako Pure Chemical Ind. Ltd.), 10 g] was added to a solution of NaHSO4∙H2O (30 mmol, 4.14
g) in distilled water, and the mixture was stirred at room temperature for 0.5 h. The water was removed by rotary
evaporator under reduced pressure, and the resulting reagent was dried in vacuo (10 mmHg) at 120 ¡ãC for 5 h.
4Â¥2018-10-08 15:14:46
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