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The authors claimed that the Gd(OH)CO3•H2O has no adsorption-desorption hysteresis in N2 adsorption isotherm, which indicate there is no mesopore. This statement is wrong. Mesoporous silica MCM-41 also has no adsorption-desorption hysteresis but it is a common mesoporous material with very large surface area (ca. 1000 m2/g). The authors could insert a pore size distribution curve in Fig.S4 as in done Fig 3. Then it should be clear there is no peak in the curve.

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Originally posted by wandaohzl at 2011-05-16 10:40:20:
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xjajx(½ð±Ò+1): ¹ÄÀø½»Á÷ 2011-05-16 16:42:03
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Originally posted by haodehen at 2011-05-16 10:33:50:
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The authors claimed that the Gd(OH)CO3•H2O has no adsorption-desorption hysteresis in N2 adsorption isotherm, which indicate there is no mesopore. This s ...

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