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1.一种富钛层状钛硅分子筛,其特征在于富钛层状钛硅分子筛是以硅、钛、氧为骨架元素,其摩尔组成用氧化物的形式表示为xTiO<sub>2</sub>:SiO<sub>2</sub>,其中x为0.001~0.02,其XRD谱图含有表中所示的谱线;<tables num="0001"><table><tgroup cols="3"><colspec colname="c001" colwidth="37%" /><colspec colname="c002" colwidth="37%" /><colspec colname="c003" colwidth="25%" /><tbody><row><entry morerows="1">2θ/<sup>o</sup></entry><entry morerows="1">d/Å</entry><entry morerows="1">I/I<sub>0</sub>′100</entry></row><row><entry morerows="1">6.64<u>+</u>0.08</entry><entry morerows="1">13.30<u>+</u>0.21</entry><entry morerows="1">s</entry></row><row><entry morerows="1">7.26<u>+</u>0.12</entry><entry morerows="1">12.16<u>+</u>0.19</entry><entry morerows="1">vs</entry></row><row><entry morerows="1">7.98<u>+</u>0.14</entry><entry morerows="1">11.15<u>+</u>0.16</entry><entry morerows="1">s</entry></row><row><entry morerows="1">9.78<u>+</u>0.18</entry><entry morerows="1">9.04<u>+</u>0.15</entry><entry morerows="1">vs</entry></row><row><entry morerows="1">12.90<u>+</u>0.20</entry><entry morerows="1">6.80<u>+</u>0.14</entry><entry morerows="1">m</entry></row><row><entry morerows="1">14.40<u>+</u>0.19</entry><entry morerows="1">6.15<u>+</u>0.14</entry><entry morerows="1">s</entry></row><row><entry morerows="1">15.80<u>+</u>0.22</entry><entry morerows="1">5.58<u>+</u>0.12</entry><entry morerows="1">m</entry></row><row><entry morerows="1">19.46<u>+</u>0.25</entry><entry morerows="1">4.58<u>+</u>0.11</entry><entry morerows="1">w</entry></row><row><entry morerows="1">20.18<u>+</u>0.17</entry><entry morerows="1">4.37<u>+</u>0.15</entry><entry morerows="1">w</entry></row><row><entry morerows="1">22.02<u>+</u>0.20</entry><entry morerows="1">4.03<u>+</u>0.14</entry><entry morerows="1">m</entry></row><row><entry morerows="1">22.76<u>+</u>0.22</entry><entry morerows="1">3.90<u>+</u>0.12</entry><entry morerows="1">s</entry></row><row><entry morerows="1">25.16<u>+</u>0.30</entry><entry morerows="1">3.54<u>+</u>0.10</entry><entry morerows="1">m</entry></row><row><entry morerows="1">26.20<u>+</u>0.30</entry><entry morerows="1">3.40<u>+</u>0.10</entry><entry morerows="1">vs</entry></row><row><entry morerows="1">27.36<u>+</u>0.46</entry><entry morerows="1">3.29<u>+</u>0.07</entry><entry morerows="1">m</entry></row></tbody></tgroup></table></tables>其中w:<20;m:20-50;s:50-80;vs:80-100。 |