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一种检测右兰索拉唑原料药有关物质的方法,其特征是:色谱柱:phenomenex Kinetax 2.6μm XB‑C18,100F 4.6mm×50mm;缓冲液:乙腈:10mmol/L磷酸氢二钾水溶液是约1:10,v/v;其中10mmol/L磷酸氢二钾水溶液的pH值是约6.5;有机相:乙腈;梯度程序:<tables num="0001" wi="165"><table><tgroup cols="3"><colspec colname="c001" colwidth="29%" /><colspec colname="c002" colwidth="35%" /><colspec colname="c003" colwidth="36%" /><tbody><row><entry morerows="1">时间min</entry><entry morerows="1">缓冲液%,v/v</entry><entry morerows="1">有机相%,v/v</entry></row><row><entry morerows="1">0</entry><entry morerows="1">5</entry><entry morerows="1">95</entry></row><row><entry morerows="1">2</entry><entry morerows="1">25</entry><entry morerows="1">75</entry></row><row><entry morerows="1">7</entry><entry morerows="1">25</entry><entry morerows="1">75</entry></row><row><entry morerows="1">12</entry><entry morerows="1">67</entry><entry morerows="1">33</entry></row><row><entry morerows="1">18</entry><entry morerows="1">67</entry><entry morerows="1">33</entry></row></tbody></tgroup></table></tables>检测波长:285nm;流速:1.0ml/min;柱温:25℃;进样量:10μl;运行时间:18min;后运行:3min;其中所述方法用于检测右兰索拉唑原料药中有关物质A、有关物质B、有关物质C和有关物质D。 |