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class="featurette-divider"> <!-- 中部开始 --> <div class="container"> <!--用于打印和文字放大--> <div class="content_tools_box"> <p class="content_tools"> <a href="javascript:CallPrint('print');">打印本文</a> <a href="javascript:doZoom(14)">小</a> <a href="javascript:doZoom(18)">中</a> <a href="javascript:doZoom(20)">大</a> </p> <div class="clearfix"></div> <script src="/template/f130/skin/js/c_tool.js" type="text/javascript" ></script> </div> <!--/用于打印和文字放大--> <!-- 正文 --> <div class="lead" id="print"> <p style="text-size-adjust: 100%; margin-top: 0px; margin-bottom: 0px; color: rgb(103, 103, 103); font-family: 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255); line-height: 3em;"><span style="text-size-adjust: 100%; font-size: 16px; font-family: 宋体;"> </span><span style="font-family: 黑体; font-size: 18px;">本标准代替</span><span style="font-family: 黑体; font-size: 18px;">GB/T5009.138—2003《食品中镍的测定》。</span></p><p style=";font-family: Calibri;font-size: 14px;white-space: normal;line-height: 48px;background: rgb(255, 255, 255)"><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体"> 本标准与</span>GB/T5009.138—2003</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">相比</span>,</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">主要变化如下</span>:</span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><br/></span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"> ———标准名称修改为“食品安全国家标准食品中镍的测定”;</span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><br/></span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"> ———修订了样品前处理部分内容,</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">增加了微波消解法和干法灰化</span>;</span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><br/></span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"> ———优化了石墨炉原子吸收光谱法的测定条件,</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">增加了基体改进剂</span>;</span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><br/></span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"> ———增加了石墨炉原子吸收光谱法的方法定量限;</span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><br/></span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"> ———删除了第二法比色法。</span></p><p style=";font-family: Calibri;font-size: 14px;white-space: normal;line-height: 48px;background: rgb(255, 255, 255)"><strong><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体"> 微波消解</span></span></strong><span style="font-family: 'Times New Roman';color: rgb(103, 103, 103);font-size: 16px"><br/></span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"> <span style="font-family:黑体"> 称取固体试样</span>0.2 g~0.8 g(精确至0.001 g)</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">或准确移取液体试样</span>0.500 mL~3.00 mL</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">于微波消解罐中</span>,</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">加入</span>5 mL</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">硝酸</span>,</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">按照微波消解的操作步骤消解试样</span>,</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">消解条件参考附录</span>A。冷却后取出消解罐,在电热板上于140</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px">℃</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px">~160</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px">℃赶酸至1 mL</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">左右。消解罐放冷后</span>,</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">将消化液转移至</span>10 mL</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">容量瓶中</span>,</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">用少量水洗涤消解罐</span>2</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">次</span>~3</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">次</span>,</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">合并洗涤液于容量瓶中并用水定容至刻度</span>,</span><span style="font-family: 宋体;color: rgb(103, 103, 103);font-size: 18px"> </span><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">混匀备用。同时做试剂空白试验。</span></span></p><p style=";text-align: center;font-family: Calibri;font-size: 14px;white-space: normal;line-height: 80px;background: rgb(255, 255, 255)"><span style="font-family: 黑体;color: rgb(103, 103, 103);font-size: 18px"><span style="font-family:黑体">表</span>A微波消解升温程序</span></p><p style="text-size-adjust: 100%; margin-top: 0px; margin-bottom: 0px; color: rgb(103, 103, 103); font-family: 微软雅黑; font-size: 14px; text-align: center; white-space: normal; background-color: rgb(255, 255, 255); line-height: 5em;"><span style="text-size-adjust: 100%; font-size: 16px; line-height: 40px; font-family: 宋体;"></span></p><table width="590" align="CENTER"><tbody style="text-size-adjust: 100%;"><tr style="text-size-adjust: 100%;" class="firstRow"><td width="25.0%" valign="top" align="left" style="text-size-adjust: 100%; padding: 0px 3px; font-size: 12px; border-top-color: rgb(0, 0, 0); border-right: none; border-bottom-color: rgb(0, 0, 0); border-left-color: rgb(0, 0, 0); word-break: normal; background-color: transparent;"><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;">步骤</span></span></td><td width="25.0%" valign="top" align="center" style="text-size-adjust: 100%; padding: 0px 3px; font-size: 12px; border-top-color: rgb(0, 0, 0); border-right: none; border-bottom-color: rgb(0, 0, 0); border-left-color: rgb(0, 0, 0); word-break: normal; background-color: transparent;"><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;">设定温度是℃<br/></span></span></td><td width="25.0%" valign="top" align="center" style="text-size-adjust: 100%; padding: 0px 3px; font-size: 12px; border-top-color: rgb(0, 0, 0); border-right: none; border-bottom-color: rgb(0, 0, 0); border-left-color: rgb(0, 0, 0); word-break: normal; background-color: transparent;"><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;">升温时间min</span></span></td><td width="25.0%" valign="top" align="center" style="text-size-adjust: 100%; padding: 0px 3px; font-size: 12px; border-color: rgb(0, 0, 0); word-break: normal; background-color: transparent;"><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;">恒温时间min</span></span></td></tr><tr style="text-size-adjust: 100%;"><td width="25.0%" valign="middle" align="center" style="text-size-adjust: 100%; padding: 0px 3px; font-size: 12px; border-top: none; border-right-color: rgb(0, 0, 0); border-bottom: none; border-left-color: rgb(0, 0, 0); word-break: normal; background-color: transparent;"><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;">1</span></span></td><td width="25.0%" valign="middle" style="text-size-adjust: 100%; padding: 0px 3px; font-size: 12px; border-top: none; border-right-color: initial; border-bottom-color: initial; border-left: none; word-break: normal;" align="center"><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;">120</span></span></td><td width="25.0%" valign="middle" style="text-size-adjust: 100%; padding: 0px 3px; border-top: none; border-right-color: initial; border-bottom-color: initial; border-left-color: initial; word-break: normal;" align="center"><span style="font-family:E-BZ, serif">5</span></td><td width="25.0%" valign="middle" style="text-size-adjust: 100%; padding: 0px 3px; border-top: none; border-right-color: initial; border-bottom-color: initial; border-left-color: initial; word-break: normal;" align="center"><span style="font-family:E-BZ, serif">5</span></td></tr><tr style="text-size-adjust: 100%;"><td width="25.0%" valign="middle" align="center" style="text-size-adjust: 100%; padding: 0px 3px; font-size: 12px; border-top-color: rgb(0, 0, 0); border-right-color: rgb(0, 0, 0); border-bottom: none; border-left-color: rgb(0, 0, 0); word-break: normal; background-color: transparent;"><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;">2</span></span></td><td width="25.0%" valign="middle" style="text-size-adjust: 100%; padding: 0px 3px; font-size: 12px; border-color: initial; border-left-width: initial; border-left-style: none; word-break: normal;" align="center"><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;">160</span></span></td><td width="25.0%" valign="middle" style="text-size-adjust: 100%; padding: 0px 3px; border-color: initial; word-break: normal;" align="center"><span style="font-family:E-BZ, serif">5</span></td><td width="25.0%" valign="middle" style="text-size-adjust: 100%; padding: 0px 3px; border-color: initial; word-break: normal;" align="center"><span style="font-family:E-BZ, serif">10</span></td></tr><tr style="text-size-adjust: 100%;"><td width="25.0%" valign="middle" align="center" style="text-size-adjust: 100%; padding: 0px 3px; font-size: 12px; border-color: rgb(0, 0, 0); word-break: normal; background-color: transparent;"><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;">3</span></span></td><td width="25.0%" valign="middle" style="text-size-adjust: 100%; padding: 0px 3px; border-color: initial; border-left-width: initial; border-left-style: none; word-break: normal;" align="center"><span style="font-family:E-BZ, serif">180</span></td><td width="25.0%" valign="middle" style="text-size-adjust: 100%; padding: 0px 3px; font-size: 12px; border-color: initial; word-break: normal;" align="center"><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;">5</span></span></td><td width="25.0%" valign="middle" style="text-size-adjust: 100%; padding: 0px 3px; font-size: 12px; border-color: initial; word-break: normal;" align="center"><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;">10</span></span></td></tr></tbody></table><p><span style="font-family:E-BZ, serif"><span style="text-size-adjust: 100%; font-size: 16px;"><strong style="text-size-adjust: 100%;"><br/></strong></span></span></p><p style="text-size-adjust: 100%; margin-top: 0px; margin-bottom: 0px; color: rgb(103, 103, 103); font-family: 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 32px;"><strong style="text-size-adjust: 100%; font-family: E-BZ, serif; font-size: 16px;"><br/></strong></p><p style="text-size-adjust: 100%; margin-top: 0px; margin-bottom: 0px; color: rgb(103, 103, 103); font-family: 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 32px;"><strong style="text-size-adjust: 100%; font-family: E-BZ, serif; font-size: 16px;">微波消解类产品展示</strong></p><p style="text-size-adjust: 100%; margin-top: 0px; margin-bottom: 0px; color: rgb(103, 103, 103); font-family: 微软雅黑; font-size: 14px; white-space: normal; background-color: rgb(255, 255, 255); text-indent: 32px;"><strong style="text-size-adjust: 100%; font-family: E-BZ, serif; font-size: 16px;"></strong></p><p style="text-align: center"><img src="/cn/upload/images/202106/16244663425230.png" title="16244663425230.png" alt="图片1.png"/></p><p style="text-align: center; font-family: Calibri; font-size: 14px; white-space: normal;"><span style="font-family: 微软雅黑;color: rgb(88, 88, 88);font-size: 14px"></span></p><p style="text-align: center; font-family: Calibri; font-size: 14px; white-space: normal;"><span style="font-family: 微软雅黑;color: rgb(88, 88, 88);font-size: 14px">XT-9916型 密闭式智能微波消解/萃取仪</span></p><p style="text-align: center; font-family: Calibri; font-size: 14px; white-space: normal;"><span style="font-family: 微软雅黑;color: rgb(88, 88, 88);font-size: 14px"></span><br/></p><p style="font-family: Calibri; font-size: 14px; white-space: normal;"><span style="font-family: 微软雅黑;color: rgb(88, 88, 88);font-size: 14px"><br/></span></p><p style="font-family: Calibri; font-size: 14px; white-space: normal;"><span style="font-family: 微软雅黑;color: rgb(88, 88, 88);font-size: 14px"></span></p><p style="text-align: center"><img src="/cn/upload/images/202106/16244666044218.png" title="16244666044218.png" alt="图片2.png"/></p><p style="text-align: center; font-family: Calibri; font-size: 14px; white-space: normal;"><span style="font-family: 微软雅黑;color: rgb(88, 88, 88);font-size: 14px"></span></p><p style="text-align: center; font-family: Calibri; font-size: 14px; white-space: normal;"><span style="font-family: 微软雅黑;color: rgb(88, 88, 88);font-size: 14px">XT-MUI型 （妙系列）密闭式智能微波消解萃取仪</span></p><p style="text-align: center; font-family: Calibri; font-size: 14px; white-space: normal;"><span style="font-family: 微软雅黑;color: rgb(88, 88, 88);font-size: 14px"></span><br/></p><p 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