包装纸中的VOC检�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong><span>卷烟条与盒包装纸中挥发性有机化合物的测宙�/span></strong><strong></strong></p><p><strong></strong></p><p><strong><span> -----北分三谱</span></strong><strong></strong></p><p><span>1�?/span><span>在全社会日益关注消费品的安全、卫生、环保要求的大背景下，国家烟草总局�?007年出台了关于烟草包装溶剂残留限量的强制性行业标准：《卷烟条与盒包装纸中挥发性有机化合物的限量》，并为此限量标准的实施制定了相应的检测办法：《YC/T207-2006 卷烟条与盒包装纸中挥发性有机化合物的测� 顶空-气相色谱法《�/span><span>分析的物质主�?/span><span>为国家中烟规定的16项例妁�/span><span><span>苯、苯系物、醇类、酮类、酯类、�/span></span></p><p><span>2. <span>分析方法主要是根�?/span><span>YC/T 207-2006</span><span>：�/span></p><p><span>3. <span>前处理方法非常简单，准确裁取</span><span>面积丹�/span>80cm2<span>的接装纸（水松纸（�/span><span>样品，将所裁纸样的印刷面朝里卷成筒犵�/span><span>（筒状的中间一定是空心（�/span><span>，立即放入顶空瓶，加�?/span>1000��L<span>三醋酸甘油酯，密�?/span><span>，上下震荡顶空瓶，使得接装纸被三醋酸甘油酯充分润湾�/span><span>、�/span><span>（由于接装纸内的</span>VOC<span>大部分为</span><span>痕量</span><span>，因正�/span><span>制样应快速准�?/span><span>（�/span></p><p><span>4. GC<span>仪器型号</span><span>GC7900+AHS-20A plus</span><span>，我们是单进栶�/span>+<span>友�/span><span>FID</span><span>检测器：�/span></p><p><span>仪器型号９�/span><span>福立</span>7900</span><span>：�/span></p><p><span>检测器：双</span><span>FID</span><span>：�/span></p><p><span>柱子９�/span>HP-1<span>＋�/span><span>HP-1wax</span><span>：�/span></p><p><span>进样</span><span>叢�/span><span>温度</span><span>９�/span><span> 50</span><span>ℂ�/span><span>：�/span></p><p><span>zui高柱�?/span><span>９�/span><span>260</span><span>ℂ�/span><span>：�/span></p><p><span>检测器温度</span><span>９�/span><span>30</span><span>0</span><span>ℂ�/span><span>＋�/span><span>氢气</span>45ml/min<span>，空氓�/span><span>450ml/min</span></p><p><span>载气：氮气；</span></p><p><span>流速：</span>14.5psi</span></p><p><span>程序升温９�/span><span>50<span>℃，保持</span><span>9min</span><span>，然后以</span><span>9</span><span>ℂ�/span><span>/min</span><span>的速率升温臲�/span><span>180</span><span>℃，保持</span><span>3min</span></p><p><span>进样方式９�/span>AHS-</span><span>20A plus<span>全自�?/span><span>顶空进样器；</span></p><p><span>样品平衡温度９�/span>80<span>ℂ�/span></p><p><span>阀箱温度：</span>80<span>ℂ�/span></p><p><span>传输线温度：</span>120<span>ℂ�/span></p><p><span>样品平衡时间９�/span>50<span>刅�/span></p><p><span>样品瓶加压时间：</span>0.2<span>科�/span></p><p><span>进样时间９�/span>0.05<span>科�/span></p><p><span>定性分枏�/span><span>取单个样进行顶空</span>-<span>气相色谱分析，确定其保留时间，分别测定所有标样，确定标样的保留时间、�/span></p><p><span>定量分析：工作曲线绘刵�/span><span>以相应条、盒包装纸原纸为样品基质，制取试样，分别加入</span>1000ul<span>�?/span><span>1-5</span><span>级标准溶液，进行顶空</span><span>-</span><span>气相色谱＇�/span><span>HS-GC</span><span>）分析。每级标准溶液重复测定两次，取平均值。根据目标化合物的峰面积及其含量（将标液浓度换算为单位面积包装纸中所含化合物的质量数＋�/span><span>mg/m2</span><span>），建立相应工作曲线，工作曲线强制过原点、�/span></p><p><span>5. <span>标准样品的完整色谱图</span></p><p></p><p></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="301234" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">