贝士德纤维膜孔径分析-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 style="white-space: normal;"><span style="color: rgb(51, 51, 51); font-family: SimSun; font-size: 13.3333px; line-height: 22px; background-color: rgb(204, 226, 247);">BSD-PB纤维膜孔径测试，其基本原理为气液排驱技术（泡压法）：给膜两侧施加压力差，克服膜孔道内的浸润液的表面张力，驱动浸润液通过孔道，依此获得膜类材料的</span><span style="font-family: SimSun; font-size: 13.3333px; line-height: 22px; color: rgb(153, 51, 0); background-color: rgb(204, 226, 247);"><strong>通孔孔喉</strong></span><span style="color: rgb(51, 51, 51); font-family: SimSun; font-size: 13.3333px; line-height: 22px; background-color: rgb(204, 226, 247);">的孔径数� ，同时该方法也是ASTM薄膜测定的标准方法�?nbsp;</span>该仪器可<span style="color: rgb(153, 51, 0);"><strong>准确测试</strong></span>：滤膜、中空纤维膜、滤芯、电池隔膜、织物、无纺布、陶瓷、烧结金属等材料的通孔的孔喉信息、�span style="color: rgb(51, 51, 51); font-family: SimSun; font-size: 13.3333px; line-height: 22px; background-color: rgb(204, 226, 247);">泡压法获得孔径数据可准确表征膜类材料研究者关心的通孔孔喉信息＋�/span><span style="font-family: SimSun; font-size: 13.3333px; line-height: 22px; color: rgb(153, 51, 0); background-color: rgb(204, 226, 247);"><strong>避免</strong></span><span style="color: rgb(51, 51, 51); font-family: SimSun; font-size: 13.3333px; line-height: 22px; background-color: rgb(204, 226, 247);">了吸附法、压汞法等方法所测试数据包含了盲孔、表面凸凹、缝隙等非有效孔径信息的问题，适用于研发、生产膜类材料及相关的科研单位和企业用户、�/span></p><table cellspacing="0" cellpadding="0" width="668" height="36"><tbody><tr class="firstRow"><td bgcolor="#bcbab9"><span style="font-size: medium;"><strong> 测试功能９�/strong></span></td></tr></tbody></table><p style="white-space: normal;">◆泡点压劚�span style="font-size: small;"></span></p><p style="white-space: normal;">◆泡点孔�?nbsp; </p><p style="white-space: normal;">�?小孔徃�/p><p style="white-space: normal;">◆平均孔徃�/p><p style="white-space: normal;">◆湿膜流�?压力曲线（湿式曲线）</p><p style="white-space: normal;">◆干膜流�?压力曲线（干式曲线）</p><p style="white-space: normal;">◆孔径分市�/p><p style="white-space: normal;">◆渗透率</p><p style="white-space: normal;">◆气体通量 <br/><strong>◅�/strong>完整性评�?nbsp;<strong><br/></strong><strong>◅�/strong>纤维膜破裂压劚�strong> <br/></strong></p><p style="white-space: normal;">◆液体通量 <br/> </p><table cellspacing="0" cellpadding="0" width="668" height="36"><tbody><tr class="firstRow"><td bgcolor="#bcbab9"><span style="font-size: medium;"><strong> 产品特点：</strong></span></td></tr></tbody></table><p style="white-space: normal;">� 孔径测试范围�?.02-500 μm ：�br/></p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px;">� 多样品池设计针对不同尺寸样品，特殊样品可单独设计：�/p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px;">�?nbsp;具有全自动真空助润装置，可大大加速浸润时间，提高测试效率50%以上：�/p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px;">�?nbsp;根据待测样品不同，多种浸润液体可选；</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px;">�?nbsp;可测试滤芯等特殊外观样品；</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px;">�?nbsp;高精度双流量传感器，流量分段测量，量程互补，自动切换；</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px;">�?nbsp;高精度双压力传感器，分段压力测试，程序自动判断，自动切换；</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px;">�?nbsp;全不锈钢管路，金属硬密封，密封性好，耐压高，耐腐蚀：�/p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px;">�?nbsp;�?nbsp;全程自动化智能化运行，无需人工值守，亲和的真人语音操作提示：�/p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px;">�?nbsp;详尽的仪器运行日志显示与记录，可精确到秒，全程实验记录可追溯；<br/></p><p style="white-space: normal;"><br/></p><table cellspacing="0" cellpadding="0" width="668" height="36"><tbody><tr class="firstRow"><td bgcolor="#bcbab9"><span style="font-size: medium;"><strong>�?nbsp; 测试理论９�/strong></span></td></tr></tbody></table><p class="bt" microsoft="" style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px; line-height: 1.2; font-weight: bold;"> </p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px;"> 以某种膜材料为例，将膜用可与其浸润的液体充分润湿，由于表面张力的存在，浸润液将被 束缚在膜的孔隙内；给膜的一侧加以逐渐增大的气体压强，当气体压强达到大于某孔径内浸润液的表面张力产生的压强时，该孔径中的浸润液将被气体推出；由于孔径越小，表面张力产生的压强越高，所以要推出其中的浸润液所需施加的气体压强也越高；同样，可知，孔�?*的孔内的浸润液将首先会被推出，使气体透过，然后随着压力的升高，孔径由大到小，孔中的浸润液依次被推出，使气体透过，直至全部的孔被打开，达到与干膜相同的透过率；</p><p style="margin-top: 0px; margin-bottom: 0px; white-space: normal; padding: 0px; border: 0px;"> 首先被打开的孔所对应的压力，为泡点压力，该压力所对应的孔径为**孔径�?nbsp;在此过程中，实时记录压力和流量，得到压力-流量曲线；压力反应孔径大小的信息，流量反应某种孔径的孔的多少的信息；然后再测试出干膜的压�?流量曲线，可根据相应的公式计算得到该膜样品的**孔径、平均孔径�?小孔径以及孔径分布、透过率、�/p><p style="white-space: normal;"><strong><span style="font-size: medium;"> </span></strong><strong><span style="font-size: medium;">﻾�/span></strong></p><p style="white-space: normal;"><br/></p><table cellspacing="0" cellpadding="0" width="668" height="36"><tbody><tr class="firstRow"><td bgcolor="#bcbab9"><strong><span style="font-size: 18px;"> 测试报告９�/span></strong></td></tr></tbody></table><p style="white-space: normal;"><img src="https://img1.cnpowder.com.cn/img/daily/2023/09/07/143441_411126_procont.jpg" title="143441_411126_procont.jpg" alt="PB.jpg" width="662" height="358" style="width: 662px; height: 358px;"/></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;"> � 高精度双流量传感器，流量分段测量，量程互补，自动切换；<br /> � 高精度双压力传感器，分段压力测试，程序自动判断，自动切换； </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 class="xgfa_cont"><a href="//www.znpla.com/best17/solution_215.html" target="_blank" class="xgfa_cont_img"><img src="https://img1.cnpowder.com.cn/img/daily/2020/08/03/164106_897434_solution_10965.jpg"/></a> <div class="xgfa_cont_rig"><a href="//www.znpla.com/best17/solution_215.html" target="_blank">贝士德仪器：2020药典�?�?答和两新增比表面积测定和固体密度测试解读</a> <p class="xgfa_cont_txt">[导读] 对药典新增比表面积测定法和固体密度测定法的解读和仪器应对方案� 近日，国家药监局发布�?020年版《中国药典》将�?020�?2�?0日起开始实施。本版药典持续完善了以凡例为基本要求、总则丹�/p><div class="xgfa_cont_time"> <p>2020-08-03</p></div></div></div><div class="xgfa_cont"><a href="//www.znpla.com/best17/solution_767.html" target="_blank" class="xgfa_cont_img"><img src="https://img1.cnpowder.com.cn/img/daily/2024/07/03/164508_034215_solution_10965.jpg"/></a> <div class="xgfa_cont_rig"><a href="//www.znpla.com/best17/solution_767.html" target="_blank">多孔材料 吸附表征解决方案</a> <p class="xgfa_cont_txt"> 多孔材料：是一类包含大量孔隙的材料，这类多孔固体材料主要由形成材料本身基本构架的连续固相和形成孔隙的流体介质相所组成，流体介质主要为气体� 多孔材料普遍存在于我们的周围，在结构、缓冲、减振、隔热�?/p><div class="xgfa_cont_time"> <span>能源</span><p>2024-07-03</p></div></div></div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); 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