ASA-M3/R皮肤角质层含水量测试�?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"> <div><div>全部产品 > 化妆品分析测试仪� > 皮肤测试 > 正文</div></div><div><span>角质层含水量反映了角质层的生理功胼�/p><p>，正常情况下，角质层中的水是结合水，在含水量低（大约20%，W/W）时，角质层中的角质形成细胞并不随水的增多而膨胀；而在含水量高（大�?7%，W/W）时，角质层中的角质形成细胞随水的增多而膨胀、�/span><span>ASA-M3/R</span><strong>皮肤角质层含水量测试�?/strong><span>是基亍�/span><span>电导法，利用角质层中电解质的导电性，当测试探头与皮肤接触后呈现出的与含水量相应的电导，其相关系数可达�?.99，因此电导的变化可非常灵敏地反映角质层含水量。而与电容法相比，电导法对含水量较高的皮肤更敏感些、�/span><p>ASA-M3/R<strong>皮肤角质层含水量测试�?/strong>特点９�/p><p>接触压力可以改变，使其几乎保持恒定，大限度地减少接触误差，实现精确测野�/p><p>接触压力可达25g，所以可以测量实验动�?/p><p>通过消除电解质成分对皮肤表面的影响，准确测量角质层水分含野�/p><p>离子指数可以评估皮肤屏障功能</p><p>可以评估化妆品和化学成分在角质层和皮肤表面的残留和保留能劚�/p><p>自动切换应用电压，可在良好条件下进行测量</p><p>通过全数字处理，可以实现一键校凅�/p><p>通过RS232C数字信号输出，可以将数据导入到计算机�?/p><p>ASA-M3/R<strong>皮肤角质层含水量测试�?/strong>测量举例９�/p><p>P值与TEWL值相关联，屏障功能可以和水分含量同时测定、�/p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td><p><span><span>测定部位</span></span></p></td><td><p><span><span>经皮水分丢失野�/span></span></p><p><span><span> ＇�/span></span><span>g/�?h</span><span><span>（�/span></span></p></td><td><p><span><span>离子指数P</span></span></p><p><span><span>〔％〔�/span></span></p></td><td><p><span><span>角层水分野�/span></span></p><p><span><span>W</span></span><span><span>(</span></span><span><span>��S)</span></span></p></td></tr><tr><td><p><span><span>正常前腕</span></span></p></td><td><p><span><span>7.2</span></span></p></td><td><p><span><span>4.7</span></span></p></td><td><p><span><span>15.4</span></span></p></td></tr><tr><td><p><span><span>正常胸部</span></span></p></td><td><p><span><span>6.5</span></span></p></td><td><p><span><span>4.6</span></span></p></td><td><p><span><span>38.5</span></span></p></td></tr><tr><td><p><span><span>脱皮部分</span></span></p></td><td><p><span><span>14.5</span></span></p></td><td><p><span><span>19.1</span></span></p></td><td><p><span><span>34.7</span></span></p></td></tr><tr><td><p><span><span>指头</span></span></p></td><td><p><span><span>16.3</span></span></p></td><td><p><span><span>27.2</span></span></p></td><td><p><span><span>7.9</span></span></p></td></tr><tr><td><p><span><span>肘部</span></span></p></td><td><p><span><span>25</span></span></p></td><td><p><span><span>43.7</span></span></p></td><td><p><span><span>3.5</span></span></p></td></tr><tr><td><p><span><span>右脸</span></span></p></td><td><p><span><span>12.2</span></span></p></td><td><p><span><span>12.3</span></span></p></td><td><p><span><span>36.5</span></span></p></td></tr></tbody></table><p>ASA-M3/R<strong>皮肤角质层含水量测试�?/strong>测量方法：双频和相位差振幅检测法</p><p>测量项目９�/p><p>角质层含水量W[��S]</p><p>屏障指数P（与TEWL相关）[%]</p><p>低频接纳率L[��S]</p><p>高频接纳率H[��S]</p><p>角质层厚度T[��m](根据计算标准)</p><p>测量范围９�/p><p>0.0�?99.9 ��S</p><p>0.0�?99.9 ��m</p><p>应用电压：X1、X2、X1/2、X1/2、X1/4、X1/8(自动切换)</p></div> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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