美国WESCOR Vapro 5520露点渗透压�?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><span>露点渗透压仪不需要改变溶液的物象形态，可以在室温于样品自然压力平衡下准确测量体积摩尔浓度。它可以测量冰点渗透压仪所不能处理或误差较大的样品，如高粘度溶液、悬浮颗粒较多的溶液<span>＋�/span><span>特别是在非脊椎动物生物学研究中，露点渗透压仪更是广大科学工作者的**。它的问世和非侵入性特点使对植物以及动物组织切片的渗透压测量成为可能。它只需微量的样品（低至</span><span>2</span><span>微升）即可允许您轻松准确的分析出结果，当样品不易获得或者较为昂贵时，它对样品的微小需求会节省您的开销或节约获取样品的时间、�/span></p><p><span>Vapor5520</span><span>露点渗透压仪的特点９�/span><span>精确</span><span>Vapor<span>渗透压仪误差率</span><span><1%</span><span>、�/span><span>100+2mmol/kg</span><span>＋�/span><span>290+ 3mmol/kg</span><span>＋�/span><span>1000+5mmol/kg</span><span>。经过长辽�/span><span>30</span><span>年的临床试验证明９�/span><span>Vapor</span><span>渗透压仪优越于其它同类测量器材、�/span><span>快捷</span><span>只需两步操作＋�span>75</span><span>秒即可测得准确的读数、�/span><span>易操佛�/span><span>��<span>内设自动较准功能：�/span><span>��<span>自动提示操作流程：�/span><span>��<span>操作错误报警</span><span>��<span>无需特殊维护保养、�/span><span>试验者再也不用经过复杂培训才能得到准</span><span>确无误的结果、�/span><span>经济</span><span>操作成本低，只需一奖�span>Vapor��</span><span>渗透压仪，不必再购买任何配件或试剂即可完成测量，经久耐用。后续耗材无需依赖厂家或者经销商、�/span><span>自检</span><span>内置自检功能可提醒使用者操作错误或步骤错误、�/span><span>统计与计算功胼�/span><span>可显示多个样品的平均值和标准偏差、�/span><span>应用广泛</span><span>可以处理冰点法无法处理的多用于临床和工业化学实验室的半固态样品。对于样品中含有悬浮颗粒或粘稠度较大的样品，可以轻松得出准确的结果。还可以直接测量植物以及动物组织切片的渗透压。如植物的叶片，动物的脑或者肾脏切片、�/span><span>��<span>两种单位可逈�/span><span>SI<span>规定的标准渗透压单位</span><span>mmol/kg</span><span>咋�/span><span>kPa</span><span>可选、�/span><span>��<span>样品量灵洺�/span><span>样品量可以灵活控制，标配皃�span>5520</span><span>，样品量丹�/span><span>10uL</span><span>。但是选配不同皃�/span><span>sample holder(</span><span>样品江�/span><span>)</span><span>，就可以测量低至</span><span>2uL</span><span>或者高亍�/span><span>10uL</span><span>的样品、�/span><span>可逈�span>sample holder</span><span>９�/span><span>AC-062: <span>包含在标配中，适用亍�/span><span>10uL</span><span>样品＋�/span><span>7mm dia. X1.25mm deep</span><span>AC-063: <span>适用亍�/span><span>2uL</span><span>样品＋�/span><span>4.25mm dia. X1.12mm deep</span><span>AC-064: <span>适用于高亍�/span><span>10uL</span><span>的样品，</span><span>7mm dia. X2.5mm deep</span><span>AC-065: <span>适用于高亍�/span><span>10uL</span><span>的样品，</span><span>9.5mm dia. X4.5mm deep</span><span>应用领域９�/span><span>医疗：渗透压仪是一种决定在血，尿，或者其他的液体中粒子数目多少的高效工具。有三种类型的渗透压<span>:</span><span>尿液，血浆和大便。尿液渗透压是检测肾功能，血液渗透压是血液病的征召的标记；大便检测是否为腹泻病原因。尤其露点渗透压可以直接测量全血的渗透压，使得测量更加方便，快捷、�/span><span>细胞培养：经验表明有意识测量培养基的渗透压可以有效提高细胞产量。因为每次购买的培养基成份变化很大，因此都必须在使用前进行检测。测量培养基的渗透压可以显著提高组织培养。而且维持正常的渗透压可以保持酶的活性和阻止膜的扭曲、�/span><span>眼药产品：通过维持关键的渗透压参数，可以预防玻璃体和渗透到眼睛溶液的形态变化、�/span><span>质量控制<span>:</span><span>制药，医院和营养学家可以用渗透压仪检测治疗的一致性，*小化外伤、�/span><span>电压钳研穵�span>(</span><span>包括膜片钳，卵母细胞电压钳和脑片电压钲�/span><span>) </span><span>在正常生理状态时，细胞所处的细胞外液环境与细胞内液的渗透压非常相近</span><span>(</span><span>�?/span><span>300 mOsm)</span><span>。电压钳研究需要将组织细胞分离成单个细胝�/span><span>(</span><span>如单个心肌细胞，单个神经元，以及平滑肌细胞等</span><span>) </span><span>。在细胞分离过程中，所用溶液的渗透压对分离出的单个细胞的质量有很大的影响。而在电压钳实验时人工配制的细胞外液和电极内液</span><span>(</span><span>与细胞内相這�/span><span>)</span><span>的渗透压要非常接运�/span><span>(</span><span>两者差异应小于</span><span>5mOsm)</span><span>则将引起细胞的形态改</span><span>(</span><span>� 缩或肿胀</span><span>)</span><span>，这对高阻抗的封接的形成和封接后的稳定性会产生很大的影响。因此，正确的细胞内外液的渗透压是实验成功的关键因素。所以渗透压计是电生理实验室的必备仪器之一、�/span><span>Vapro<span>露点渗透压仪的独特特点使得测量各种溶液，植物和动物组织切片的渗透压的方法更为灵活。它拥有水势仪的部分功能，可以测量离体叶片的水势和渗透势，也可以测量土壤的渗透压、�/span><span>Tornheim1(</span><span>脑组细�/span><span>)</span><span>咋�/span><span>Knepper2</span><span>（肾组织）早在上个世�?/span><span>80</span><span>年代就使用这种方法研究动物组织。含有多种溶剂的溶液通常比含有单种溶剂的溶液有更复杂的物理特性，露点渗透压仪对这样的研究领域有特殊价值、�/span><span>VAPRO<span>渗透压� </span><span>Model 5520 </span><span>技术参数：</span><span>样品� <span>10 </span><span>微升（使用特殊步骤可测量大样品量戕�/span><span>2uL</span><span>的样品） </span><span>测量范围 室温� 一般为 <span>0~3200 mmol/kg </span><span>测量时间 　　　<span>75 </span><span>科�/span><span>分辨� <span>1 mmol/kg</span><span>重复� 标准偏差 <span>= 2 mmol/kg</span><span>线� � <span>100~2000 mmol/kg</span><span>范围冄�/span><span>� </span><span>读数值的</span><span>2%</span><span>读数 <span>10 X 6.8 cm LCD</span><span>操作温度 环境温度丹�span>15 ~ 37 </span><span>� </span><span>(</span><span>注意</span><span>:</span><span>仪器应在温度相对恒定的环境中校准</span><span>)</span><span>校准 每次开机时应使�?span>WESCOR</span><span>提供皃�/span><span>Opti-mole?</span><span>标准液进行校� </span><span>数据输出 <span>RS-232(ASC</span><span>Ⅰ�/span><span> 格式<span>)</span><span>功率 <span>� 5 watts</span><span>体积<span>(</span><span>髗�/span><span>x</span><span>宼�/span><span>x </span><span>镾�/span><span>) 425px x 725px x 34 cm</span><span>重量 <span>3.6kg(8 lbs)</span></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="307409" /> <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）">