全自动真空冷凝抽提系统

不同水体的氢氧稳定同位素可用于植物水分利用来源、水汽输送、土壤水运移和补给机制、补给源和地下水机制、水体蒸发、植物蒸腾和土壤蒸发的区分、径流的形成和汇合、重建古气候等方面的研究。因而引起了水文学家，生态学家以及气候学家等的广泛关注。但问题是：在进行水稳定同位素测试之前如何将植物木质部和土壤中的水分无分馏的提取出来？LI-2100是LICA自主研发的一款全自动真空冷凝抽提系统，且已通过CE认证。从根本上解决了植物和土壤水分提取的难题，克服了传统液氮冷却的繁琐，不仅可以防止同位素分馏，而且安全高效，不会对植物和土壤造成破坏。可与LGR水同位素分析仪和质谱仪配套使用。许多科学家已经结合LI-2100和LGR的水同位素分析仪进行了诸多研究。从研发生产至今，LI-2100在国内已经销售了近百台，国内的科研工作者利用这台仪器发表了诸多文献，得到了用户的众多好评。随着LI-2100在国内的广泛应用及众多文献的发表，国外的一些科学家也开始关注理加公司研发生产的LI-2100，理加公司也积极在海外推广该产品，由此拉开了LI-2100走出国门、走向海外的序幕。LI-2100在海外的安装案例1. 巴西国家空间研究所（INPE）应用：利用LI-2100抽提土壤、植物中的水，进行同位素相关研究。科学家简介：Laura De Simone Borma (劳拉德西蒙娜博尔玛)1988 年毕业于欧鲁普雷图联邦大学土木工程专业，1991 年获得里约热内卢联邦大学土木工程硕士学位，以及里约热内卢联邦大学土木工程-环境岩土工程博士学位（1998）。自 2009 年起在 INPE（国家空间研究所）担任研究员，从事生态水文学和土壤物理学领域的工作，重点是实地观察陆地和极端天气事件对土壤-植物-大气相互作用以及气候变化、土地利用和覆盖变化的影响。她目前是 INPE 的 PGCST（地球系统科学研究生）和 PGSER（遥感研究生）的教授。协调 CCST/INPE 的生态水文学 (LabEcoh) 和生物地球化学 (LapBio) 实验室。她是 ISMC（国际土壤建模联盟）的成员。她对巴西不同生物群落中土壤-植物-大气相互作用、生态水文学以及水和气候调节的生态系统服务领域的研究感兴趣。LI-2100在海外的安装案例2. 澳大利亚Flinders大学 College of Science and Engineering应用：利用LI-2100抽提土壤、植物中的水，进行同位素相关研究。 LI-2100在国内的部分安装案例1、沈阳气象局2、中国林业科学研究院亚热带林业研究所3、广西植物园4、中国科学院西双版纳热带植物园...发表文献1. 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全自动真空赶酸仪AE100——针对赶酸实验的微量液位传感器，可在高温浓酸条件下，精确测量微小体积， 特别是赶酸接近终点时的极低液位。利用该传感器，AE100 实现了终点体积自动识别，并自动停止加热、 启动强制冷却，实验员们再也不用频繁奔走、逐个检查液位了！普通赶酸器：效果最差，其劣势表现在加热不均匀，产生大量的酸气，污染实验室环境；需要人工频繁逐个检查液位；降温缓慢，等待时间长真空赶酸仪：仍需要人工频繁检查液位；酸气冷凝中和，减少排放；长方形加热器加热不均匀；人工一个个拧盖，装样和取样都非常繁琐；降温缓慢，等待时间长。全自动真空赶酸仪AE100：真正全自动自动终点识别，自动停止加热，自动升降臂将消解管全部升起，脱离加热器，并启动冷却风扇强制降温，无需过多等待；环形石墨加热器，均匀性好；酸气冷凝、收集，可重复使用，尾气被中和，在线pH监控。1、AE100 采用真空（负压）方式蒸发酸液，效率高，可在 40 分钟之内将 10mL 酸蒸发至 1.5mL。此外，预热和降温都非常迅速。1 小时左右即可处理 20 个样品！2、对加热和气体分配均做了优设计，样品之间的差异性被最小化，以确保一致的赶酸速率。3、在确保效率和均匀性的同时，AE100 保证了优异的回收率。 即使是最易挥发的汞元素，AE100 依然得心应手。以柑橘叶成分分析标准物质为例，AE100 的赶酸回收率 相当出色！4、凭借优异的回收率，AE100 蒸发出来的酸气是非常洁净的，而赶酸产生的大量酸气，如果直接排入通风柜，是非常可惜的，而且会对整个实验室的通风系统造成巨大污染，甚至会倒灌进其他实验室。针对该问题，AE100 配置了Amerlab 专有的酸气吸收装置，废气被冷凝、收集、酸液中和、在线 pH 检测、固体中和，最后才会排出。利用该装置，AE100 无需占用通风柜。5、不同于常规真空赶酸器需要人工逐个拧盖子，装样和取样都非常繁琐，AE100 采用独有的顶盖集成式密封模块，一步操作，即可完成所有消解管的密封。AE100操作软件采用引导式设计，只需按照提示一步步执行，即可完成整个测试，即使毫无化学背景的门外汉，也可轻松搞定！

近日，经过SGS的各项严格测试和专业评估，莱伯泰科MVP系列全自动真空平行浓缩仪成功获得了欧盟CE认证。这一认证的取得不仅充分证明了MVP系列产品符合欧洲市场的法规标准，更向用户展示了其卓越的品质和安全性，必将为实验室工作提供更加可靠的支持。在实验室中，浓缩作为样品前处理的重要步骤，在食品安全、环境检测、药物分析、生命科学等多个领域扮演着关键角色。莱伯泰科凭借其丰富的样品前处理研发经验和专业知识，推出了多种浓缩产品，包括氮吹浓缩、真空浓缩和旋转蒸发，形成了一个庞大的浓缩产品家族。MVP系列属于真空浓缩产品，采用先进的加热、减压、涡旋振荡技术，能够在短时间内将多个样品快速蒸干或浓缩至所需体积。其整体以及独立密封的二合一设计，使得整个浓缩过程更为灵活和高效。用户可以选择整体密封或独立密封的方式，轻松添加或取出浓缩瓶，无需整体泄压，大大简化了繁琐的浓缩操作。我们期待MVP系列全自动真空平行浓缩仪为更多科研人员带来便利和效率，助力客户取得更加卓越的成就。MVP 12 全自动真空平行浓缩仪大体积高通量：900ml，12 通道同时浓缩高效浓缩：浓缩杯全包围式水浴加热，浓缩效率更高高效溶剂回收：500ml 石油醚溶剂回收率可达85% 以上便捷操作：采用安全锁设计，可实现快速开关盖，开盖更省力，关盖更安全避免交叉污染：独立管路设计，避免样品爆沸引起的串液问题，防交叉污染Flex-MVP 全自动真空平行浓缩仪批处理能力：16 位，可兼容200ml、50ml、40ml 等多种规格样品瓶灵活取放：整体、独立密封二合一设计，无需暂停仪器或全部泄压，可单独添加和取出某个样品，不影响其他样品的浓缩独立管路：每个浓缩杯通过各自管路独立密封，独立排出，避免样品爆沸引起的串液问题，防交叉污染、防回流设计方便观察：浓缩腔体为全透明设计，浓缩杯悬空设计，运行时 LED 灯可对样品底部的浓缩状态进行观察溶剂和尾气双重回收：冷凝回收模块为双冷凝塔设计，可以实现溶剂蒸汽和尾气双重回收，全面确保绿色环保触屏控制：采用 10 寸触控终端电脑控制系统友好操作：软件可实时改变温度、真空度、振荡频率，可定时操作，图形显示梯度曲线，实时展示各参数动态变化MVP 全自动真空平行浓缩仪批处理能力：支持12位、16位、48位多位可选，兼容50ml~1000ml 等多种规格样品瓶独立管路：每个浓缩杯通过各自管路独立密封，独立排出，避免样品爆沸引起的串液问题，防交叉污染、防回流设计方便观察：浓缩腔体为全透明设计，浓缩杯悬空设计，运行时 LED 灯可对样品底部的浓缩状态进行观察溶剂和尾气双重回收：冷凝回收模块为双冷凝塔设计，可以实现溶剂蒸汽和尾气双重回收，全面确保绿色环保触屏控制：采用 10 寸触控终端电脑控制系统友好操作：软件可实时改变温度、真空度、振荡频率，可定时操作，图形显示梯度曲线，实时展示各参数动态变化