2020/09/01 14:20
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差示扫描量热仪 DSC 3500 Sirius
型号: DSC 3500 Sirius
产地: 德国
品牌: 耐驰
¥10万 - 20万
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高温型差示扫描量热仪 DSC 404 F1 Pegasus®
型号: DSC 404 F1 Pegasus®
产地: 德国
品牌: 耐驰
¥50万 - 100万
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高压型差示扫描量热仪
型号: DSC 204 HP
产地: 德国
品牌: 耐驰
¥50万 - 100万
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方案详情:
高密度聚乙烯的熔融测量 高星,曾智强 聚乙烯是一种日常生活中常用的热塑性材料(全球年产量超过6千万吨)。高密度聚乙烯(HDPE)是指密度大于等于0.941g/cm3的聚乙烯材料,HDPE具有较少的支链,具有更好的分子间作用力和拉伸强度。HDPE可以通过铬/硅石催化剂、Ziegler-Natta催化剂或金属茂合物催化剂制得,通过选择合适的催化剂和反应条件可以减少支链,进而增大密度。 测试条件: 温度范围:25°C…180°C…-150°C…180°C 样品重量:10.36mg 升温速率:20K/min 坩埚类型:Al,加盖扎孔 测试气氛:N2,20ml/min 测试结论: 图中可以看出,样品在两次升温过程中,在137°C至138.6°C处发生熔融,在降温过程中,样品的结晶温度为108.2°C,在二次升温时,样品在-123.9°C(中点)处发生玻璃化转变,转变过程的比热变化为0.05J/g·K。
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台阶仪在三维形貌表征领域的应用
Stylus-based surface profiling is a standard technique for accurate, repeatable surface shape, topography and step height measurement in applications ranging from semiconductor R&D to solar cell QC.
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NanoBrook产品应用-12-ZetaPALS
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使用Millipak® Final Fill过滤器及吹扫步骤达到最大化产品收率
Millipak® Final Fill过滤器的特殊层叠式设计可最大程度地减少残留体积,从而增加产品回收。过滤器吹扫亦可有效降低折叠膜和层叠式过滤器使用后的残留量。
生物产业
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4D-脂质组学高通量工作流程
Lipid profiling from complex lipid extracts can be a challenging and time consuming task. The high complexity of samples and co-elution of isobaric or isomeric compounds complicate the confident annotation of lipids. The presented 4D-Lipidomics workflow simplifies and streamlines the annotation and validation process using mobility-enhanced MS data.
医疗/卫生
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