核心参数
行业应用: 通用密度计
仪器种类: 真密度计
仪器类别: 实验室台式
检测类型: 固体密度计
产地类别: 进口
密度测量范围: >0
密度精度: 0.0001g/cm3
温度范围: 室温~45℃
最小取样量: 0.1cm³
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使用AutoSorb-6iSA测定氧化铝的比表面积
全新的Autosorb 6iSA全自动比表面积和孔径分布分析仪提供了六个端口,可进行1-6个样品的独立分析,能满足实验室快速准确的比表面积和孔径高通量分析需要。各分析站拥有独立的专用压力传感器、杜瓦瓶、冷却剂液位传感器和吸附饱和蒸汽压测量站,使各分析站能独立同时操作。基于Windows的操作软件,符合医药行业CFR-21 Part11标准,可提供执行大量数据分析的方法,包括单点和多点BET比表面积、朗缪尔比表面积,孔体积和孔径分布,微孔面积,总孔体积以及许多其他功能。现代数据通信提供了便捷的输入输出设置。
钢铁/金属
2020/03/25
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气体比重法分析3D打印部件及材料
气体比重法可用于评估固体材料(如3D打印部件及其相关原材料)的骨架密度。通过评估3D打印材料(如金属、陶瓷和聚合物)的骨架密度(对于形状规则的材料采用堆积密度)和开孔率,可以很容易的确定打印材料的差异。这些差异常常受到用户选择的打印参数的影响,并可能影响最终产品的性能及其预期应用的适用性。
1112KB
2020/06/15
Low Surface Area Analysis by Krypton Adsorption at 77 K
Measurement of very low surface area samples by manometric (volumetric) adsorption experiments using traditional nitrogen (77 K) or argon (87 K) is limited by the detection limits of even the best instrumentation. The recommended alternative is krypton adsorption at liquid nitrogen temperature (77 K), which improves the detection limit significantly and allows one to determine absolute surface areas down to 0.05 m2 or less.
997KB
2020/03/23
Practical Methods to Prevent Sample Elutriation
In vacuum outgassing and vacuum-volumetric gas sorption instruments, sample elutriation should be prevented to extend the life of instrument components and ensure measurement accuracy. Simple ways to prevent sample elutriation are discussed, including hardware for samples that are particularly problematic.
934KB
2020/03/23
Graphene Characterization
Graphene and graphene-related materials have revolutionized numerous areas of materials science and technology. Their massive technological success is related to their unique structural and chemical properties. Graphene structure and key fundamental properties such as surface area, pore size, and density are examined.
621KB
2020/03/23
Catalyst Characterization: From Fresh to Spent
Characterization of catalysts, both prior to reaction and in their spent form, can provide valuable information about the efficiency of the catalytic process and guide future design of new catalysts. Through determination of the pore size, pore volume, active surface area, particle size, surface acidity, fluidization behavior, cohesion strength and elutriation rate with Anton Paar instruments, insights can be derived that contribute to catalyst development and quality control.
1354KB
2020/03/23
Micropore Size Analysis of Porous Carbons Using CO2 Adsorption at 273.15 K (0 °C)
Activated carbons in the form of fibers, pellets, granules, and powders are used in air filters, water purification systems, for removing organic impurities from various solutions, as well as in a variety of medical, environmental, and agricultural applications. These highly microporous, high surface area materials are often characterized by their apparent BET surface area and their pore size distribution (PSD). Measuring the PSD of microporous samples using nitrogen or argon adsorption is a slow process, requiring very low vacuum levels that require an expensive turbomolecular pump. Alternatively the PSD can be determined quickly using carbon dioxide at 0°C, at higher pressures than using nitrogen or argon, thus increasing throughput and reducing the equipment cost.
937KB
2020/03/23
Krypton Gas Adsorption for Thin Film Pore Size Analysis
Pore size distributions on thin films can be obtained using Krypton adsorption at 87 K. The pore size distributions are calculated using a calibrated method that is traceable to NLDFT. Silica and titania thin film measurements and corresponding pore size distributions at 87 K using Kr are discussed.
320KB
2020/03/23
Pharma
Granulation and Drying: the Choice of Excipients Matters
1280KB
2020/03/23
安东帕康塔全自动真密度分析仪系列
气体膨胀法真密度分析仪 原理 气体膨胀法真密度分析仪是一句阿基米德流体置换原理和波义耳气体膨胀定律,测量形状规则和不规则的固体物质或液体真实体积和密度的仪器。世界第一台商用气体膨胀法全自动密度分析仪来自安东帕康塔。其基本测试原理符合ISO4590-2002所述的“体积膨胀法”,并依据ASTM D6226的规定方法而设计。 Autotop 和Dual Autotap振实密度分析仪 安东帕康塔开发了两种仪器用于振实密度(堆密度、堆积密度)的测量,它符合美国药典中的表观体积测定方法B527和ASTM中振实密度的测定方法D4164和D4781。其与众不同之处在于,样品在旋转平台上进行振动,保证了读数的精确性。
1845KB
2019/06/10
安东帕(上海)商贸有限公司
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