在Pittcon上启动加速表面积和孔隙仪系统的微密度学

Pittcon, a premier annual conference devoted to laboratory science and instrumentation, takes place from March 13 through March 18, 2011, at the Georgia World Congress Center in Atlanta, GA.微神经学, located in Booth 2553, will not only display a variety of its own products, but also material characterization instrumentation represented by its Particulate Systems brand. With the addition of this brand, Micromeritics currently offers one of broadest ranges of particle characterization instruments and services on the market.

表面积和孔隙率是影响许多材料和产品的质量和实用性的重要物理特性。欧洲杯足球竞彩微密度气体吸附仪器非常适合在包括高科技陶瓷,催化剂,燃料电池,碳,药品,化妆品,油漆和涂料,超级能力组件,推进剂,地质材料,航空航天材料,航空航天材料,航空航天材料,航空航天材料,地质材料,地质材料,高科技欧洲杯足球竞彩陶瓷,燃料电池,药品,油漆和涂料中测量这些特性的理想选择, 以及更多。从提高常规质量控制分析的速度和效率到为严格的研究要求提供准确性,分辨率和数据降低,MicroMeritics提供了适合应用程序的工具。

MicroMeritics介绍了新的ASAP®2020HD加速表面积和孔隙仪系统,其中包含许多功能,可改善等温线分辨率和准确性。该仪器旨在为材料分析实验室提供不断扩展的需求的材料分析实验室。欧洲杯足球竞彩允许使用多种吸附剂进行吸附和解吸分析。ASAP 2020 HD也可用于确定微孔度并评估材料的氢,甲烷或CO2储存能力。欧洲杯足球竞彩可以在MOF,沸石,活化的碳和各种纳米材料上轻松获得微孔的大小和体积。欧洲杯足球竞彩ASAP 2020 HD还可以进行可选的升级,以允许使用烃或水蒸气进行吸附研究。

Tristar®II3020表面积和孔隙率系统是一种完全自动化的三站仪器,能够以准确性,分辨率和数据降低来提高质量控制分析的速度和效率,以满足大多数研究要求。该仪器包括一个专用的饱和压力端口和三个分析端口,它们彼此同时独立地运行。K k允许在非常低的表面积范围内进行测量。

微生物和颗粒系统提供了六种仪器,每种仪器都利用了不同方法来确定粉末状材料的粒度分布,包括一种用于表征颗粒形状的材料。方法包括X射线监测的重力沉积,静态激光散射,动态激光散射,电气传感区,空气渗透性和动态图像分析。

Particle size instruments displayed at Pittcon 2011 include five of the company’s six models. Utilizing a state-of-the-art CCD detector containing over three million detector elements, Mie theory, and unique design and data reduction features, the Saturn DigiSizer® II High-Definition Digital Particle Size Analyzer measures particle size in a range of 40 nanometers to 2.5 millimeters. It provides an extremely high level of resolution and sensitivity not available in other laser particle sizing systems. The Elzone® II 5390 Particle Size Analyzer determines the size, number, concentration, and mass of a wide variety of organic and inorganic materials. Unlike other measurement techniques, the electrical sensing zone method (Coulter Principle) is capable of accurately sizing samples of varying optical properties, densities, colors, and shapes. The Elzone determines particle size in a range suitable for a wide variety of industrial, biological, and geological specimens down to 0.4 micrometer. The SediGraph® III 5120 Particle Size Analyzer measures mass by X-ray absorption and particle size by sedimentation in the range of 300 micrometers to 0.1 micrometer.

颗粒系统颗粒粒子洞察动力学图像分析仪非常适合将原材料的形状(不仅是直径)形状(对于最终产品的性能至关重要)的应用。欧洲杯足球竞彩粒子洞察力提供多达28种不同的形状参数,以在水性或有机溶剂悬浮液中实时分析。该系统的标准配置中的粒子在3 µm至300欧洲杯猜球平台 µm的范围内测量。Cordouan Vasco DLS粒度分析仪具有其温度稳定功能,是独特的动态光散射(DLS)纳米化仪器,能够测量从6微米到1纳米的范围内的粒径。它的光学配置设计为不透明样品提供了出色的检测效率,降低了对“多个散射伪像”的仪器敏感性,并强烈降低激光热效应,即使在浓缩和黑暗分散体中,也可以非常准确地测量。

Dynamic vapor sorption, commonly known as DVS, is based on the gravimetric determination of the quantity of vapor adsorbed or desorbed from the sample material. By varying the vapor concentration surrounding a sample and measuring the change in mass it produces, the rate and quantity of solvent adsorbed by a sample can be measured. Surface Measurement Systems, represented by Particulate Systems, offers a wide range of Dynamic Vapor Sorption instruments that utilize dynamic gas flow and the gravimetric technique to produce high-resolution adsorption and desorption isotherms of water and organic vapors on solid materials.

湿度可能会对一系列材料产生不利影响,包括食物,药品,燃料电池,包装,高能材料,聚合欧洲杯足球竞彩物,建筑材料,过滤材料和个人护理产品。知道水蒸气如何与这些材料相互作用可以产生重要的信息,以适当制定,加工和存储这些材料。欧洲杯足球竞彩DVS Intrinsic是入门级,仅是水蒸气的仪器。它的占地面积小,在20至40°C的温度范围内运行。

Gas pycnometry is a common analytical technique that uses a gas displacement method to measure volume accurately. These volume measurements can be used to calculate absolute density which is an important physical characteristic to many applications such as pharmaceuticals, coatings, crystal structures of carbons and ceramics, powdered metals, rigid plastic foam, plastic film, organic chemicals and polymers, slurries, material blends, and much more. Micromertics AccuPyc® II 1340 Gas Displacement Pycnometry System is a fast, fully automatic analysis system that provides high-speed, high-precision volume measurements and density calculations. The AccuPyc determines absolute density of powders, solids, and slurries having volumes from 0.01 to 350 cm3 with superior accuracy. For those who require high throughput, an integrated control and analysis module can run up to five additional external analysis modules. Each module can have a different size sample chamber (1 cm3, 10 cm3, 100 cm3, 350 cm3) providing even more versatility. In addition, obtaining skeletal volume measurements using the AccuPyc combined with envelope volume from Micromeritics’ GeoPyc® 1360 allows the user an alternative low-cost method to quickly determine total pore volume and percent porosity in a dry environment.

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