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等级
analytical standard
质量水平
形式
particles
suspension
浓度
10% (solids)
粒径
20 μm std dev <0.5 μm, coeff var <2%
格式
neat
储存温度
2-8°C
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一般描述
Polymethacrylate-based microparticles (size: 20 μm) are a size standard, ideal to determine particle size distribution (PSD) profile of a particle system.
应用
Applicable for calibrating and validating particle size analyzers.
It can be used to:
It can be used to:
- count and differentiate microscale particles using Coulter-type sensor
- detect and measure the micropolymethacrylate-laden analytes
特点和优势
- suitable for routine instrument calibration checks, testing and corrections
- available in 5 mL pack size as a neat sample
分析说明
The exact values for particle size and standard deviation are determined for each lot and may be found on the certificate of analysis. These values are determined with an accuracy of 0.01 μm (Coulter Multisizer). Polymethacrylate based particles have a narrow size distribution and spherical shape. They are stable at temperatures of up to 100 °C Density is 1.22 g/cm3. The surface is negatively charged. Good biocompatibility and reduced nonspecific protein binding are characteristic.
WGK
nwg
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves
Detection and counting of micro-scale particles and pollen using a multi-aperture Coulter counter
Jagtiani AV, et al.
Measurement Science and Technology, 17(7), 1706-1706 (2006)
A label-free high throughput resistive-pulse sensor for simultaneous differentiation and measurement of multiple particle-laden analytes
Jagtiani AV, et al.
Journal of Micromechanics and Microengineering, 16(8), 1530-1530 (2006)
Thiol functionalized polymethacrylic acid-based hydrogel microparticles for oral insulin delivery
Sajeesh.S, et al.
Acta Biomaterialia, 6, 3072-3080 (2010)
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