grade
analytical standard
form
particles, suspension
concentration
10% (solids)
Quality Level
technique(s)
diffraction/scattering: suitable
particle size
20 μm std dev <0.5 μm, coeff var <2%
application(s)
cosmetics
environmental
food and beverages
pharmaceutical
format
neat
storage temp.
2-8°C
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General description
Polymethacrylate-based microparticles (size: 20 μm) are a size standard, ideal to determine particle size distribution (PSD) profile of a particle system.
Application
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
Features and Benefits
- suitable for routine instrument calibration checks, testing and corrections
- available in 5 mL pack size as a neat sample
Analysis Note
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.
存储类别
12 - Non Combustible Liquids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves
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)
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)
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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