grade
analytical standard
form
particles, suspension
concentration
10% (solids)
Quality Level
technique(s)
diffraction/scattering: suitable
particle size
8 μm std dev <0.15 μm, coeff var <2%
application(s)
environmental
food and beverages
pharmaceutical
format
neat
storage temp.
2-8°C
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General description
Polymethacrylate-based microparticles are a particle size standard, ideal for characterizing particle size and count to present a particle size distribution (PSD) profile of a particle system.
Application
Applicable for calibrating and validating particle size analyzers.
Also used:
Also used:
- to identify the mechanical effects of PMMA microplastics on model cell membranes
- in optical detection techniques that monitor the presence of micron-sized particles in water
Features and Benefits
- suitable for routine instrument calibration checks, testing and corrections
- available in 5 mL and 10 mL pack sizes as neat samples
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
10 - Combustible liquids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves
Microplastics destabilize lipid membranes by mechanical stretching
Fleury JB and Baulin VA
Proceedings of the National Academy of Sciences, 118(31) (2021)
Enhanced real-time optical detection of micron-sized particles in water using standing ultrasonic wave fields
SPIE Proc., 5994, 59940Z-59940Z (2005)
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