73371
Micro particles based on polymethacrylate
analytical standard, size: 4 μm
Synonym(s):
PMMA microbeads, PMMA microspheres, 2-Propenoic acid,2-methyl homopolymer, 2-methyl-2-propenoic acid homopolymer, Microparticles based on PMAA, Microparticles based on poly(methacrylic acid), Polymethacrylate
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About This Item
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grade
analytical standard
Quality Level
form
particles
suspension
concentration
10% (solids)
particle size
4 μm std dev <0.15 μm, coeff var <3%
format
neat
storage temp.
2-8°C
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General description
Polymethacrylate-based microparticles are a size standard, ideal to identify the particle size distribution (PSD) profile of test samples.
The particle size of 4 μm is measured using Coulter Multisizer.
The particle size of 4 μm is measured using Coulter Multisizer.
Application
Used to qualify and check particle size equipment.
Also used to:
Also used to:
- form self-assembled colloid structures for studying fluid dynamics of colloid mobility near a solid surface
- fabricate polyelectrolyte-modified beads as an alternate option for conventional pretreatment process of electroless plating
- validate microfluidic device for density- and size-based microparticle separation
Features and Benefits
- suitable for routine instrument calibration checks, testing and corrections
- traceable to Community Bureau of Reference (BCR) standards
- 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.
Storage Class Code
12 - Non Combustible Liquids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Induced charge electro-osmotic particle separation
Chen X, et al.
Nanoscale, 11(13), 6410-6421 (2019)
Microparticle separation using asymmetrical induced-charge electro-osmotic vortices on an arc-edge-based floating electrode
Chen X, et al.
Analyst, 144(17), 5150-5163 (2019)
Preparation of PMMA-Ni core-shell composite particles by electroless plating on polyelectrolyte-modified PMMA beads
Lin KJ, et al.
Applied Surface Science, 282, 741-745 (2013)
Cyclic force driven colloidal self-assembly near a solid surface
Rahman MM and Williams SJ
Journal of Colloid and Interface Science, 607, 1402-1410 (2022)
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