Merck
CN
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73371

Supelco

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
MDL number:
NACRES:
NA.24

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.

Application

Used to qualify and check particle size equipment.
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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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