The concentration is 1.8 x 10^11 particles per ml.
89904
Micro particles based on polystyrene
size: 1 μm
Synonyme(s) :
Latex beads from PS
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| À vous/Référence | Disponibilité | Prix |
|---|---|---|
5 mL | Vérifier la disponibilité des articles du panier | 314.00 CHF |
10 mL | Vérifier la disponibilité des articles du panier | 589.00 CHF |
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form
aqueous suspension
crosslinking
0 % cross-linked
composition
polystyrene
concentration
10% (solids)
particle size
1 μm std dev <0.1 μm, coeff var <5%
density
1.05 g/cm3
storage temp.
2-8°C
General description
Micro Particles or Latex Beads, commonly known as polystyrene microparticles, are negatively charged colloidal particles. The microparticles are produced through a polymerization reaction of styrene under controlled conditions. The conducive environment of the reaction induces spontaneous coalescent bead formation. Micro Particles or Latex beads are supplied in aqueous solutions composed of polymer particles with water. Polystyrene′s refractive index at 589 nm is 1.5905 and 1.602 at 486 nm.
Application
Micro Particles or Latex Beads is used for a wide variety of applications like:
- Electron Microscopy.
- Cell Counter Calibration.
- Immunodiagnostics, especially for latex agglutination tests, and
- Phagocytosis Research.
Analysis Note
For every lot exact values of particle size and standard deviation are determined with an accuracy of 0.01 μm using a Coulter Multisizer.
Other Notes
Template for preparing hollow spheres by self-organized deposition of nanoparticles. The PS core dissolves in THF[1]
1 of 1
Cet article | |||
|---|---|---|---|
| particle size 1 μm std dev <0.1 μm, coeff var <5% | particle size 100 nm std dev ≤0.01 μm | particle size 500 nm | particle size 10 μm std dev <0.2 μm, coeff var <2% |
| form aqueous suspension | form aqueous suspension | form aqueous suspension | form aqueous suspension |
| crosslinking 0 % cross-linked | crosslinking - | crosslinking - | crosslinking 2 % cross-linked |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| concentration 10% (solids) | concentration 10% (solids) | concentration 10% (solids) | concentration 10% (solids) |
| density 1.05 g/cm3 | density 1.05 g/cm3 | density 1.05 g/cm3 | density 1.05 g/cm3 |
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Classe de stockage
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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What is the concentration of microplastics in the suspension?
1 answer-
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Are the Microparticles based on polystyrene in a suspension sterile? Or is it possible to sterilize the microparticles?
1 answer-
The polystyrene microparticles offered for sale are not sterile.
Although autoclaving is a common method of sterilization, polystyrene microparticles are not autoclavable. Filter sterilization is also not a practical method. There are no protocols available for sterilizing polystyrene microparticles. From the remaining methods for sterilization, it should be possible to either sterilize in 70% ethanol for 30 minutes and then rinse away the ethanol with sterile water. For small batches, UV radiation would be another option.
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What is the composition of the "Aqueous Suspension." I want to use these in an exposure experiment, but must control for whatever the suspension is. Is it possible to get the exact details of its makup.
1 answer-
The composition is water and polystyrene.
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