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Merck
CN

79807

Micro particles based on polystyrene

analytical standard, size: 25 μm

Synonym(s):

Polystyrene latex particles (25 μm), Polystyrene microbeads (25 μm), Polystyrene microspheres (25 μm), Polystyrene microparticles (25 μm), Latex beads from PS

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About This Item

UNSPSC Code:
41116107
NACRES:
NA.24
MDL number:
Technical Service
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grade

analytical standard

form

aqueous suspension, particles

crosslinking

2 % cross-linked

concentration

10% (solids)

Quality Level

technique(s)

diffraction/scattering: suitable

particle size

25 μm std dev <0.4 μm, coeff var <2%

density

1.05 g/cm3

application(s)

cosmetics
environmental
food and beverages
pharmaceutical

format

neat

storage temp.

2-8°C

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General description

Polystyrene based microparticles (size: 25 μm) are a particle size standard, ideal to characterize particle size distribution (PSD) of particle system.

Application

Used to calibrate, qualify and monitor the performance of particle size analyzers, surface scanning instruments and particle counters.

Features and Benefits

  • suitable for routine instrument calibration checks, testing and corrections
  • available in 5 mL pack size as a neat sample

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.

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves


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