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Merck
CN

72938

Micro particle size standard based on polystyrene monodisperse

analytical standard, size: 1.0 μm

Synonym(s):

Monodisperse polystyrene latex particles (1 μm), monodisperse polystyrene microbeads (1 μm), monodisperse polystyrene microspheres (1 μm), polystyrene monodisperse microparticles (1 μm), Size standards

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About This Item

UNSPSC Code:
41116107
NACRES:
NA.24
MDL number:
MFCD00243243

Key Documents

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Product Name

Micro particle size standard based on polystyrene monodisperse, analytical standard, size: 1.0 μm

grade

analytical standard

form

aqueous suspension
particles

crosslinking

0 % cross-linked

concentration

2% (solids)

Quality Level

100

technique(s)

diffraction/scattering: suitable

particle size

1.0 μm std dev <0.05 μm

application(s)

cosmetics
environmental
food and beverages
pharmaceutical

format

neat

storage temp.

2-8°C

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Analysis Note

For every lot exact values of particle size and standard deviation are determined with an accuracy of 0.001 μm. The size determination of these particles follows procedures described by National Institute of Standards and Technology (NIST, USA) respectively by the Community Bureau of Reference (BCR), esp.:
  • Transmission electron microscopy (TEM)
  • Scanning electron microscope
  • Light microscopy
  • Coulter™ counter with MDF-system
Calibration of equipment is carried out with NIST-respectively BCR-particle size standards.

Application

Used to test the performance of particle sizers and particle counters.
Monodisperse polystyrene latex particles are also used to calibrate:
  • Airy Disc First Fringe (ADFF) analysis method based on size measurements
  • Aerosol instruments

Features and Benefits

  • suitable for routine instrument calibration checks, testing and corrections
  • available in 5 mL and 10 mL pack sizes as neat samples

General description

Monodisperse polystyrene based micro particles (size: 1 μm) are a particle size standard, ideal for characterizing particle size distribution (PSD) of test samples.

Legal Information

Coulter is a trademark of Beckman Coulter, Inc.

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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Certificates of Analysis (COA)

Lot/Batch Number
BCCP0583
BCCN4284
BCCN4285
BCCN1796
BCCM7570

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Extending the Faraday cup aerosol electrometer based calibration method up to 5 ?m
Jarvinen A, et al.
Aerosol Science and Technology, 52(8) (2018)

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