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Micro particle size standard based on polystyrene monodisperse

Name: Micro particle size standard based on polystyrene monodisperse
Brand: SIAL

analytical standard, size: 0.5 μm

Synonym(s):

Monodisperse polystyrene latex particles (0.5 μm), monodisperse polystyrene microbeads (0.5 μm), monodisperse polystyrene microspheres (0.5 μm), polystyrene monodisperse microparticles (0.5 μm), Size standards

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About This Item

MDL number:

MFCD00243243

UNSPSC Code:

41116107

NACRES:

NA.24

grade

analytical standard

Quality Level

100

form

aqueous suspension
particles

crosslinking

0 % cross-linked

concentration

2% (solids)

particle size

0.5 μm std dev <0.05 μm

application(s)

glass & ceramic
industrial qc
pharmaceutical

format

neat

storage temp.

2-8°C

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Physical & Chemical Property Standards

General description

Monodisperse polystyrene based micro particles (size: 0.5 μm) are a particle size standard, designed to profile the particle size distribution (PSD) of test samples.

Application

Used to calibrate, qualify and monitor the performance of particle size analyzers, surface scanning instruments and particle counters.
Monodisperse polystyrene latex particles are also used to find the PSD of colloidal dispersions.

Features and Benefits

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

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.

Legal Information

Coulter is a trademark of Beckman Coulter, Inc.

WGK

WGK 3

Flash Point(F)

410.0 °F

Flash Point(C)

210 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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In vitro digestion of emulsions: diffusion and particle size distribution using diffusing wave spectroscopy and diffusion using nuclear magnetic resonance

Marze S, et al.

Soft Matter, 8(42) (2012)

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