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Merck
CN

84192

Micro particle size standard based on polystyrene monodisperse

analytical standard, size: 8.0 μm

Synonym(s):

Monodisperse polystyrene latex particles (8 μm), monodisperse polystyrene microbeads (8 μm), monodisperse polystyrene microspheres (8 μm), polystyrene monodisperse microparticles (8 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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grade

analytical standard

form

aqueous suspension, particles

crosslinking

20 % cross-linked

concentration

2% (solids)

Quality Level

100

technique(s)

diffraction/scattering: suitable

particle size

8.0 μm std dev <0.1 μm, coeff var <1.5%

application(s)

cosmetics
environmental
food and beverages
pharmaceutical

format

neat

storage temp.

2-8°C

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General description

Monodisperse polystyrene based micro particles (size: 8.0 μm) are a particle size standard, ideal to determine the particle size distribution (PSD) of test samples.

Application

Intended for use in validation and monitoring of the performance of particle sizing instruments.
It′s also used to:
  • standardize methods of size-dependent chromatographic separations.
  • characterize electrical impedance spectroscopy (EIS) performance of microfluidic device by size measurement.

Features and Benefits

  • suitable for routine instrument calibration checks 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 0.001 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.

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

410.0 °F

flash_point_c

210 °C

ppe

Eyeshields, Gloves

Regulatory Information

监管及禁止进口产品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCN8914
BCCN7361
BCCN1807
BCCM8580
BCCM7558

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Multiplexing microelectrodes for dielectrophoretic manipulation and electrical impedance measurement of single particles and cells in a microfluidic device
Geng Y, et al.
Electrophoresis, 40(10), 1436-1445 (2019)
Real-time monitoring of immobilized single yeast cells through multifrequency electrical impedance spectroscopy
Zhu Z, et al.
Analytical and Bioanalytical Chemistry, 406(27), 7015-7025 (2014)
Capillary hydrodynamic chromatography reveals temporal profiles of cell aggregates
Tang R-Y, et al.
Analytica Chimica Acta, 910, 75-83 (2016)

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