80177
Micro particle size standard based on polystyrene monodisperse
analytical standard, size: 2.0 μm
Synonym(s):
Monodisperse polystyrene latex particles (2 μm), Size standards
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About This Item
grade
analytical standard
Quality Level
form
aqueous suspension
particles
crosslinking
0 % cross-linked
concentration
2% (solids)
particle size
2.0 μm std dev <0.05 μm, coeff var <3%
application(s)
glass & ceramic
industrial qc
pharmaceutical
format
neat
storage temp.
2-8°C
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General description
Polystyrene-based monodisperse microparticles (size: 2 μm) are a particle size reference standard, ideal for determining the particle size distribution (PSD) profile of test samples.
Application
Used to calibrate, validate and monitor the performance of particle sizers, surface scanning equipment and particle counters.
Monodisperse polystyrene latex particles are also used to investigate their effect on laser-induced breakdown spectroscopy (LIBS) emissions.
Monodisperse polystyrene latex particles are also used to investigate their effect on laser-induced breakdown spectroscopy (LIBS) emissions.
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
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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High ErbB3 activating activity in human blood is not due to circulating neuregulin-1 beta
Boateng E, et al.
Life Sciences (2020)
Emmanuel Boateng et al.
Life sciences, 251, 117634-117634 (2020-04-07)
Neuregulin-1β (NRG-1) is a membrane-bound or secreted growth and differentiation factor that mediates its action by binding to ErbB receptors. Circulating levels of NRG-1 are characterized by large inter-individual variability with the range of absolute values covering two orders of
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