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Merck
CN

81108

Micro particles based on silicon dioxide

size: 2 μm

Synonym(s):

Silica dioxide microsphere (2 μm), Micro silicon (2 μm), Beads based on silicon dioxide, microsize, Silicon dioxide beads

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About This Item

NACRES:
NA.25
PubChem Substance ID:
UNSPSC Code:
12352119
MDL number:
Technical Service
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grade

analytical standard

Quality Level

form

aqueous suspension

concentration

5% (solids)

technique(s)

diffraction/scattering: suitable

particle size

2 μm std dev ≤0.2 μm

application(s)

cosmetics
environmental
food and beverages
pharmaceutical

format

neat

storage temp.

2-8°C

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

General description

Silicon dioxide based microparticles are suitable for profiling particle size distribution (PSD) of test samples.
The particle diameter of 2 μm is evaluated using Coulter Multisizer.

Application

Used to qualify and monitor the performance of particle size equipment.
Also used as a calibration standard to:
  • assess 3D particle tracking ability of optical diffraction tomography instrument for optically trapped silica beads
  • synthesize inverse patchy colloids (IPCs) for phase-behavior studies of heterogeneously charged particles

Features and Benefits

  • suitable for routine instrument calibration monitoring, testing and corrections
  • particle size traceable to Community Bureau of Reference (BCR) standards
  • available in 5 mL and 10 mL pack size as neat samples



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Storage Class

10 - Combustible liquids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves



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Simultaneous 3D visualization and position tracking of optically trapped particles using optical diffraction tomography
Kim K, et al.
Optica, 2(4), 343-346 (2015)
Simple method for the synthesis of inverse patchy colloids
van Oostrum PL, et al.
Journal of Physics. Condensed Matter : An Institute of Physics Journal, 27(23), 234105-234105 (2015)



Global Trade Item Number

SKUGTIN
G1796-25G04061833628409
81108-5ML-F04061837791291
81108-10ML-F04061837791284