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Merck
CN

74964

Micro particles based on polystyrene

analytical standard, size: 15 μm

Synonym(s):

Polystyrene latex particles (15 μm), Polystyrene microbeads (15 μm), Polystyrene microspheres (15 μm), Polystyrene microparticles (15 μm), Latex beads from PS

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About This Item

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

Key Documents

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Technical Service
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Product Name

Micro particles based on polystyrene, analytical standard, size: 15 μm

grade

analytical standard

form

aqueous suspension
particles

crosslinking

2 % cross-linked

concentration

10% (solids)

technique(s)

gas chromatography (GC): suitable
diffraction/scattering: suitable

particle size

15 μm std dev <0.2 μm, coeff var <2%

density

1.05 g/cm3

format

neat

storage temp.

2-8°C

Quality Level

100

application(s)

cosmetics
environmental
food and beverages
pharmaceutical

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Analysis Note

For every lot exact values of particle size and standard deviation are determined with an accuracy of 0.01 μm using a Coulter Multisizer.

Application

Used to standardize and monitor particle size analyzers and surface scanning instruments.
Also used to:
  • standardize flow measurements of pumps used in lab-on-a-chip and point of care devices
  • characterize counting accuracy and sizing measurements of impedance microfluidic chip
  • optimize time-of-flight secondary ion mass spectrometry (ToF-SIMS) sample preparation based on size-dependent analysis


  • Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

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

This polystyrene-based microparticle (size: 15 μm) size standard is ideal for profiling particle size distribution (PSD) of test samples.

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
BCCP0587
BCCN7358
BCCN3206
BCCM8568
BCCM8567

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Jacob L Binsley et al.
Lab on a chip, 20(22), 4285-4295 (2020-10-24)
We show how an asymmetric elasto-magnetic system provides a novel integrated pumping solution for lab-on-a-chip and point of care devices. This monolithic pumping solution, inspired by Purcell's 3-link swimmer, is integrated within a simple microfluidic device, bypassing the requirement of
Microfluidic devices powered by integrated elasto-magnetic pumps
Binsley JL, et al.
Lab on a chip, 20(22), 4285-4295 (2020)
ToF-SIMS imaging of plasma membrane lipids with sub-micrometer resolution
Draude F, et al.
Surface and Interface Analysis : SIA, 46(S1), 127-130 (2014)
Toward microfluidic label-free isolation and enumeration of circulating tumor cells from blood samples
Raillon C, et al.
Cytometry. Part A : the Journal of the International Society For Analytical Cytology, 95(10), 1085-1095 (2019)
Enrica Bianchi et al.
Nature communications, 12(1), 1251-1251 (2021-02-25)
Dysfunction of embryo transport causes ectopic pregnancy which affects approximately 2% of conceptions in the US and Europe, and is the most common cause of pregnancy-related death in the first trimester. Embryo transit involves a valve-like tubal-locking phenomenon that temporarily

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