Eiroshell™ Core Shell Silica

Glantreo synthesise silica. We identified a gap in the market, monodispersed silica without classification.

1. Highly monodispersed without the need to size classify leading to high chromatographic efficiency

2. Monodensity leading to higher packing stability as there are no macro pores within the particles.

3. ‘Hard Silica’ (produced with heat during manufacturing) leads to greater stability and longevity of material and columns.

The foundation of any good chromatography column is the stationary phase. We are experts in stationary phases.

Eiroshell™ is a patent protected product range of highly monodisperse, durable and reproducible porous core-shell silica particles manufactured by Glantreo. Our proprietary process is completely tuneable allowing control over physical properties of the particles including the core and shell dimensions. The technology uses a sol gel templating approach to grow a porous silica layer on the solid silica core.

Whilst the Eiroshell particles have a standard pore size of 100A, we have also augmented the Eiroshell process with our core enlargement technologies to produce a range of pore sizes from 100A to 1000A. These particles have been commercialised in our Eiroshell™ RP and Eiroshell™ Bio Columns.

If you have a custom particle requirement then ‘Ask and Expert’ and we can discuss in more detail.

Product Data and References

Typical Physical Properties

Purity0.9999
ChemistryC18, C8, C4
Hardware2.1 x 100, 2.1 x 150, 2.1 x 50, 3.0 x 100, 3.0 x 150 3.0 x 50
Parcticle Sizes1.7um, 2.6um
d90/d10<1.4
Pore Size100A, 300A
Pore Volume0.25cm3g-1 - 0.35cm3g-1
Surface Area100m2g-1 to 130m2g-1
Carbon CoverageC18 - 8%
C8 - 5%
C4 - 3%

Product Variations

Below you will find the different Product variations in our Eiroshell™ Core Shell Silica. In order to make them easy to find we have added a search function. To narrow down your selection you can search within a table. If you have any questions then please do not hesitate to ‘Ask and Expert’.

Product CodeParticle Size (µm)Pack Size (g)Chemistry
PSPP1.7100R-101.710Raw Silica
PSPP1.7100R-501.750Raw Silica
PSPP1.7100C18-101.710C18
PSPP1.7100C18-501.750C18
PSPP1.7100C4-101.710C4
PSPP1.7100C4-501.750C4
PSPP1.7100PH-101.710Phenyl-hexyl
PSPP1.7100PH-501.750Phenyl-hexyl
PSPP1.7100FPF-101.710PFP
PSPP1.7100FPF-501.750PFP
PSPP1.7100BP-101.710Bi-phenyl
PSPP1.7100BP-501.750Bi-phenyl
PSPP2.2100R-102.210Raw Silica
PSPP2.2100R-502.250Raw Silica
PSPP2.2100C18-102.210C18
PSPP2.2100C18-502.250C18
PSPP2.2100C4-102.210C4
PSPP2.2100C4-502.250C4
PSPP2.2100PH-102.210Phenyl-hexyl
PSPP2.2100PH-502.250Phenyl-hexyl
PSPP2.2100FPF-102.210PFP
PSPP2.2100FPF-502.250PFP
PSPP2.2100BP-102.210Bi-phenyl
PSPP2.2100BP-502.250Bi-phenyl
PSPP2.6100R-102.610Raw Silica
PSPP2.6100R-502.650Raw Silica
PSPP2.6100C18-102.610C18
PSPP2.6100C18-502.650C18
PSPP2.6100C4-102.610C4
PSPP2.6100C4-502.650C4
PSPP2.6100PH-102.610Phenyl-hexyl
PSPP2.6100PH-502.650Phenyl-hexyl
PSPP2.6100FPF-102.610PFP
PSPP2.6100FPF-502.650PFP
PSPP2.6100BP-102.610Bi-phenyl
PSPP2.6100BP-502.650Bi-phenyl

Citations using Glantreo’s materials

If you have published and cited Glantreo’s materials then click here to let us know.

Daniel A. Spudeita,b, Maressa D. Dolzana,b, Zachary S. Breitbacha, William E. Barberc, Gustavo A. Mickeb, Daniel W. Armstrong , Superficially porous particles vs. fully porous particles for bonded high performance liquid chromatographic chiral stationary phases: Isopropyl cyclofructan 6, Journal of Chromatography A, 1363 (2014) 89–95

Jesse O. Omamoghoa, John P. Hanrahanb, Joe Tobinb, Jeremy D. Glennon, Structural variation of solid core and thickness of porous shell of 1.7 m core–shell silica particles on chromatographic performance: Narrow bore columns, Journal of Chromatography A, 1218 (2011) 1942–1953

Lucie Nováková *, Lucie Havlíková, Hana Vlcˇková, Hydrophilic interaction chromatography of polar and ionizable compounds by UHPLC, Trends in Analytical Chemistry 63 (2014) 55–64

Victor K. Langsi, Benjamin A. Ashu-Arrah, Jeremy D. Glennon, Sub-2-m seeded growth mesoporous thin shell particles for high-performance liquid chromatography: Synthesis, functionalisation and characterisation, Journal of Chromatography A, 1402 (2015) 17–26

Víctor González-Ruiz, Ana I. Olives, M. Antonia Martín, Core-shell particles lead the way to renewing high-performance liquid chromatography, Trends in Analytical Chemistry (2014),

Szabolcs Feketea,∗, Erzsébet Oláhb, Jeno ̋Feketea, Fast liquid chromatography: The domination of core–shell and very fine particles, Journal of Chromatography A, 1228 (2012) 57–71 

Maressa D. Dolzana,b, Daniel A. Spudeita,b, Zachary S. Breitbacha, William E. Barberc, Gustavo A. Mickeb, Daniel W. Armstronga,d, Comparison of superficially porous and fully porous silica supports used for a cyclofructan 6 hydrophilic interaction liquid chromatographic stationary phase, Journal of Chromatography A, 1365 (2014) 124-30

Benjamin A. Ashu-Arraha, Jeremy D. Glennona,∗, Klaus Albertb, Synthesis and characterisation of bonded mercaptopropyl silica intermediate stationary phases prepared using multifunctional alkoxysilanes in supercritical carbon dioxide as a reaction solvent, Journal of Chromatography A, 1222 (2012) 38–45

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