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Colloidal silica in water - Particle size

Item no.

ERM-FD100

Unit

ampoule

Shipment details

No Dangerous Good /not restricted

Price on request

Description

ERM-FD100 is a certified reference material and consists of collodial silica nanoparticles suspended in a water-based solution. It is available in 10 ml pre-scored amber glass ampoules containing approx. 9ml of suspension. The intended use is to check the performance of instruments and/or methods that characterise the particle size distribution of nanoparticles (particle size ranging from approx. 1 nm to approx. 100nm) suspension in a liquid medium.

Analyte	Concentration	Unit	Additional information	Method
Intensity-weighted harmonic mean diameter	19,0 ± 0,6	nm	Equivalent Spherical Diameter	Dynamic light scattering according to ISO 22412:2008 (cumulants method)
Intensity- based modal Stokes diameter	20,1 ± 1,3	nm	Equivalent Spherical Diameter	Centrifuge liquid sedmentation according to ISO 13318-1:2001
Number-based modal diameter	19,4 ± 1,3	nm	Equivalent Spherical Diameter	Electron microscopy (transmission electron microscopy/scanning electron microscopy)
Intensity-weighted mean diameter	21,8 ± 0,7	nm	Equivalent Spherical Diameter	Small angle X-ray scattering

Miscellaneous

Certificate of Analysis (specimen)

Reference Material CoA specimen: for the current lot, please contact your customer service representative at info@labmix24.com

Product data sheet

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Description

Contents

Miscellaneous

Certificate of Analysis (specimen)

Product data sheet