This factsheets summarises the CRMs from JRC-IRMM concerning particle size measurementsJRC.D-Institute for Reference Materials and Measurements (Geel

LINSINGER Thomas

This factsheets summarises the CRMs from JRC-IRMM concerning particle size measurementsJRC.D - Institute for Reference Materials and Measurements (Geel

JRC Publications Repository

Joint Research CentreCertified reference materialsfor particle size measurements©iStockphoto.comConfidence in measurementsAll certificates and detailed production information can be found at https://crm.irmm.jrc.ec.europa.euReference materials for particle size or for particle sizedistributions are available which cover the size range from20 nm to 5 mm.Suspensions of latex spheres are available, the diameter ofwhich has been established in an absolute way bymicroscopy and is hence traceable to the InternationalSystem of Units.Method specific size values (Stokes’ diameter, equivalentvolume diameter) were assigned to a series of quartzpowder materials.Three certified reference materials for particle sizes in thenanoscale-range are available.Code Material Certified particle size distributionBCR-066 Quartz powder (10 g) Stokes' diameter ranging from 0.35 to 3.50 µmBCR-070 Quartz powder (10 g) Stokes' diameter ranging from 1.20 to 20 µmBCR-067 Quartz powder (10 g) Stokes' diameter ranging from 2.40 to 32 µmBCR-069 Quartz powder (10 g) Stokes' diameter ranging from 14 to 90 µmBCR-130 Quartz powder (50 g) Equivalent volume diameter ranging from 50 to 220 µmBCR-068 Quartz sand (100 g) Equivalent volume diameter ranging from 160 to 630 µmBCR-131 Quartz powder (200 g) Equivalent volume diameter ranging from 480 to 1800 µmBCR-132 Quartz Gravel (700 g) Equivalent volume diameter ranging from 1400 to 5000 µmQuartz materials certified for their particle size distribution (mm to mm range)https://ec.europa.eu/jrc/Legal Notice: Neither the European Commission nor any person acting on behalf of the Commission is responsible for the use which might be made of this information. JRC101504 © European Communities, 2009. All rights reserved.ERM-FD304 Equivalent spherical diameterScattering intensity-weighted harmonic mean diameter (DLS)Extinction intensity-based modal Stokes diameter (CLS)Number-based modal diameter (EM)42.1 ± 0.6 nm33.0 ± 3.0 nm(27.8 ± 1.5) nmERM-FD102 is a certified reference material consisting out of a mixture of two monomodal populations of silica nanoparticles suspended in aqueous solution.Suspensions of silica nanoparticlesERM-FD100 is a certified reference material consisting of colloidal silica nanoparticles suspended in a water-based solution.ERM-FD100 Equivalent spherical diameterIntensity-weighted harmonic mean diameter (DLS)Intensity-based modal Stokes diameter (CLS)Number-based modal diameter (EM)Intensitiy-weighted mean diameter (SAXS)Equivalent spherical diameter, volume-weighted mean (SAXS)zeta-Potential19.0 ±0.6 nm20.1 ±1.3 nm19.4 ± 1.3 nm21.8 ± 0.7 nm(20.4 ± 1.6) nm(-43 ± 22) mVCode Material Certified particle sizeBCR-165 Suspension of latex particles (2 mL; 0.2 g/L solids) (2.223 ± 0.013) µmBCR-166 Suspension of latex particles (2 mL; 2 g/L solids) (4.821 ± 0.019) µm BCR-167 Suspension of latex particles  (2 mL; 1.4 g/L solids) (9.475 ± 0.018) µmLatex materials certified for their particle size (low µm range)ERM-FD304 is a certified reference material consisting of colloidal silica nanoparticles suspended in a water-basedsolution. It is a little less monodisperse than ERM-FD100.Accredited CRM Producer: the JRC-IRMM is accredited to ISO Guide 34:2009  for the production of reference materials under the code BELAC 268-RM ERM-FD102 Equivalent diameterSize class A Size class BScattering intensity-weighted arithmetic mean hydromatic diameter (DLS) 17.8 ± 1.5 nm 88.5 ± 2.2 nmExtinction intensity-weighted modal Stokes'diameter (CLS) 23.9 ± 2.0 nm 88 ± 7 nmNumber-weighted modal area-equivalent diameter (TEM and SEM) 18.2 ± 1.6 nm 84.0 ± 2.1 nmNumber-weighted median area-equivalent diameter (TEM and SEM) 18.3 ± 1.7 nm 83.3 ± 2.3 nmNumber-weighted mean hydrodynamic diameter  (PTA) - (82 ± 4) nmNumber-weighted modal maximum particle height (ATM) (16.9 ±1.8) nm (80 ± 6) nm(Values in brackets are not certified.)How to order reference materials From JRC in GeelTel.: +32 14 571 705 • Fax: +32 14 590 406  • https://ec.europa.eu/jrc/en/reference-materials  •  E-mail: jrc-irmm-rm-distribution@ec.europa.euFrom authorised distributorsLGC Standards GmbH (DE)http://www.lgcstandards.com/E-mail: de@lgcstandards.comSigma-Aldrich Chemie GmbH (CH)http://www.sigmaaldrich.com/irmmE-mail: flukatec@sial.comSigma-Aldrich RTC Inc. (USA)http://www.RT-Corp.comE-mail: RTCSalesgroup@sial.comARMI (USA)http://www.armi.comE-mail: Info@ARMI.comIndustrial Analytical (RSA)http://www.industrialanalytical.co.zaE-mail: info@industrialanalytical.co.za 

Certified reference materials for particle size measurements

http://publications.jrc.ec.europa.eu/repository/bitstream/JRC101504/jrc101504%20rms_for_particle%20size_april_2016.pdf

Certified reference materials for particle size measurements

Abstract

Similar works

Full text

Available Versions

JRC Publications Repository