{"id":5144,"date":"2022-03-21T10:22:47","date_gmt":"2022-03-21T10:22:47","guid":{"rendered":"https:\/\/www.solids-solutions.com\/?page_id=5144"},"modified":"2024-04-19T09:16:38","modified_gmt":"2024-04-19T09:16:38","slug":"methodiques-danalyse","status":"publish","type":"page","link":"https:\/\/www.solids-solutions.com\/fr\/rd\/analyser\/methodiques-danalyse\/","title":{"rendered":"Methodiques d\u2019analyse"},"content":{"rendered":"
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The survey below is a compilation of our routine-based analyses for particle size and porosity characterization. Our capabilities however reach beyond this list.
We can use a variety of customized analytical conditions or even complementary techniques.
Please contact us<\/a> for the possibilities.<\/strong><\/p>\n\n\n\n

Porosity<\/strong><\/h2>\n\n\n\n

N2<\/sub> Physical Gas Adsorption at 77 K (Volumetric Technique)<\/strong>
Single point BET (0.30 p\/p0<\/sub>)
Multi-point BET (0.05-0.10-0.15-0.20-0.25 p\/p0<\/sub>)
Multi-point BET pore volume (0.99 p\/p0<\/sub>)
Adsorption isotherm (0.05-0.99 p\/p0<\/sub>), multi-point BET, total pore volume, BJH adsorption pore size distribution (2-200 nm)
Adsorption and desorption isotherm (0.05-0.99 p\/p0<\/sub>), multi-point BET, total pore volume, BJH pore size distribution (2-200 nm)<\/p>\n\n\n\n

Ar Low Pressure Physical Gas Adsorption at 87 K (Volumetric Technique)
<\/strong>Adsorption isotherm (10-6<\/sup> – 0.3 p\/p0<\/sub>), SF micropore size distribution 0.5 – 2 nm<\/p>\n\n\n\n

CO2<\/sub> Physical Gas Adsorption at 273 K (Volumetric Technique)<\/strong>
Adsorption and desorption isotherm (5.10-4<\/sup> – 3.10-2<\/sup> p\/p0<\/sub>), micropore surface area and micropore volume (Dubinin-Radushkevic)<\/p>\n\n\n\n

Kr Physical Gas Adsorption at 77K (Volumetric Technique)
<\/strong>Multi-point BET (0.05-0.10-0.15-0.20-0.25 p\/p0<\/sub>)<\/p>\n\n\n\n

Hydrocarbon Gases (standard) Gas Adsorption (Volumetric Technique)
<\/strong>Adsorption isotherm 1-100 kPa<\/p>\n\n\n\n

Hydrocarbon Vapours Gas Adsorption (Volumetric Technique)
<\/strong>Adsorption isotherm 1-100 kPa<\/p>\n\n\n\n

H2 or CO Chemical Gas Adsorption (Volumetric Technique)
<\/strong>Dual adsorption isotherm (1-100 kPa), metal surface area, metal
dispersion and average crystallite size<\/p>\n\n\n\n

Mercury Intrusion Porosimetry
<\/strong>Intrusion curve 0.1 – 400 MPa, porosity, apparent density, pore size distribution 4 nm – 17 \u00b5m
Intrusion curve low pressure – 0.4 MPa, porosity, apparent density, pore size distribution 4 \u00b5m – 120 \u00b5m
Intrusion curve vacuum – 0.4 MPa, porosity, apparent density, macropore size distribution 4 \u00b5m – 800 \u00b5m
Intrusion curve low pressure – 400 MPa, porosity, apparent density, pore size distribution 4 nm – 120 \u00b5m
Intrusion curve vacuum – 400 MPa, porosity, apparent density, pore size distribution 4 nm – 800 \u00b5m<\/p>\n\n\n\n

He Pycnometry
<\/strong>Skeletal density<\/p>\n\n\n\n

Sizing<\/h2>\n\n\n\n

Laserdiffraction (dry, aqueous or organic liquid dispersion)
<\/strong>Forward light scattering, size distribution 0.5 \u00b5m – 2000 \u00b5m
Forward light scattering incl. backscattering information, size distribution 0.04 \u00b5m – 2000 \u00b5m
Sprays and aerosols<\/p>\n\n\n\n

Photon Correlation Spectroscopy (PCS)
<\/strong>Particle size distribution 3 nm – 3 \u00b5m<\/p>\n\n\n\n

Image Analysis
<\/strong>Shape information incl. photographs<\/p>\n\n\n\n

Time of Transition
<\/strong>Particle size distribution 0.5 \u00b5m – 3600 \u00b5m<\/p>\n\n\n\n

Phase Doppler Velocimetry
<\/strong>Spray droplet velocity and size distribution 0.5 \u00b5m – 90 \u00b5m<\/p>\n\n\n\n

Electron Microscopy
<\/strong>Scanning electron microscopy (SEM) high resolution
Scanning electron microscopy low resolution (max 5000x)
Transmission electron microscopy (TEM)
SEM with Energy dispersive X-ray spectrometry (EDS)<\/p>\n\n\n\n

Gravitational Sedimentation
<\/strong>Sedigraph size distribution 1 \u00b5m – 300 \u00b5m<\/p>\n\n\n\n

Electrical Sensing Zone
<\/strong>Coulter Counter narrow size distribution 0.6 \u00b5m – 1200 \u00b5m<\/p>\n\n\n\n

Sieve Analysis
<\/strong>Dry sieving, range 37 \u00b5m – 1700 \u00b5m<\/p>\n\n\n\n

Composition<\/strong><\/h2>\n\n\n\n

Instrumental Neutron Activation Analysis (INAA)
<\/strong>Each package one selected element quantitative, other elements semi-quantitative
<\/em>
Package A: F, Se<\/p>\n\n\n\n

Package B: Al, Ba, Ca, Cl, Cu, Dy, Er, Ga, K, I, In, Mg, Mn, Na, Rh, Si, Ti, V<\/p>\n\n\n\n

Package C: As, Au, Ba, Br, Ca, Cd, Ce, Cr, Fe, Ga, K, La, Mo, Na, Pd, Pt, Re, Sb, Sc, Sm, U, W, Yb, Zn<\/p>\n\n\n\n

Package D: Ag, Ba, Ca, Ce, Cr, Co, Cs, Eu, Fe, Hf, Hg, Ir, Lu, Nd, Ni, Os, Rb, Sb, Sc, Se, Sn, Sr, Ta, Tb, Te, Th, Yb, Zn, Zr<\/p>\n\n\n\n

Package E: As, Ba, Br, Cd, Co, Cr, Hg, Mo, Ni, Sb, Se, Sn, Zn<\/p>\n<\/div>\n\n\n\n

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