Wood, coal, graphite, carbon black

Wood, coal, graphite, carbon black

In the case of powdery carbon materials, of course, the particle size distribution plays a crucial role for the characterization, while for granulated samples, the meso- and macropores are often the focus of attention. Investigation of micropores are relevant for both powdery and granulated samples, since the micropores usually exhibit a major part of the specific surface area, and most of the exchange and sorption processes take place there. Activated carbons belong to special carbons and adsorbents. Wood, coal, graphite and carbon blacks mostly possess moderate specific surfaces, which are used for other applications. Specifically carbon blacks used as fillers for car tires have led to a special parameter, the so-called STSA surface area, which is measured by gas adsorption and requires a BET analyzer.

Kohle

Analyzers for wood, coal, graphite and carbon black

ANALYSIS METHODPARAMETERMEASURING INSTRUMENT
Laser diffraction (wet or dry)Particle size of powderBettersizer S3 series
Bettersizer 2600
Bettersizer ST
Image analysisParticle shapeBeVision D2
Bettersizer S3 Plus
Gas adsorptionBET-surface area and pore analysis3P micro series
3P meso series
3P sync series
3P surface DX
Mercury porosimetryPore analysis (pore volume, pore size distribution, raw density)Contract analysis
Dynamic vapor sorption – DVSWater uptake and -release3P graviSorb series
DLS – dynamic light scattering (Photon correlation)Particle size in nanometer rangesBeNano series
Gas pycnometryDensity3P densi series
Acoustic spectrometryParticle size in micrometer and nanometer ranges in concentrated dispersionsDT-1202
DT-100
Electro acousticZeta potentialDT-1202
DT-310
DT-300
Multiple light scatteringStability of dispersionsContract analysis
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