pycnometry

pycnometry

[pik′näm·ə·trē]
(physics)
The determination of liquid density by weighing the liquid in a container (pycnometer) of known volume.
References in periodicals archive ?
According to the literature [30], pycnometry is useful to obtain the cell wall density.
Galvin (2006) reviewed various techniques available for acquiring coal washability data, including float-sink, water fluidisation, jigging, water pycnometry, displacement pycnometry, and in-situ measurement of partition curves.
True density of Neusilin US2 and S-SNEDDS was measured using Helium Pycnometry (Smart Pycno 30, Smart Instruments, Mumbai).
1 Helium Pycnometry for Particle Density Measurements
Helium pycnometry and mercury porosimetry techniques were used to obtain the internal porosity of the coatings that, together with the average pore size, are key parameters for characterizing the mass transport through paint films.
Skeletal densities (densities of solid phase) were determined by means of helium pycnometry at Institute of Chemical Process Fundamentals AS CR in Prague, using the Accupyc 1330 Micrometrics helium pycnometer (analyst H.
A(H,C)])} (e) = from assays (supplier of crude) (f) = rheology (stress rheometer, couette geometry) (g) = dynamic viscosity/density (h) = pycnometry (i) = corrected numbers based on assumption 100-%C-%H=%O from water in crude sample (for high water content crudes) Table 2.
Applications include determining the porosity of a solid using porosimetry, pycnometry or gas adsorption, quantifying the surface area of powders and pellets, measuring the true density of a solid, and characterizing the specific surface area of metals and catalysts.
Gas pycnometry is a physical testing method that uses gas displacement to determine the volume and density of a nonvolatile solid sample.
These services include: particle size (sedimentation, electrozone sensing, OptiSizer PSDA optical imaging, or high definition laser particle size), surface area, pore size and size distributions, pore volume, density and volume by gas pycnometry or mercury porosimetry, envelope volume and density by a patented dry-fluid technique, T.
The extent of aerenchyma development in all experiments was quantified by tissue porosity measurements by pycnometry, similar to the method described by Jensen et al.