particle counting

particle counting

[′pärd·ə·kəl ‚kau̇nt·iŋ]
(analytical chemistry)
Microscopic or photomicrographic technique for the visual counting of the numbers of particles in a known quantity of a solid-liquid suspension.
References in periodicals archive ?
PMS is the largest particle counting manufacturer in the world, and as an official channel partner for PMS, Critical Certification Pty Ltd will solely represent the complete line of PMS products in the region.
About Particle Measuring Systems: A global technology leader in the environmental monitoring industry, Particle Measuring Systems, a Spectris company, is the inventor of laser particle counting and the largest particle counter manufacturer in the world.
Particle counting and microbiological air sampling: results of the simultaneous use of both procedures in different types of hospital rooms.
However, proteinaceous particles that form by self-association of protein molecules (termed "protein particles" in this paper) are known to give particle concentrations that differ by a factor of ten or more on different types of particle counting instruments [3-5].
Before a decision can be made regarding the best path forward, some form of microscopy (see Supplemental Material, "Imaging Particle Counting Techniques," pp.
It can perform automated particle counting, data collection, and reporting.
Although the study developed by Seal and Clark (1990) identified a correlation between viable and airborne particle counting by portable particle counters, further studies employing different methodologies, such as the Andersen cascade impactor, are needed to provide information, such as biological composition, and to confirm the infection risk.
This unique technology allows users to save at least two hours per day and stop manually tearing, taping, scanning and copying portable particle counting print-out data.
Since red cell stacks (rouleaux) due to electrostatic changes, platelet clumps from early stages of blood clotting and debris from broken dendritic cells are often in the same 10 micron size, this means that particle counting is subject to many false positives.
Sysmex Corporation is a global supplier of clinical laboratory testing devices, reagents and software for hematology, hemostasis, immuno-chemistry, particle counting and urinalysis.
Products include the Nicomp 380, the Nicomp ZLS for zeta potential measurements and the AccuSizer FX for particle counting and analysis of submicron dispersions.
Each image was then divided into four sections; thus, 24 sections were used for each sample for particle counting.