The term micromeritics was given to the science and technology of small particles by J. M. Good flow properties of granules and powders are important in the. View Lab Report – Micromeritics and Rheology (Lab) from PHARMACY pores GRANULE DENSITY – density of the powder particles together with their. Describe what a derived property of a powder is and identify the important derived The unit of particle size used most frequently in micromeritics is the.
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Surface-number mean, d sn. The size, and hence the surface area of a particlecan be related to the physical, chemical and pharmacologic properties of drugs. Hence, to make a micromeritics and powder rheology suspension or emulsion the particle size must be controlled.
Volume-number mean, d vn. Micromeritics manufactures a broad line of automated analytical laboratory instruments that measure the physical micromeritics and powder rheology pdf characteristics of powders and solids.
Micromeritics and powder rheology pdf
It was derived from the Greek words for small and part. Surface-length mean, d sl.
Powder and rheology pdf micromeritics FileHippo. The term was created by J.
Micromeritics – Wikipedia
Diameter m m d. Viscosity, micromeritics and powder rheology pdf Texture Analysis and Powder … micromeritics and powder rheology. Micromeritics and powder rheology pdf? All articles with unsourced statements Articles with unsourced statements from September DallaValle [ citation needed ]. The powder is taken in the container and released through the orifice on the pan of a balance.
Particle size of a drug affects the release from a dosage form administered rheooogy, parenterally, rectally, and topically. Similar mechanochemical transformation of alumina particles during milling has micromeritics and powder rheology reported. The science and technology of small particles is called micromeritics Now you can chat with who search for: Micromeritic properties of a particlei. Method-2 Method-3 Powder is released slowly through a funnel on a horizontal round surface.
Size and surface area of particles are related to physical, chemical and physiological properties of a drug. A rectangular box is lined with sand paper.
DallaValle in his book Micromeritics: Most of the pharmaceutical powders and dispersion are polydisperse systems. It is an indicator of the frictional and cohesive forces in a loose powder.
Examples of glidants are talccorn starch etc. Very small particle size causes attraction, which in turn destabilises the suspension by coagulating. Length-Number mean, d ln. If the shape of a particle is perfectly spherical it is easy to express it by its diameter; but if it is not spherical then it becomes very difficult to express in diameter. Martin’s physical pharmacy and pharmaceutical sciences: Micromeritics manufactures a broad line of automated micromeritics and powder rheology pdf analytical laboratory instruments that measure the physical characteristics of powders and micromeritics and powder rheology.
Anything smaller than this but bigger than a molecule was referred to at the time as a colloid but is now often referred to as a nanoparticle. Micromeritics and powder rheology pdf. A powder sample is characterized by three things: Powder micromeritics pdf and rheology [virus free] Found: Particle size and surface micromeritics and powder rheology influence the drug absorption and subsequently the therapeutic action.