`Chemistry Main article: Homogenization (chemistry) A heterogeneous mixture is a mixture of two or more compounds. Examples are: mixtures of sand and water or sand and iron filings, a conglomerate rock, water and oil, a salad, trail mix, and concrete (not cement).[8] During the sampling of heterogeneous mixtures of particles, the variance of the sampling error is generally non-zero. Gys sampling theory [9] quantitatively defines the heterogeneity of a particle as: h_i = \frac{(c_i - c_\text{batch})m_i}{c_\text{batch} m_\text{aver}} . h_i, the heterogeneity of the ith particle of the population c_i, the mass concentration of the property of interest in the ith particle of the population c_\text{batch},the mass concentration of the property of interest in the population m_i, the mass of the ith particle in the population m_\text{aver}, the average mass of a particle in the population Homogenization is the process of causing a heterogeneous mixture to become homogene .
Posted on: Wed, 09 Jul 2014 10:48:07 +0000
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