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  • Title: Crude fiber determination using ceramic fiber to replace asbestos.
    Author: Knox RL, Engvall DS, Ginther BE.
    Journal: J Assoc Off Anal Chem; 1982 Sep; 65(5):1073-5. PubMed ID: 6290441.
    Abstract:
    Crude fiber was determined in a wide range of feed products by a method which specifies ceramic fiber as a filter medium instead of the more hazardous and difficult to obtain asbestos. Results correlated well with those obtained by using AOAC official final action method 7.061-7.065 (correlation coefficient, 0.9994). For 8 samples, the coefficients of variation ranged from 0.74 to 4.80%. Compared with the AOAC method the proposed method showed a slight negative bias of 0.1%. Compared with asbestos, ceramic fiber was easier to prepare for use, filtering was faster, and samples bumped less.
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