Full TGIF Record # 38790
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Publication Type:
Author(s):Bidlingmaier, W.; Maile, A.
Author Affiliation:University of Essen, Germany
Title:Results of a parallel interlaboratory test of the analysis of compost
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Source:Compost Science & Utilization. Vol. 4, No. 3, Summer 1996, p. 18-37.
Publishing Information:Emmaus, PA: JG Press
# of Pages:20
Keywords:TIC Keywords: Composts; Analysis; Analytical methods; Tests
Abstract/Contents:"In the spring of 1993, the Bundesgutegemeinschaft Kompost e.V. (FCQAO) assigned the waste management faculty of the University of Essen the task of organizing and executing a parallel interlaboratory test to review the quality of work of the laboratories approved for compost analysis. Essential preconditions for a workable quality assurance system have been created with the compilation of a binding 'methods book' for the analysis of composts and the execution of the parallel interlaboratory test in 1993. A total of 95 laboratories took part in the 1993 parallel interlaboratory test which analyzed a total of 31 parameters from four randomly allocated subsamples from a homogenous population. The majority of parameters were determined by multiple repetition analysis. The essential calculated statistical positional and dispersion values for the outlier-adjusted data sets (laboratory mean values) were the total mean, median, standard deviation, variation coefficient, range and percentiles."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Bidlingmaier, W., and A. Maile. 1996. Results of a parallel interlaboratory test of the analysis of compost. Compost Sci. Util. 4(3):p. 18-37.
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