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Publication Type:
| Refereed |
Author(s): | Bidlingmaier, W.;
Maile, A. |
Author Affiliation: | University of Essen, Germany |
Title: | Results of a parallel interlaboratory test of the analysis of compost |
Section: | Research Other records with the "Research" Section
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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
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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." |
Language: | English |
References: | 4 |
Note: | Figures Tables |
| 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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