Abstract
We describe a simple method for measuring cellulose in soil. We used this method to measure the recovery of shredded office paper and pure medium fiber cellulose added to a Helvetia silt loam clay soil. This method consists of solvating cellulose from soil with 77% H2SO4 and analysis of the cellulose recovered by the phenol-sulfuric acid carbohydrate assay. Unlike previous related methods the modifications we propose allow good recovery of cellulose (~99%) and eliminate the need to autoclave the samples. We verified this method on soil spiked with up to 12% cellulose and found a good linear relationship between the amounts of cellulose added relative to that recovered. With proper fragmentation and dilution of the acid-treated soil samples, higher concentrations can be easily measured. We propose this technique as a robust and high throughput means to monitor the degradation of cellulose in paper spiked soil.
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We thank Portland State University and Bokashicycle LLC for support.
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Green, T.R., Popa, R. A Simple Assay for Monitoring Cellulose in Paper-Spiked Soil. J Polym Environ 18, 634–637 (2010). https://doi.org/10.1007/s10924-010-0239-3
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DOI: https://doi.org/10.1007/s10924-010-0239-3