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A comparative study of titrimetric and gravimetric methods for the determination of organic carbon in soil
Abstract
Two gravimetric procedures for determining carbon in soil, one a dry combustion method and the other a wet oxidation method, were compared with seven variants of the titrimetric method, all based on titrimetric determination of the dichromate consumed when soil is heated with dichromate and acid. The coefficients of variation of the methods were, as percentages: dry combustion, 0.76; wet combustion, 1.1; Tinsley I, 1.3; Tinsley II, 1.8; Tinsley III, 0.8; Anne, 1.3; Mebius, 1.8; Walkley and Black, 1.6 and Tyurin, 8.5. Taking the dry combustion method as standard, the percentage recovery of organic carbon from 22 soils was 99 for wet combustion, 95 for Tinsley I, 95 for Tinsley II, 97 for Tinsley III, 93 for Anne, 95 for Mebius, 77 for Walkley and Black and 93 for the Tyurin method. A variant of the Tinsley method (Tinsley III) is proposed as a quick procedure when the accuracy of dry combustion is not essential.
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Cited by
Carbon losses from all soils across England and Wales 1978–2003
Bellamy, P. H., Loveland, P. J., Bradley, R. I., Lark, R. M., & Kirk, G. J. D. (2005) · Nature · doi:10.1038/nature04038 · Cited by 1,131
Is there a critical level of organic matter in the agricultural soils of temperate regions: a review
Loveland, P. (2003) · Soil and Tillage Research · doi:10.1016/s0167-1987(02)00139-3 · Cited by 821
The effects of biocidal treatments on metabolism in soil—I. Fumigation with chloroform
Jenkinson, D. S., & Powlson, D. S. (1976) · Soil Biology and Biochemistry · doi:10.1016/0038-0717(76)90001-8 · Cited by 721
Self-citationGOYAL, S., DHULL, S., & KAPOOR, K. (2005) · Bioresource Technology · doi:10.1016/j.biortech.2004.12.012 · Cited by 549
Poulton, P., Johnston, J., Macdonald, A., White, R., & Powlson, D. (2018) · Global Change Biology · doi:10.1111/gcb.14066 · Cited by 379
Metadata
- Authors
- Kalembasa, S. J., & Jenkinson, D. S.
- Venue
- Journal of the Science of Food and Agriculture
- Publisher
- Wiley
- Published
- 1973-09
- Volume
- 24
- Issue
- 9
- Pages
- 1085-1090
- ISSN
- 0022-5142 (ISSN-L)
- 1097-0010
- OpenAlex
- W2144511993
- Cited by
- 750
- References
- 0
- FWCI
- 8.75
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kalembasa, S. J., & Jenkinson, D. S. (1973). A comparative study of titrimetric and gravimetric methods for the determination of organic carbon in soil. Journal of the Science of Food and Agriculture. https://doi.org/10.1002/jsfa.2740240910
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