Steady‐State Procedure for Determining the Effective Particle‐Size Distribution of Soil Carbonates
Abstract A pH‐stat procedure in conjunction with the equal‐diameter reduction model was used to estimate the effective particle‐size distribution of soil carbonates. Samples were titrated by pH‐stat at pH 3 and 5. The cumulative dissolution data and rate constants for the dissolution of Iceland‐spar...
Published in: | Soil Science Society of America Journal |
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Wiley
1990
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crwiley:10.2136/sssaj1990.03615995005400010008x 2023-12-03T10:24:42+01:00 Steady‐State Procedure for Determining the Effective Particle‐Size Distribution of Soil Carbonates Hartwig, R. C. Loeppert, R. H. Moore, T. J. United States - Israel Binational Agricultural Research and Development Fund 1990 http://dx.doi.org/10.2136/sssaj1990.03615995005400010008x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.2136%2Fsssaj1990.03615995005400010008x http://onlinelibrary.wiley.com/wol1/doi/10.2136/sssaj1990.03615995005400010008x/fullpdf en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Soil Science Society of America Journal volume 54, issue 1, page 55-59 ISSN 0361-5995 1435-0661 Soil Science journal-article 1990 crwiley https://doi.org/10.2136/sssaj1990.03615995005400010008x 2023-11-09T14:12:42Z Abstract A pH‐stat procedure in conjunction with the equal‐diameter reduction model was used to estimate the effective particle‐size distribution of soil carbonates. Samples were titrated by pH‐stat at pH 3 and 5. The cumulative dissolution data and rate constants for the dissolution of Iceland‐spar calcite were incorporated into simultaneous equations to obtain estimates of the effective particle‐size distributions of soil carbonates. Results obtained by this method from 23 calcareous soils were compared with results obtained by a sieving and sedimentation procedure. The pH‐stat procedure resulted in the estimation of a higher proportion of clay‐size carbonates than was obtained by the sieving and sedimentation procedure. This difference was attributed predominantly to the higher reactivity of soil carbonates compared with Iceland‐spar calcite. The pH‐stat procedure was especially useful for obtaining quantitative estimates of the proportion of highly reactive clay‐size carbonate with <0.2‐µm effective particle diameters. Article in Journal/Newspaper Iceland Wiley Online Library (via Crossref) Soil Science Society of America Journal 54 1 55 59 |
institution |
Open Polar |
collection |
Wiley Online Library (via Crossref) |
op_collection_id |
crwiley |
language |
English |
topic |
Soil Science |
spellingShingle |
Soil Science Hartwig, R. C. Loeppert, R. H. Moore, T. J. Steady‐State Procedure for Determining the Effective Particle‐Size Distribution of Soil Carbonates |
topic_facet |
Soil Science |
description |
Abstract A pH‐stat procedure in conjunction with the equal‐diameter reduction model was used to estimate the effective particle‐size distribution of soil carbonates. Samples were titrated by pH‐stat at pH 3 and 5. The cumulative dissolution data and rate constants for the dissolution of Iceland‐spar calcite were incorporated into simultaneous equations to obtain estimates of the effective particle‐size distributions of soil carbonates. Results obtained by this method from 23 calcareous soils were compared with results obtained by a sieving and sedimentation procedure. The pH‐stat procedure resulted in the estimation of a higher proportion of clay‐size carbonates than was obtained by the sieving and sedimentation procedure. This difference was attributed predominantly to the higher reactivity of soil carbonates compared with Iceland‐spar calcite. The pH‐stat procedure was especially useful for obtaining quantitative estimates of the proportion of highly reactive clay‐size carbonate with <0.2‐µm effective particle diameters. |
author2 |
United States - Israel Binational Agricultural Research and Development Fund |
format |
Article in Journal/Newspaper |
author |
Hartwig, R. C. Loeppert, R. H. Moore, T. J. |
author_facet |
Hartwig, R. C. Loeppert, R. H. Moore, T. J. |
author_sort |
Hartwig, R. C. |
title |
Steady‐State Procedure for Determining the Effective Particle‐Size Distribution of Soil Carbonates |
title_short |
Steady‐State Procedure for Determining the Effective Particle‐Size Distribution of Soil Carbonates |
title_full |
Steady‐State Procedure for Determining the Effective Particle‐Size Distribution of Soil Carbonates |
title_fullStr |
Steady‐State Procedure for Determining the Effective Particle‐Size Distribution of Soil Carbonates |
title_full_unstemmed |
Steady‐State Procedure for Determining the Effective Particle‐Size Distribution of Soil Carbonates |
title_sort |
steady‐state procedure for determining the effective particle‐size distribution of soil carbonates |
publisher |
Wiley |
publishDate |
1990 |
url |
http://dx.doi.org/10.2136/sssaj1990.03615995005400010008x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.2136%2Fsssaj1990.03615995005400010008x http://onlinelibrary.wiley.com/wol1/doi/10.2136/sssaj1990.03615995005400010008x/fullpdf |
genre |
Iceland |
genre_facet |
Iceland |
op_source |
Soil Science Society of America Journal volume 54, issue 1, page 55-59 ISSN 0361-5995 1435-0661 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.2136/sssaj1990.03615995005400010008x |
container_title |
Soil Science Society of America Journal |
container_volume |
54 |
container_issue |
1 |
container_start_page |
55 |
op_container_end_page |
59 |
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1784273211702116352 |