de Almeida, B. G. and da Silva, A. P. and Raine, Steven R. and Figueiredo, G. C. (2009) Evaluation of automotive varnish as a coating for density measurements of soil clods. Journal of the Soil Science Society of America, 73 (2). pp. 449-452. ISSN 0361-5995
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Identification Number or DOI: doi: 10.2136/sssaj2008.0191
Saran F-310 resin (Dow Chemical Co, Midland, MI) has been widely used to coat soil clods for density and size measurements; however, the manufacturer has recently stopped producing this resin and supplies are difficult to obtain. Hence, we evaluated the feasibility of using Lazzudur 7502 (Sherwin-Williams, Cleveland, OH) automotive varnish to coat soil clods for density measurement. Preliminary evaluations showed that immersion of clods in the varnish did not affect clod cohesion and that a single immersion in Lazzudur with 30 min of post-immersion drying produced density results not significantly (P < 0.05) different to those obtained using saran. This technique was tested across seven soils and no significant (P < 0.05) difference was found in the density of the clods measured using the two coating methods. This work suggests that automotive varnish can be used as an alternative to saran resin for clod density measurements.
|Item Type:||Article (Commonwealth Reporting Category C)|
|Additional Information:||Access to paper restricted by publisher (Soil Science Society of America).|
|Uncontrolled Keywords:||soil clods; resin; densitometers; density measurement (optical); density measurement (specific gravity)|
|Fields of Research (FOR2008):||05 Environmental Sciences > 0503 Soil Sciences > 050303 Soil Biology|
05 Environmental Sciences > 0503 Soil Sciences > 050305 Soil Physics
04 Earth Sciences > 0403 Geology > 040312 Structural Geology
|Socio-Economic Objective (SEO2008):||D Environment > 96 Environment > 9614 Soils > 961499 Soils not elsewhere classified|
|Deposited On:||21 Jun 2010 14:23|
|Last Modified:||21 Dec 2011 15:46|
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