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Extraction and colorimetric determination of picloram in soil

โœ Scribed by Cheng, Hwei-Hsien

Book ID
126816384
Publisher
American Chemical Society
Year
1969
Tongue
English
Weight
395 KB
Volume
17
Category
Article
ISSN
0021-8561

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Extraction and Colorimetric Determinatio
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โœ Douglas, L. A.; Bremner, J. M. ๐Ÿ“‚ Article ๐Ÿ“… 1970 ๐Ÿ› The American Society of Agronomy ๐ŸŒ English โš– 150 KB

## Abstract A simple colorimetric method of determining urea in soils is described. The soil sample is extracted with 2__M__ KCl containing a urease inhibitor (phenylmercuric acetate), and the extract is analyzed for urea by measurement of the red color formed when an aliquot is heated with diacety