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The determination of urea in soil extracts and related samples - a review

journal contribution
posted on 2004-01-01, 00:00 authored by D Lambert, John SherwoodJohn Sherwood, Paul FrancisPaul Francis
Although the dominant methods for the determination of urea in clinical applications incorporate selective enzymatic hydrolysis of urea, the determination of urea in soil extracts is complicated by the presence of urease inhibitors. The spectrophotometric determination of urea with an acidic solution diacetyl monoxime and semicarbazide is a viable option but traditional manual procedures are time-consuming. New variations on these procedures, based on microplates or flow-injection analysis methodologies, allow a far greater number of samples to be analysed with high precision and sensitivity.

History

Journal

Australian journal of soil research

Volume

42

Pagination

709 - 717

Publisher

CSIRO Publishing

Location

Collingwood, Vic.

ISSN

0004-9573

eISSN

1446-568X

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2004, CSIRO