Solution Phosphorus-31 Nuclear Magnetic Resonance Spectroscopy of Soils from 2005 to 2013: A Review of Sample Preparation and Experimental Parameters

Cade-Menun, Barbara J.; Liu, Corey W.

doi:10.2136/sssaj2013.05.0187dgs

Cited by 216 publications

(165 citation statements)

References 98 publications

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“…NMR includes two methods, the solid phase and the liquid phase. Although the solid phase pretreatment is simple, it's limited by low P concentration in the environmental samples, and the spectra quality of solid 31 P NMR is poor in general, so the solution 31 P NMR is often applied in OP analysis of sediment samples (Cade-Menun and Liu, 2013;Cade-Menun, 2005;Turner et al, 2005). Generally, the P components were analyzed by solution 31 P NMR including phosphonates, orthophosphate, orthophosphate monoesters, orthophosphate diesters, pyrophosphate and polyphosphate, and the orthophosphate monoesters include some of components, such as phytate, Glucose-6-phosphate (Cade-Menun, 2005;CadeMenun and Preston, 1996;Turner et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

Characteristics of phosphorus components in the sediments of main rivers into the Bohai Sea

Shan

et al. 2016

Ecological Engineering

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Section: Introductionmentioning

confidence: 99%

Characteristics of phosphorus components in the sediments of main rivers into the Bohai Sea

Shan

et al. 2016

Ecological Engineering

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“…Po was calculated as the difference between TP and Pi. Thus, the Po were overestimated, because the poly-P and pyro-P were not react with color reagent (Cade-Menun and Liu, 2013;Shand et al, 2000). So the P in the sediment may be divided into molybdate-reactive P (MRP) and molybdate-unreactive P (MUP) (Cade-Menun and Liu, 2013;Haygarth and Sharpley, 2000).…”

Section: Sediment Sampling and Analysesmentioning

confidence: 99%

“…Since the first application of 31 P-NMR in soil analysis (Newman and Tate, 1980), many researches have been carried out for soil, manure and sediment (Cade-Menun and Liu, 2013;Toor et al, 2005;Ahlgren et al, 2006). Several P compounds have been studied by 31 P-NMR, including phosphonate, orthophosphate, orthophosphate monoesters, orthophosphate diesters (lipids-P and DNA-P), pyrophosphate and polyphosphate (Cade-Menun, 2005).…”

Section: Introductionmentioning

confidence: 99%

Characteristics, distribution and ecological risk assessment of phosphorus in surface sediments from different ecosystems in Eastern China: A 31P-nuclear magnetic resonance study

Zhang

Shan

et al. 2015

Ecological Engineering

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P-NMR ERI Sediment A B S T R A C TSurface sediments in different ecosystems (lake, river, reservoir, estuary and wetland) in Eastern China were extracted with NaOH-EDTA, and the extracts were analyzed by 31 P-NMR to reveal the phosphorus (P) species distribution. The P release risk was also assessed by sorption experiments. The river sediments accumulated significant amounts of P compared with other sediments. The organic phosphorus (Po) concentration in the estuarine sediment was lower than that in other sediments. Two P compounds classes (phon-P and mono-P) and five P compounds were detected in the sediments. Ortho-P (83.3-97.6%) was the dominant P compounds and mono-P (1.1-18.0%) were the dominant Po compounds classes, while smaller amounts of DNA-P (0-4.1%), pyro-P (0-4.0%) and lipid-P (0-0.8%) were found in the surface sediment. Poly-P and phon-P were detected only in site 11 (wetland), site 10 (wetland) and 11, respectively. The ERI values, as a measure of eutrophication risk, were different in the various sediments, being greater than 25% in sites 1 (river), 3 (estuary) and 4 (estuary), and with values of 26, 59 and 83%, respectively. The Xm and ERI values fitted a power function (R Xm-ERI = 0.89, p < 0.01) and a positive correlation between Xm and OM in the sediment (R Xm-OM = 0.84, p < 0.01) indicated that the chemicalphysical conditions play a vital role in controlling P sorption and desorption.

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“…31 P nuclear magnetic resonance ( 31 P-NMR) spectroscopy is a nondestructive, noninvasive technique that identifies chemical forms and provides comprehensive information about Po components (Hupfer and Rübe 2004) . It is therefore an ideal technique to use to obtain information about Po species in marine or freshwater sediments Turner et al 2005;Cade-Menun and Liu 2013). Several Po compounds, such as phosphonates, orthophosphate monoesters, and orthophosphate diesters, have been detected by 31 P-NMR (Turner et al 2005).…”

Section: Introductionmentioning

confidence: 99%

Composition of phosphorus in wetland soils determined by SMT and solution 31P-NMR analyses

Zhang

Jin

Ding

et al. 2016

Environ Sci Pollut Res

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In Eastern China, wetlands are common in the lower reaches of catchments or in coastal zones. Wetlands are at risk from eutrophication because of the large quantities of phosphorus (P) they receive from rivers. They are also decreasing in size. In this contribution, we present information about the composition of P in wetland soils, obtained using the Standards, Measurements, and Testing (SMT) protocol and 31 P-nuclear magnetic resonance (NMR) spectroscopy. Average P concentrations varied in the different wetland soils and, in four of the five wetlands sampled, exceeded 500 mg kg −1. HCl-inorganic P (Pi) was the main Pi fraction in wetland soils. The percentage contribution of Pi (89.7 %) to total P was the highest in the Yangtze River estuary wetland. Six P components were detected by 31 P-NMR analysis. Mono-P was the main organic P (Po) in wetland soils. Orthophosphate (Ortho-P) was positively and negatively related to NaOH-Pi (R 2 = 0.957, p < 0.001) and HCl-Pi (R 2 = −0.689, p < 0.001), respectively. Orthophosphate monoesters (Mono-P) were positively related to Po (R 2 = 0.617, p < 0.001) and ortho-P (R 2 = 0.624, p < 0.001), respectively. The main Po component was Mono-P, and it may be mineralized to ortho-P under the frequently changing redox conditions in wetland soils. The information from this study will support the development of robust scientific and effective policy for P management in wetlands.

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Solution Phosphorus-31 Nuclear Magnetic Resonance Spectroscopy of Soils from 2005 to 2013: A Review of Sample Preparation and Experimental Parameters

Cited by 216 publications

References 98 publications

Characteristics of phosphorus components in the sediments of main rivers into the Bohai Sea

Characteristics of phosphorus components in the sediments of main rivers into the Bohai Sea

Characteristics, distribution and ecological risk assessment of phosphorus in surface sediments from different ecosystems in Eastern China: A 31P-nuclear magnetic resonance study

Composition of phosphorus in wetland soils determined by SMT and solution 31P-NMR analyses

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