Determination of Phosphate Phases in Sewage Sludge Ash-Based Fertilizers by Raman Microspectroscopy

被引：16
|
作者：
Vogel, Christian [1 ]
Adam, Christian [2 ]
McNaughton, Don [1 ]
机构：
[1] Monash Univ, Sch Chem, Clayton, Vic 3800, Australia
[2] BAM Fed Inst Mat Res & Testing, Div Thermochem Residues Treatment & Resource Reco, D-12205 Berlin, Germany
来源：
APPLIED SPECTROSCOPY | 2013年 / 67卷 / 09期
关键词：
Fertilizer; Sewage sludge ash; Phosphate; Raman microspectroscopy; HEAVY-METAL REMOVAL; THERMOCHEMICAL TREATMENT; VIBRATIONAL-SPECTRA;
D O I：
10.1366/12-06955
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The chemical form of phosphate phases in sewage sludge ash (SSA)-based fertilizers was determined by Raman microspectroscopy. Raman mapping with a lateral resolution of 5 x 5 mu m(2) easily detected different compounds present in the fertilizers with the help of recorded reference spectra of pure substances. Quartz and aluminosilicates showed Raman bands in the range of 450-520 cm(-1). Phosphates with apatite structure and magnesium triphosphate were determined at around 960 and 980 cm(-1), respectively. Furthermore, calcium/magnesium pyrophosphates were detected in some samples.
引用
收藏
页码：1101 / 1105
页数：5
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