以克孜尔库姆中部磷矿石为基础,测定了偶氮过磷酸钙的x射线相、红外光谱和光谱分析结果

Elyor Atashev, M. Jumaniyazov, S. Tadjiev
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摘要

本文论述了在当今农业中广泛使用的氮磷肥料生产中硫酸铵的应用。在研究工作中,详细介绍了以中KyzylKum低品位磷矿为原料,采用集约化技术制取偶氮过磷酸钙的可能性。本文详细介绍了用硫酸硫酸铵溶液制取的新型氮肥的x射线和红外光谱分析。对所得样品进行x射线衍射分析,发现硫酸铵(NH4)2SO4和磷酸二氢铵NH4Н2РO4的面间距线出现了峰。经证实,样品中除主要营养成分磷酸二钙和磷酸单钙外,还含有(NH4)2SO4和NH4Н2РO4。红外光谱分析结果表明,所得样品在873.75和1417.68 cm-1区域未检测到磷质岩成分中CO3 -离子的分解过程,即拉伸振动形成的高强度峰,这证明了完整的分解过程已经完成。同时,NH4Н2РO4样品红外光谱中H2PO4-离子- 1215.15 cm-1、PO4-离子- 532.35 cm-1的拉伸振动和H2PO4-离子- 1033.85 cm-1的弯曲振动的形成以及SO4 -离子- 1436.97 cm-1的拉伸振动的形成证实了(NH4)2SO4的存在。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
RESULTS OF X-RAY PHASE AND IR-SPEC ASE AND IR-SPECTRAL AN TRAL ANALYSIS OF AZOSUPERPHOSPH OSUPERPHOSPHATES OBTAINED ON THE BASIS OF AINED ON THE BASIS OF PHOSPHORITES OF CENTRAL KIZILKUM
This article is devoted to the use of ammonium sulfate in the production of nitrogen-phosphorus fertilizers, which are widely used in agriculture today. In the research work, the possibilities of obtaining azo superphosphate are described in detail by the use of intensive technology based on low-grade phospharites of the Central KyzylKum. X-ray and IRspectroscopic analyzes of a new type of NP-complex fertilizers obtained using a solution of ammonium sulfate in sulfuric acid are described in detail. The X-ray analysis of the obtained sample on the X-ray diffraction pattern of the azo-superphosphate fertilizer revealed the appearance of peaks in the interplanar spacing line (NH4)2SO4 of ammonium sulfate and NH4Н2РO4 of ammonium dihydrogen phosphate. It has been substantiated that in addition to the main nutrient components dicalcium phosphate and monocalcium phosphates, the sample also contains (NH4)2SO4 and NH4Н2РO4. The results of IR spectroscopic analyzes show that the process of decomposition of the CO3 2-ion in the composition of phosphorites, peaks with high intensity formed by stretching vibrations, in the regions of 873.75 and 1417.68 cm-1, were not detected in the IR spectra of the obtained sample and this proves that that the complete decomposition process is complete. Also, the formation of stretching vibrations of the H2PO4-ion - 1215.15 cm-1, the PO4 3-ion - 532.35 cm-1 and bending vibrations of the H2PO4 -ion - 1033.85 cm-1 in the IR spectrum of the sample in this NH4Н2РO4 sample and the formation of stretching vibrations of SO4 2-ion 1436.97 cm-1 confirmed the presence of (NH4)2SO4.
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