The powder Fourier-transform (FT) infrared and Raman spectra of ScAsO4· H2O were recorded and are discussed with a factor-group analysis based on of its known structural characteristics.Copyright 2006 John Wiley & Sons, Ltd.doi:10.1002/jrs.1635Enrique J. Baran...
磷石膏是湿法生产磷酸排出的工业废渣,主要成分是CaSO4·2H2O。 ⑴CaSO4·2H2O脱水反应相关的热化学方程式为: CaSO4·2H2O(s)=CaSO4·H2O(s)+H2O(g) ΔH1=83.2 kJ·mol-1 CaSO4&
感难元称家团改出力还听太建筑石膏的分子式是()感难元称家团改出力还听太 A. CaSO4middot;2H2O B. CaSO4 C. CaS4middot;H2O D
ECaSO4·2H2O→CaSO4·1/2H2O 该题目是单项选择题,请记得只要选择1个答案!正确答案 点击免费查看答案 试题上传试题纠错题目解答分析 石膏类模型材料的凝固是半水硫酸钙转变为二水硫酸钙的过程。半水硫酸钙溶解度低,为0.9g/100ml,与水混合后转变为二水硫酸钙,二水硫酸钙的溶解度更低,为0.2g/100ml,很快形成过...
Voigtländer, H, Winkler, B, Depmeier, W, Knorr, K, Ehm, K Host-guest interaction in bassanite, CaSO4·0.5 H2O. In: Laeri, F, Schüth, F, Simon, U, Wark, M eds. (2003) Host–guest-systems based on nanoporous crystals. Wiley-VCH, New York, pp. 280-305...
The thermal decomposition of polyhalite (K2SO4 · MgSO4 · 2 CaSO4 · 2H2O) was investigated by DSC/TG and X-ray powder diffraction. The decomposition of the polyhalite starts at 285 掳C in releasing the crystal water within one step. Simultaneously the decomposition of the polyhalite into ...