
Raman spectra from very concentrated aqueous NaOH and from …
2006年3月16日 · High-temperature, high-pressure Raman spectra were obtained from aqueous NaOH solutions up to 2 Na O H ∕ H 2 O , with X Na O H = 0.667 at 480 K . The spectra …
高温高压氢氧化钠(NaOH)溶液:<em>原位</em>拉曼光谱 …
结合拉曼光谱和第一原理分子分子动力学模拟进行了热液金刚石砧细胞实验,以研究NaOH水溶液的结构和动力学,其温度最高为700°C,压力最高为850 MPa,并且有两种不同的溶质浓度。
Fig. 2. (a) Raman spectra for the NaOH solution at 17.2 wt.%. (b)...
The Raman and infrared spectra show the characteristic carbonate peaks of calcite and phosphate peaks attributed to a new phosphate phase which intensity decreases and …
Raman spectra from very concentrated aqueous NaOH and …
2006年3月21日 · High-temperature, high-pressure Raman spectra were obtained from aqueous NaOH solutions up to 2NaOHH2O, with X (NaOH)=0.667 at 480 K. The spectra corresponding …
Raman spectra and microdynamics of the hydroxide-ion in molten NaOH …
1999年12月1日 · Raman Spectra of Sodium Hydroxide Figure 1(1) depicts the spectrum of crystalline NaOH at room temperature. Phonon vibrations are observed at 211 and 100 cm-l, …
Raman spectra of the sample of anhydrous NaOH at
The mechanism of decomposition of magnesium inosilicate (MgSiO3) during the alkali fusion process using NaOH was investigated by Raman spectroscopy in situ and X-ray diffraction …
Spectra study hydrogen bonds dynamics of water molecules at NaOH …
2019年3月1日 · In this paper, we investigated the Raman spectra of different concentrations of NaOH solutions at normal conditions. The Raman shift changes when the concentration of …
Structure of water molecules from Raman measurements of …
2017年8月5日 · The Raman spectra of different concentrations of NaOH solutions have been successfully obtained at normal pressure by cooling. The results indicate that the icing point …
Raman and FTIR study of NaOH and NaOD under pressure
1999年1月1日 · Raman and infrared reflection spectra of the fundamental lattice modes of NaOH are observed in a broad temperature range in the low-temperature orthorhombic and in the …
Aqueous sodium hydroxide (NaOH) solutions at high pressure …
2018年7月24日 · Hydrothermal diamond anvil cell experiments in combination with Raman spectroscopy and first principles molecular dynamics simulations were performed to …