TG, DTG, and DTA thermograms of CaSO 4 - ResearchGate
Figure 4 shows the TG, differential TG (DTG), and DTA thermal analysis curves for the powder sample in the temperature range of 300-1600 K. The powder sample was prepared from single …
TGA measurement of the dried calcium sulfate dihydrate as …
Calcium sulfate dihydrate (CaSO4·2H2O) was prepared from the chemical reaction between calcium carbonate from duck eggshell and sulfuric acid at 25°C. The CaSO4·2H2O was dried …
Thermal analysis of calcium sulfate dihydrate sources used to ...
2016年9月10日 · Variations in the DTA/TGA traces, in conjunction with XRD, were used to estimate the chemical composition and effect of that impurity on the high temperature …
a) Thermogravimetric analysis (TGA) of calcium sulfate …
In this study, a simple and efficient strategy is developed to synthesize rod-like CaSO4·2H2O (DH) crystals with tunable aspect ratio in aqueous solution using Cu²⁺ as modifier.
(PDF) Thermodynamic study of the CaSO 4 -H 2 0 solid-gas ...
Experimental methods • TGA of synthetic dehydrated CaSO 4 • 2H 2 O under controlled 𝑻 and 𝑷 𝑯 𝟐 𝑶 • Symmetrical thermobalance (TAG 16 Setaram) and water vapor generator (Wetsys Setaram) • …
煤热解过程中CaSO 4 分解的实验研究,Fuel - X-MOL
2016年1月1日 · 通过比较原煤和脱矿煤之间的caso4分解率，可以得出结论，固有矿物可以大大促进caso4在高温下的分解，热重分析（tga）结果也证明了这一点。 CaSO4 分解速率随着煤粒 …
Kinetic model for calcium sulfate decomposition at high temperature
2015年10月1日 · A modified shrinking unreacted-core model, based on thermogravimetric analysis, was developed to investigate CaSO 4 decomposition in oxy-fuel combustion, …
Thermal Analysis of Calcium Sulfate Dihydrate and Supposed
Thermal studies were carried out on CaSO 4 · 2H 2 O and the supposed α and β forms of CaSO 4 · 1/2H 2 O in the region of 25 to 500 ° C. using differential thermal analysis, …
CaSO_4氢气下还原分解的热重研究 - 豆丁网
2016年5月5日 · 高温度和压力都导致CaSO4还原分解速率加快,CaSO4分解产物主要是GaS;在1000℃时CaSO4 和CaS之间可以发生固2固反应生成CaO. 关键词 TGA,CaSO4,还原分解,XRD
CaS-CaSO<sub>4</sub>是否共熔的DTA和TG实验研究 - cip
从物理化学变化及其热效应角度,利用综合热分析仪对氮气气氛下不同摩尔比例均匀混合的CaS、CaSO 4 样品进行差热分析 (DTA)和热重分析 (TG)研究,并对实验残留物进行SEM分析。 结果表 …
- 某些结果已被删除