The molar heat capacity of hydrous copper chloride: atacamite Cu2Cl(OH)3

Monolithic copper oxide aerogel via dispersed inorganic sol–gel method

“…It indicates that the crystalline portion of samples have no chemical change except for the increases of the crystallinity of Cu 2 Cl(OH) 3 below 200°C; the decomposition of Cu 2 Cl(OH) 3 and the production of CuO occur during 200-300°C and continue until the decomposition of Cu 2 Cl(OH) 3 is completed via the 400°C treatment; and the crystallinity of CuO increases above 400°C.The thermal studies on basic halides were carried out for several years [33][34][35][36] and arguments existed on the thermal analyses of copper hydroxide chloride. Ball and Coultard [37] reported that the thermal decomposition of copper hydroxide chloride in air consists of two endothermic steps shown in Eq.…”

A novel, low-energy process route for primary production of copper utilising synergistic hydro- and pyro-metallurgical processes

“…In this study, the basic copper sulphate was observed to begin decomposing above approximately 477 K while Barner and Scheuerman (1978) reported the heat capacity function of the solid up to 573 K. In this study, between 477 and 573 K the basic copper sulphate underwent decomposition reactions to lose approximately 2% of its mass. Bisengalieva et al (1997). The results of this study have a better fit with the low temperature findings of Bisengalieva et al (1997) than the high temperature findings presented in that same study.…”

“…Bisengalieva et al (1997). The results of this study have a better fit with the low temperature findings of Bisengalieva et al (1997) than the high temperature findings presented in that same study. One of the main reasons for the high precision of the experimental measurements determined in this study was the thorough calibration and buoyancy correction methods used.…”

“…xi with the specific heat capacity temperature correlation function reported by Barner and Scheuerman (1978) and the specific heat capacity of the basic copper sulphate brochantite at 298 K reported by Kwok and Robins (1973) xx Figure 4-9: Specific heat capacity of the basic copper chloride clinoatacamite from this study determined between 303 and K using differential scanning calorimetry compared with data from Bisengalieva et al (1997) determined between 2 and 305 K using cryogenic-adiabatic calorimetry and data from Bisengalieva et al (1997) with metallic copper at 1250°C (wt. %) adapted from Hidayat et al (2015).…”

“…There are very few reports on the heat capacity of basic copper salts at temperatures above 300K. The heat capacity of basic copper sulphate has been reported up to 573 K (Barner & Scheuerman 1978) while the heat capacity of basic copper chloride has been studied up to 508 K (Bisengalieva et al 1997). Some researchers have also presented estimates of standard heat capacity data for the basic copper sulphate salts (Kwok & Robins 1973).…”