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In 2013, MATHESON acquired Continental Carbonic Products Inc., an Illinois-based manufacturer and supplier of dry ice and liquid carbon dioxide operating 31 branch locations and eight production facilities.
Dry ice is the solid form of carbon dioxide (CO 2), a molecule consisting of a single carbon atom bonded to two oxygen atoms. Dry ice is colorless, odorless, and non-flammable, and can lower the pH of a solution when dissolved in water, forming carbonic acid (H 2 CO 3). [1]
2014 – Acquired Continental Carbonic Products, Inc. in US and becomes largest independent supplier of Dry Ice in US. [12] 2015 – Acquired Thailand based Air Products Industry and Australian industrial gas company Renegade Gas Pty Ltd. [13] [6] 2016 – Acquired Chinese company Jilin OLED Material Tech and US company Sulfa Trap. [14] [15]
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[1] [2] Dry ice is subsequently added to form carbonic acid, changing the pH of the solution from basic to acidic. [2] This causes the solution to change colors again. [2] [3] Simultaneously, a cloud of carbon dioxide is generated from the sublimation of dry ice due to the condensation of water vapor in the air. [4]
Carbon dioxide hydrate or carbon dioxide clathrate is a snow-like crystalline substance composed of water ice and carbon dioxide. [1] It normally is a Type I gas clathrate. [2] There has also been some experimental evidence for the development of a metastable Type II phase at a temperature near the ice melting point.
Both flasks are submerged in a dry ice/acetone cooling bath (−78 °C) the temperature of which is being monitored by a thermocouple (the wire on the left). A cooling bath or ice bath , in laboratory chemistry practice, is a liquid mixture which is used to maintain low temperatures, typically between 13 °C and −196 °C.