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Carbon dioxide phase diagram. Supercritical carbon dioxide blend (sCO 2 blend) is an homogeneous mixture of CO 2 with one or more fluids (dopant fluid) where it is held at or above its critical temperature and critical pressure. [1]
If the carbon dioxide content is lower than 0.04%, it changes from red to magenta and, in relatively very low carbon dioxide concentrations, to purple. [1] Carbon dioxide, even in the concentrations found in exhaled air, will dissolve in the indicator to form carbonic acid , a weak acid , which will lower the pH and give the characteristic ...
Liquid carbon dioxide is the liquid state of carbon dioxide (CO 2 ), which cannot occur under atmospheric pressure. It can only exist at a pressure above 5.1 atm (5.2 bar; 75 psi), under 31.1 °C (88.0 °F) (temperature of critical point ) and above −56.6 °C (−69.9 °F) (temperature of triple point ). [ 1 ]
Carbon dioxide liquid/vapor equilibrium thermodynamic data: Temp. °C P vap Vapor pressure kPa H liq Heat content liquid J/g H vap Heat content vapor J/g
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Carbogen, also called Meduna's Mixture after its inventor Ladislas Meduna, is a mixture of carbon dioxide and oxygen gas. Meduna's original formula was 30% CO 2 and 70% oxygen, but the term carbogen can refer to any mixture of these two gases, from 1.5% [ 1 ] to 50% [ 2 ] CO 2 .
Straight dough is a single-mix process of making bread. The dough is made from all fresh ingredients, and they are all placed together and combined in one kneading or mixing session. After mixing, a bulk fermentation [1] rest of about 1 hour or longer occurs before division. [2] It is also called the direct dough method. [3] [4]
In chemistry, a mixture is a material made up of two or more different chemical substances which can be separated by physical method. It is an impure substance made up of 2 or more elements or compounds mechanically mixed together in any proportion. [1]