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The Sarco pod (also known as Pegasos, and sometimes referred to as a "suicide pod" [1]) is a euthanasia device or machine consisting of a 3D-printed detachable capsule mounted on a stand that contains a canister of liquid nitrogen to die by suicide through inert gas asphyxiation. "Sarco" is short for "sarcophagus".
Nitschke's organisation sells suicide kits that contain nitrogen tanks and regulators. [19] He promotes the use of nitrogen and suicide bags with lectures and films, such as Doing it with Betty – in which an elderly woman describes how to make a plastic 'exit' bag, [20] [21] and with published materials such as workshop handbooks. [22]
Nitschke states that nitrogen is also more physiologically inert than helium, with less chance of adverse reaction, [6] and that loss of consciousness is quick with death following within minutes. [6] Unlike helium cylinders, nitrogen cylinders can be refilled in the event of leakage and nitrogen gas can't be detected during an autopsy. [11] [12]
Nitrogen generators are used in hypoxic air fire prevention systems to produce air with a low oxygen content which will suppress a fire. To prevent corrosion, nitrogen generators are used in place of or in conjunction with a compressed air system to provide supervisory nitrogen gas in place of air for dry pipe and pre-action fire sprinkler systems.
A whipped cream charger (colloquially called a whippet, nos or nang when used recreationally [1]) is a steel cylinder or cartridge filled with nitrous oxide (N 2 O) that is used as a whipping agent in whipped cream. The narrow end of a charger has a foil covering that is broken to release the gas.
Gas blending for scuba diving (or gas mixing) is the filling of diving cylinders with non-air breathing gases such as nitrox, trimix and heliox. Use of these gases is generally intended to improve overall safety of the planned dive, by reducing the risk of decompression sickness and/or nitrogen narcosis , and may improve ease of breathing .
Larger gas molecules have a lower diffusion coefficient. The membrane gas separation equipment typically pumps gas into the membrane module and the targeted gases are separated based on difference in diffusivity and solubility. [17] Product gas can be delivered directly to the user through a suitable breathing apparatus.
An open circuit SCBA typically has three main components: a high-pressure gas storage cylinder, (e.g., 2,216 to 5,500 psi (15,280 to 37,920 kPa), about 150 to 374 atmospheres), a pressure regulator, and a respiratory interface, which may be a mouthpiece, half mask or full-face mask, assembled and mounted on a framed carrying harness.
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