Jan 20, 2021 · Like methane, neither propane nor butane has an odor of its own. However, gas producers add the agent ethyl mercaptan to the gas mixture for safety purposes. This provides a recognizable scent, which will be familiar to anyone who has ever used a gas cylinder BBQ.
Feb 27, 2018 · Ethylene gas can be used to de-green citrus and other crops (e.g., pineapples). For these particular fruits, ethylene gas only alters their appearance and does not aid in their ripening process. Ethylene gas works to remove the overlying chlorophyll (green color) to unmask the color underneath. . 464 246 558 682 720 203 202 329