When exposed to moist air, Na₂S and its hydrates emit hydrogen sulfide, which smells like rotten eggs [1]. Sodium sulfide, anhydrous is a yellow to brick red crystalline mass or fused solid. If exposed to moist air, it absorbs moisture from the air [2], and it is liable to ...
Hydrogen sulfide gas (H2S) is colorless and smells much like rotten eggs. It can be detected by the human nose at concentrations between .13 and 100 parts per million (ppm). At levels above 100 ppm and with exposures from three to 15 minutes, there is a paralysis of the olfactory nerves...
In January 2013, the Lubrizol factory was responsible for a giant leak of the gas mercaptan, which smells like cabbage or rotten eggs and is often added to natural gas to alert people in case of leaks. A cloud of the gas blew all the way to Paris and across the Channel into southern ...
[中考英语下学期中考模拟] ①Dr. Nate Lewis patiently adds achemicalto a machine in his laboratory. Thechemicalsmells a little bit like rotten (变质的) fish. We would know that because we have our noses to identify (识别) it, Dr, Lewis, however, wonders if his machine can smell thechemic...
When exposed to moist air, Na₂S and its hydrates emit hydrogen sulfide, which smells like rotten eggs [1]. Sodium sulfide, anhydrous is a yellow to brick red crystalline mass or fused solid. If exposed to moist air, it absorbs moisture from the air [2], and it is liable to ...