List of highly toxic gases - Wikipedia
Among the best known toxic gases are carbon monoxide, chlorine, nitrogen dioxide and phosgene. Highly Toxic: a gas that has a LC 50 in air of 200 ppm or less. [2] NFPA 704: Materials that, under emergency conditions, can cause serious or permanent injury are given a Health Hazard rating of 3.
Poison gas - Simple English Wikipedia, the free encyclopedia
Poison gas is any gas that is a poison. There are many different poison gases and each has own properties. Many toxic liquids are also evaporate easily at normal temperatures and their vapors are poison gas.
Poison gas | military science | Britannica - Encyclopedia Britannica
Some poison gases, such as chlorine and hydrogen cyanide, enter the victim’s lungs during inhalation. On the other hand, nerve agent droplets might enter through the skin into the bloodstream and nervous system. Still other chemicals …
Chemical weapons in World War I - Wikipedia
The use of poison gas by all major belligerents throughout World War I constituted war crimes as its use violated the 1899 Hague Declaration Concerning Asphyxiating Gases and the 1907 Hague Convention on Land Warfare, which prohibited the use …
5 Types of Toxic Gas & Their Health Effects | GDS Corp
2020年4月3日 · Every manufacturing industry, from oil and gas to chemical production, deals with various types of toxic gas. Maintaining healthy levels of these dangerous gases is essential to protect the wellbeing of employees and warehouse workers.
First Usage of Poison Gas - National WWI Museum and Memorial
On April 22, 1915 at 5 p.m. a wave of asphyxiating gas released from cylinders embedded in the ground by German specialist troops smothered the Allied line on the northern end of the Ypres salient, causing panic and a struggle to survive a new form of weapon.
Poison gas Definition & Meaning - Merriam-Webster
2025年1月6日 · The meaning of POISON GAS is a poisonous gas or a liquid or a solid giving off poisonous vapors designed (as in chemical warfare) to kill, injure, or disable by inhalation or contact.
How deadly was the poison gas of WW1? - BBC News
2015年1月30日 · Gas terrified soldiers in WW1, but it killed comparatively few of them, at least on the Western Front. So why was it the one WW1 weapon to be banned?
Introducing Poison Gas - HistoryNet
2017年7月5日 · Thirty years before the first nuclear bomb fell on Hiroshima, Japan, however, science made one of its most consequential contributions to 20th century warfare with the introduction of poison gas. The concept of chemical warfare long predated World War I.
poison gas - Infoplease
poison gas, any of various gases sometimes used in warfare or riot control because of their poisonous or corrosive nature. These gases may be roughly grouped according to the portal of entry into the body and their physiological effects.