The phosphine and arsine absorb the ultraviolet light much more strongly than does silane, causing them to be deposited out on the walls of the container. 磷化氢和砷化三氢对紫外光的吸收比硅烷强烈得多,因此,它们就沉积在容器的器壁上。
arsine
[ noun ] a poisonous colorless flammable gas used in organic synthesis and to dope transistors and as a poison gas in warfare <noun.substance>
Arsine \Ar"sine\ ([aum]r"s[i^]n or -s[=e]n), n. [From {Arsenic}.] (Chem.) A compound of arsenic and hydrogen, {AsH3}, a colorless and exceedingly poisonous gas, having an odor like garlic; arseniureted hydrogen. ※ ||
Some companies, however, note that arsine is used in a vacuum chamber, which minimizes worker exposure.