是一种用来做氧化剂的试剂耗材，可以将氧化成或者将氧化成水。应用美国加联稀土氧化铜有很多种，其中501-170-HAZ主用应用于美国LECO，美国加联，张：一八八一零二七九七零八
Rare earth oxide is a kind of used for oxidizing reagent consumables, carbon monoxide can be oxidized to carbon dioxide hydrogen or oxygen into water. Application of the United States and there are many kinds of rare earth oxide, of which 501-170, the main use analyzer LECO elements used in the United States,​