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通風(fēng)柜,超凈臺,生物安全柜的區別

更新時(shí)間:2015-07-01      點(diǎn)擊次數:1417

   通風(fēng)柜,超凈臺,生物安全柜這三種都是實(shí)驗室常見(jiàn)的設備,雖然他們的結構與外型相似但是功能與用途則*不同!

   通風(fēng)柜主要是用于化學(xué)試驗過(guò)程中清除有腐蝕性氣體和有毒煙霧設計的,并沒(méi)有清除微生物的能力,放置在通風(fēng)柜中的樣品會(huì )散播到柜外,污染實(shí)驗室!

   超凈臺是為了保護實(shí)驗對象或產(chǎn)品設計的,通過(guò)吹過(guò)工作區域的垂直流和水平流的風(fēng) 來(lái)避免試驗品受到外界物質(zhì)的污染。由于風(fēng)會(huì )吹向工作人員所以只適用于非病原微生物的分離,接種。

   生物安全柜則可用于帶感染性的試驗材料,為了保護工作人員和實(shí)驗室環(huán)境 生物安全柜的工作區域處于負壓狀態(tài) 會(huì )將有感染性的物質(zhì)吸入柜內 通過(guò)自帶的過(guò)濾器過(guò)濾!

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