负压吸风罩常用的主要有三类。一类是用于仪器设备运行时产生的有害气体的排风处理,如原子吸收(AAS)、等离子发射光谱(ICP)、等离子发射光谱质谱(ICP-MS)、荧光分析仪等等,该类负压罩亦称仪器吸风罩,常以优质不锈钢制造,并带有风阀控制。第二类主要用于实验产生的局部少量有害气体的排放,或实验室用到的少量有害溶剂的蒸发(如HPLC流动相)外排,则常采用可以多角度转动可上下调节的万向抽气罩。第三类则是用于生物安全实验室,为防止大型离心机等产生的气溶胶污染,该类负压罩亦为不锈钢制造,但常带有HEPA过滤系统和紫外线杀菌系统。
Kehua came into existence as a professional lab engineering company in 1996 in Hangzhou, China. As a company focusing on consulting, designing, manufacturing and assembling, Kehua is well-known by its high quality and professional design in its business fields, which wins the trust among lots of leading companies internationally.
Hangzhou Kehua lab. Ltd.
362 Tongyun Road
Hangzhou, Zhejiang
China
311112
Phone: +86 0571-85452245
Fax:0571-88777639
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