亚洲欧洲日韩中文字幕,久久99精品国产自在现线小黄鸭,女教师巨大乳孔中文字幕,亚洲日韩精品欧美一区二区一

北京冠測(cè)儀器經(jīng)過(guò)多年發(fā)展，以其良好的產(chǎn)品品質(zhì)和的服務(wù)，贏得廣大客戶的支持與信賴。成功推出的活性炭采樣管管系列，更受到廣大客戶的歡迎

活性炭采樣管,溶劑解吸型（即二硫化碳解吸型）和熱解吸型兩種
 
熱解析型： 內(nèi)徑4mm 外徑6mm 填充物質(zhì)量100mg
 
溶劑解析型：內(nèi)徑4mm 外徑6mm 填充物質(zhì)量150mg
 
用途:環(huán)境監(jiān)測(cè)。采集苯系物
 Activated carbon sample tube, solvent desorption model (i.e., carbon disulfide desorption type) and thermal desorption type two kinds
Thermal analytical: inner diameter 4 mm outside diameter 6 mm padding quality 100 mg
Solvent analytical: inner diameter 4 mm outside diameter 6 mm padding quality 150 mg
Purpose: the environmental monitoring. Gathering benzene content
We have other absorption tube sampling tube: TVOC sampling tube, silicone sample tube, bottle, u-shaped porous glass panels SO2 absorption bottle, large bubbles, small bubbles tube, flue absorption bottle, large impact absorption of bottles, nitrogen absorption bottle, monteggia washing bottle, impact absorption of bottles, and so on