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OV-17毛細(xì)管柱 工作場所空氣中苯系物的毛細(xì)管柱
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OV-17毛細(xì)管柱 工作場所空氣中苯系物的毛細(xì)管柱

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產(chǎn)品名稱:OV-17毛細(xì)管柱 工作場所空氣中苯系物的毛細(xì)管柱

產(chǎn)品型號:OV-17毛細(xì)管柱

產(chǎn)品廠商:浩瀚色譜(山東)應(yīng)用技術(shù)開發(fā)有限公司

簡單介紹

工作場所空氣中苯系物的毛細(xì)管柱,液化石油氣,二甲醚,甲縮醛,乙縮醛,乙醇,室內(nèi)空氣,焦?fàn)t煤氣,煉廠氣,天然氣,變壓器油,多氯聯(lián)苯,植物油,6號溶劑殘留,裂解進(jìn)樣器

OV-17毛細(xì)管柱 工作場所空氣中苯系物的毛細(xì)管柱的詳細(xì)介紹

工作場所空氣中苯系物的毛細(xì)管柱
工作場所空氣中苯系物的毛細(xì)管柱 詳細(xì)信息:

名稱:毛細(xì)管柱

規(guī)格:30m*0.32mm*0.5um

型號:OV-17

應(yīng)用: 工作場所空氣中苯系物的毛細(xì)管柱

滕州市浩瀚色譜儀器技術(shù)服務(wù)有限公司,優(yōu)化毛細(xì)管柱--氣相色譜法測定工作場所空氣中苯、甲苯、鄰二甲苯、間二甲苯、對二甲苯、乙苯和苯乙烯的測試條件。方法:采用程序升溫毛細(xì)管柱氣相色譜法測定,并進(jìn)行方法學(xué)試驗和干擾試驗。結(jié)果:7種苯系物在10min內(nèi)完成測定并具有較好的分離效果,共存物三氯甲烷、甲酸乙酯、乙酸酯類不干擾測定;苯系物在1.60~906.00μg/mL濃度范圍內(nèi)可獲得較好的直線方程,相關(guān)系數(shù)(r)為0.9992~0.9999;測定下限分別為:苯1.60μg/mL、甲苯1.80μg/mL、鄰二甲苯2.38μg/mL、間二甲苯2.18μg/mL、對二甲苯2.13μg/mL、乙苯2.01μg/mL和苯乙烯2.62μg/mL;解吸效率為78.7%~104.8%;精密度(RSD)為1.5%~4.3%;加標(biāo)回收率為98.9%~105.0%。結(jié)論:此方法操作簡便、重現(xiàn)性和靈敏度均符合實驗室檢測要求,且共存物三氯甲烷、甲酸乙酯、乙酸酯類不干擾測定,適用于檢測工作場所中苯系物的含量。




Capillary column of benzene series in the air of workplace
Capillary column of benzene series in the air of workplace. Details:

Name: Capillary Column

Specification: 30m*0.32mm*0.5um

Model: OV-17

Application: Capillary column of benzene series in the air of workplace

Tengzhou Haohan Chromatography Instrument Technology Service Co., Ltd. optimized the test conditions of capillary column-gas chromatography for the determination of benzene, toluene, o-xylene, m-xylene, p-xylene, ethylbenzene and styrene in the air of workplace. Method: The temperature-programmed capillary column gas chromatography was used for the determination, and the methodology test and interference test were carried out. Results: The determination of 7 kinds of benzene series was completed within 10 minutes and had a good separation effect. The coexistents chloroform, ethyl formate and acetate did not interfere with the determination; the concentration of benzene series was in the range of 1.60~906.00μg/mL A good linear equation can be obtained, and the correlation coefficient (r) is 0.9992~0.9999; the lower determination limits are: benzene 1.60μg/mL, toluene 1.80μg/mL, o-xylene 2.38μg/mL, m-xylene 2.18μg/mL , P-xylene 2.13μg/mL, ethylbenzene 2.01μg/mL and styrene 2.62μg/mL; desorption efficiency is 78.7%~104.8%; precision (RSD) is 1.5%~4.3%; spiked recovery rate is 98.9 %~105.0%. Conclusion: This method is easy to operate, reproducibility and sensitivity are in line with laboratory testing requirements, and the coexistents chloroform, ethyl formate, and acetate do not interfere with the determination. It is suitable for detecting the content of benzene series in the workplace.

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