二氧化碳中痕量苯的氣相色譜分析,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，增塑劑，塑化劑，消毒劑，氨水

二氧化碳中痕量苯的氣相色譜分析
二氧化碳中痕量苯的氣相色譜分析 詳細(xì)信息：

隨著經(jīng)濟(jì)的發(fā)展和科技的進(jìn)步,"食品添加劑液體二氧化碳"(以下簡(jiǎn)稱食品CO2)的供求日趨緊張.按照美國(guó)食品CO2的人均消費(fèi)量,我國(guó)食品CO2的年需求量可達(dá)10000 kt.食品CO2中的微量苯嚴(yán)重影響產(chǎn)品質(zhì)量,國(guó)際食品CO2標(biāo)準(zhǔn)中對(duì)苯的含量有嚴(yán)格要求:≤0.02×10-6(VN).目前國(guó)內(nèi)的食品CO2標(biāo)準(zhǔn)中尚無(wú)此項(xiàng)技術(shù)要求,預(yù)計(jì)2005年頒發(fā)的新版食品CO2國(guó)標(biāo)中將有規(guī)定.食品CO2中微量苯的分析中我國(guó)尚無(wú)該類國(guó)家級(jí)標(biāo)準(zhǔn)物質(zhì),因此亟待在此方面進(jìn)行研究和開(kāi)發(fā),以利于量值傳遞.

針對(duì)20ppb的痕量苯的測(cè)定，傳統(tǒng)氫火焰檢測(cè)器根本無(wú)法測(cè)定，浩瀚色譜（山東）應(yīng)用技術(shù)開(kāi)發(fā)有限公司，，經(jīng)過(guò)科研人員的不懈努力，成功研制出二氧化碳中痕量苯測(cè)定的高靈敏度專用氣相色譜儀FID-GC，樣品直接進(jìn)樣，無(wú)需富集，即可測(cè)定0.02ppm的苯，歡迎咨詢洽談。


二氧化碳中痕量苯的氣相色譜分析  測(cè)試譜圖：




Gas Chromatographic Analysis of Trace Benzene in Carbon Dioxide
Gas Chromatographic Analysis of Trace Benzene in Carbon Dioxide Details:

With economic development and technological progress, the supply and demand of "food additive liquid carbon dioxide" (hereinafter referred to as food CO2) has become increasingly tight. According to the per capita consumption of food CO2 in the United States, the annual demand for food CO2 in my country can reach 10,000 kt. Food CO2 The trace amount of benzene in the benzene seriously affects the quality of the product. The international food CO2 standard has strict requirements for the content of benzene: ≤0.02×10-6 (VN). At present, there is no such technical requirement in the domestic food CO2 standard, and it is expected to be issued in 2005 There will be provisions in the new version of the food CO2 national standard. There is no such national standard material in the analysis of trace benzene in food CO2 in my country. Therefore, research and development in this area are urgently needed to facilitate the transfer of quantity value.

For the determination of trace benzene at 20ppb, the traditional hydrogen flame detector can not determine it. Haohan Chromatography (Shandong) Applied Technology Development Co., Ltd. keeps pace with the times and through the unremitting efforts of scientific researchers, successfully developed the determination of trace benzene in carbon dioxide. The high-sensitivity special gas chromatograph FID-GC, the sample is directly injected, and the benzene can be determined at 0.02ppm without enrichment. Welcome to consult and negotiate.


Gas Chromatographic Analysis of Trace Benzene in Carbon Dioxide Test Spectra: