安捷伦4890玻璃柱Chromosorb 101 HP 60～80 顶空-气相色谱法快速测定冰淇淋中环氧乙烷残留

顶空-气相色谱法快速测定冰淇淋中环氧乙烷残留，液化石油气，二甲醚，甲缩醛，乙缩醛，乙醇，室内空气，焦炉煤气，炼厂气，天然气，变压器油，多氯联苯，植物油，增塑剂，塑化剂

顶空-气相色谱法快速测定冰淇淋中环氧乙烷残留
顶空-气相色谱法快速测定冰淇淋中环氧乙烷残留 详细信息：

浩瀚色谱（山东）应用技术开发有限公司建立顶空-气相色谱法快速测定冰淇淋中环氧乙烷残留量的方法。方法：制备冰淇淋样品待测液，自动顶空进样器进样，连接Agilent 4890气相色谱仪，采用Chromosorb 101  HP 60～80目；玻璃柱长2m*3 mm、程序升温进行组分分离，FID检测器检测，外标法定量。结果：在0.1～5.0 mg/L，环氧乙烷相关系数大于0.999，加标回收率为85.7%～100.8%，RSD为1.2%～2.6%。结论：该方法有效减少了操作过程中造成的环氧乙烷逃逸，且目标峰附近无干扰，回收率和重复性均满足需求，可用于检测冰淇淋中的环氧乙烷。


Rapid Determination of Ethylene Oxide Residues in Ice Cream by Headspace-Gas Chromatography
Rapid Determination of Ethylene Oxide Residues in Ice Cream by Headspace-Gas Chromatography Details:

Haohan Chromatography (Shandong) Application Technology Development Co., Ltd. established a method for the rapid determination of ethylene oxide residues in ice cream by headspace-gas chromatography. Method: Prepare the ice cream sample to be tested, inject the sample into an automatic headspace sampler, connect to an Agilent 4890 gas chromatograph, use Chromosorb 101 HP 60-80 mesh; glass column length 2m*3 mm, temperature programmed for component separation, FID Detector detection, external standard method for quantification. RESULTS: At 0.1～5.0 mg/L, the correlation coefficient of ethylene oxide was greater than 0.999, the recovery of standard addition was 85.7%～100.8%, and the RSD was 1.2%～2.6%. Conclusion: The method effectively reduces the escape of ethylene oxide caused by the operation process, and there is no interference near the target peak, and the recovery and repeatability meet the requirements. It can be used for the detection of ethylene oxide in ice cream.