摘要
采用毛细管柱气相色谱法测定空气中一甲基肼，在0-54mg／L范围内线性良好．当采样体积为100L时，最低检出质量浓度为0．55mg／L，检出限较国标方法大大降低．低、中、高3个浓度的一甲基肼标准溶液测定RSD（n=6）分别为2．9％，2。O％，1．6％，样品加样回收率为93．9％～99．9％．．该法分析速度快、灵敏度高、准确度和分离度好，适用于空气中一甲基肼的分析检测。
The monomethylhydrazine in air was determined by capillary gas chromatography （CGC）. The result showed that good linearity was obtained in range from 0-54mg/L, minimum detection concentration was 0.55mg/L at sampling 100 liters air, which was reduced greatly compared with the national standard. RSD （n=6）of low, medium and high concentration of standard solution was 2.9%, 2.0% and 1.6% separately, and the recoveries with addition of standard solution were 93.9%-99.9%.The method was rapid, sensitive, accurate, which is applicable to determine monomethylhydrazine in air.
出处
《现代仪器》
2012年第1期76-77,共2页
Modern Instruments
关键词
一甲基肼毛细管气相色谱空气
Monomethylhydrazine Capillary gas chromatography（CGC） Air
