HTPB中金属杂质的微波消解–电感耦合等离子体发射光谱测定法  

Microwave digestion-inductively coupled plasma emission spectrometry determination method of metal impurities in HTPB

作　　者：杜明 王苗 黄瑞 张盼盼 刘冉 张少民 Du Ming;Wang Miao;Huang Rui;Zhang Panpan;Liu Ran;Zhang Shaomin(Liming Research&Design Institute of Chemical Industry Co.,Ltd.,Luoyang 471000,China)

机构地区：[1]黎明化工研究设计院有限责任公司,河南洛阳471000

出　　处：《化学推进剂与高分子材料》2021年第4期69-73,共5页Chemical Propellants & Polymeric Materials

摘　　要：建立了阴离子聚合法制备的端羟基聚丁二烯(HTPB)中杂质金属元素的微波消解–电感耦合等离子体发射光谱测定法,通过实验确定了前处理方法,并对仪器工作参数进行了优化。实验结果表明,方法检出限分别为0.004 mg/kg(锂)、2.030 mg/kg(铝)、1.870 mg/kg(铁)、1.010 mg/kg(镍)、1.990 mg/kg(钾),加标回收率为96.0%~106.0%,相对标准偏差为2.47%~13.50%。该法快速、准确,可满足检测需求。The microwave digestion-inductively coupled plasma emission spectrometry determination method of the impurity metal elements in the hydroxyl-terminated polybutadiene(HTPB)prepared by using the anionic polymerization method was established.The pretreatment method was confirmed by the experiments,and the working parameters of the instrument were optimized.The experimental results show that the detection limits of the method are 0.004 mg/kg(lithium),2.030 mg/kg(aluminum),1.870 mg/kg(iron),1.010 mg/kg(nickel),1.990 mg/kg(potassium),respectively,the standard recovery rate is 96.0%~106.0%,the relative standard deviation is 2.47%~13.50%.This method is fast and accurate,the requirements of detection can be met.

关 键 词：微波消解–电感耦合等离子体原子发射光谱法 端羟基聚丁二烯 杂质元素 

分 类 号：TQ333.2[化学工程—橡胶工业] O657.31[理学—分析化学]