电感耦合等离子体发射光谱法测定纺织品中总硼
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摘要
建立了微波消解-电感耦合等离子体发射光谱法(ICP-OES)测定纺织品中总硼的分析方法。纺织样品经HNO_3-H_2O_2微波消解,以钇元素作为内标元素,以249.772nm波长作为硼的分析线,采用ICP-OES法进行测定。实验结果表明,硼的质量浓度在0.01~0.20mg/L范围内与发射强度比值呈线性关系,方法的定量限为0.8mg/kg,在0.8、1.6、8.0mg/kg添加水平下的回收率为80.4%~104.7%,相对标准偏差为2.4%~9.8%。该方法灵敏度高,定量准确可靠,能够满足纺织品中总硼含量的检测要求。
A method for determination of total boron in textiles by microwave digestion-inductively coupled plasma optical emission spectrometry(ICP-OES)was established.The samples were subjected to microwave digestion with HNO_3+H_2O_2.Quantitative analysis of boron was performed on the ICP-OES with the spectral line of 249.772 nm as analysis line using yttrium as internal standard.Linear relationship between emission intensity rate and mass concentration of boron was obtained in the range of 0.01-0.20 mg/L with limit of quantification(LOQ)of 0.8 mg/kg.The average recoveris were in the range of 80.4%-104.7% at the spiked levels of 0.8,1.6 and 8.0 mg/kg with the relative standard deviations(n=7)of 2.4% to 9.8%.The results show that the developed method is sesitive and accurate for the determination of total boron in textiles.
A method for determination of total boron in textiles by microwave digestion-inductively coupled plasma optical emission spectrometry(ICP-OES)was established.The samples were subjected to microwave digestion with HNO_3+H_2O_2.Quantitative analysis of boron was performed on the ICP-OES with the spectral line of 249.772 nm as analysis line using yttrium as internal standard.Linear relationship between emission intensity rate and mass concentration of boron was obtained in the range of 0.01-0.20 mg/L with limit of quantification(LOQ)of 0.8 mg/kg.The average recoveris were in the range of 80.4%-104.7% at the spiked levels of 0.8,1.6 and 8.0 mg/kg with the relative standard deviations(n=7)of 2.4% to 9.8%.The results show that the developed method is sesitive and accurate for the determination of total boron in textiles.
引文
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[2]LIU T,HAO Z W,ZHANG C.Chinese Journal of Analytical Chemistry(刘甜,郝志伟,张超.分析化学),2010,38(2):300.
[3]Li Z J,Cui Z W,Tang J.Food Chemistry,2006,94(2):310.
[4]HAO C H,LENG T H.Flavour Fragrance Cosmetics(郝春慧,冷桃花.香料香精化妆品),2016,(3):44.
[5]ZHANG J G,LIU J J,SUN H L.The Beverage Industry(张激光,刘晶晶,孙海玲.饮料工业),2010,13(1):40.
[6]Ramanjaneyulu P S,Sayi Y S,Ramakumar K L.Indian Journal of Chemical Technology,2010,17(6):468.
[7]Uesawa K,Uehara N,Ito K,et al.Bunseki Kagaku,2001,50(12):867.
[8]Altunay N,Gurkan R.Food Additives and Contaminants Part a-Chemistry Analysis Control Exposure&Risk Assessment,2016,33(2):271.
[9]DAI Q,LIN X N,WU Y Y,et al.Physical Testing and Chemical Analysis Part B:Chemical Analysis(戴骐,林晓娜,吴艳燕,等.理化检验-化学分册),2013,49(4):394.
[10]WANG M R,YUAN Y M,PANG J.Journal of Analytical Science(王明锐,袁友明,庞静.分析科学学报),2003,19(5):464.
[11]Krishna M V B,Chandrasekaran K,Thangavel S,et al.Atomic Spectroscopy,2014,35(3):109.
[12]Dai S F,Song W J,Zhao L,et al.Energy&Fuels,2014,28(7):4517.
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[14]LIN L,CHAO B S,CHAO H,et al.Chinese Journal of Health Laboratory Technology(林立,曹宝森,曹红,等.中国卫生检验杂志),2006,16(11):1337.
[15]YU J,ZHANG Y Z,JIANG T.Shanghai Measurementand Testing(虞婧,张元璋,江涛.上海计量测试),2013,(5):13.
[16]ZHANG X H,WANG Y F,FU H M,et al.Journal of Tianjin Normal University(Natural Science Edition)(张绪宏,王彦芬,傅惠敏,等.天津师范大学学报(自然科学版)),2007,27(3):3.
[17]CHEN X K,WEI W N,WANG L,et al.Journal of Textile Standards and Quality(陈小轲,魏婉妮,王麟,等.纺织检测与标准),2016,(2):8.
[18]YANG G,WANG R.Liaoning Chemical Industry(杨光,王茹.辽宁化工),2015,44(5):623.