中国建材科技
中國建材科技
중국건재과기
China Building Materials Science & Technology
2015年
5期
1-2
,共2页
李曼%郭中宝%刘璐%徐丹华%梅一飞
李曼%郭中寶%劉璐%徐丹華%梅一飛
리만%곽중보%류로%서단화%매일비
超声萃取-离子色谱法%建设用砂%氯离子
超聲萃取-離子色譜法%建設用砂%氯離子
초성췌취-리자색보법%건설용사%록리자
small volume injection ion chromatography%gypsum%sulfur trioxide
本文建立了超声萃取—离子色谱法快速准确测定建设用砂中氯离子含量,参照并优化了GB/T14684-2011中规定的前处理方法,大大缩短了试验时间,本方法的检出限为0.01 mg﹒L-1,在两个浓度水平上对方法的精密度作了考核,测得其相对标准偏差(n=6)均小于1%,用标准加入法,以实样为基体作回收试验,测得回收率在95.0%~105.2%之间。
本文建立瞭超聲萃取—離子色譜法快速準確測定建設用砂中氯離子含量,參照併優化瞭GB/T14684-2011中規定的前處理方法,大大縮短瞭試驗時間,本方法的檢齣限為0.01 mg﹒L-1,在兩箇濃度水平上對方法的精密度作瞭攷覈,測得其相對標準偏差(n=6)均小于1%,用標準加入法,以實樣為基體作迴收試驗,測得迴收率在95.0%~105.2%之間。
본문건립료초성췌취—리자색보법쾌속준학측정건설용사중록리자함량,삼조병우화료GB/T14684-2011중규정적전처리방법,대대축단료시험시간,본방법적검출한위0.01 mg﹒L-1,재량개농도수평상대방법적정밀도작료고핵,측득기상대표준편차(n=6)균소우1%,용표준가입법,이실양위기체작회수시험,측득회수솔재95.0%~105.2%지간。
This research sets up a method,which is rapid and accurate for determination the chlorine ion in Construction sand through ultrasonic extraction-ion chromatography.According to and optimized the pre treatment method in GB/T14684-2011,the test time is greatly shortened,with detection limit (S/N=3)of 0.01 mg﹒L-1,Precision of the method was tested at 2 concentration levels,value of RSD′s(n=6)found were less than 1%.Values of recovery found by standard addition method were in the range from 95.0%~105.2%.