昆明学院学报
昆明學院學報
곤명학원학보
JOURNAL OF KUNMING UNIVERSITY
2014年
3期
99-101,105
,共4页
氯离子%焊锡丝%焊剂%自动电位滴定法
氯離子%銲錫絲%銲劑%自動電位滴定法
록리자%한석사%한제%자동전위적정법
chlorine ion%solder wire%flux%auto-electric titration method
采用自动电位滴定法测定焊剂中氯离子的质量分数，对试样的处理、酸度的影响、线性范围、标准回收、精密度和准确度等进行探究．结果表明：对样品11次测定值的相对标准偏差（RSD）为2.27％～2.35％，标准回收率为99.00％～100.80％；所用方法的准确度和精密度较好，适合于焊剂中0.02％～1.00％氯离子的测定．
採用自動電位滴定法測定銲劑中氯離子的質量分數，對試樣的處理、痠度的影響、線性範圍、標準迴收、精密度和準確度等進行探究．結果錶明：對樣品11次測定值的相對標準偏差（RSD）為2.27％～2.35％，標準迴收率為99.00％～100.80％；所用方法的準確度和精密度較好，適閤于銲劑中0.02％～1.00％氯離子的測定．
채용자동전위적정법측정한제중록리자적질량분수，대시양적처리、산도적영향、선성범위、표준회수、정밀도화준학도등진행탐구．결과표명：대양품11차측정치적상대표준편차（RSD）위2.27％～2.35％，표준회수솔위99.00％～100.80％；소용방법적준학도화정밀도교호，괄합우한제중0.02％～1.00％록리자적측정．
Using Auto-electric titration method measured Cl-in flux of mass fraction,the sample processing,the effects of acidity,linear range,standard recovery,precision and accuracy were studied.The results show that:the relative standard deviation of the measured val-ue of the samples for eleven times (RSD)ranged from 2.27%-2.35%;the standard recovery rate was 99.0%-100.8%;The accuracy and precision of the method are good,and suitable for the determination of 0.02%-1.00%in the flux of chloride ion.
