四川地质学报
四川地質學報
사천지질학보
Acta Geologica Sichuan
2015年
3期
471-472,480
,共3页
无汞法%自动电位滴定法%全铁
無汞法%自動電位滴定法%全鐵
무홍법%자동전위적정법%전철
mercury-free%automatic potentiometric titration method%total iron
将无汞法与自动电位滴定相结合,用于岩矿样中全铁的测定,分析结果与GB6730.4-81方法的结果相符.采用本方法对国家一级标准物质中全铁做了准确度、精密度试验,分析结果误差均在合理允差范围内,该法准确度高、精密度高、简便、快速,适合大批样品分析.
將無汞法與自動電位滴定相結閤,用于巖礦樣中全鐵的測定,分析結果與GB6730.4-81方法的結果相符.採用本方法對國傢一級標準物質中全鐵做瞭準確度、精密度試驗,分析結果誤差均在閤理允差範圍內,該法準確度高、精密度高、簡便、快速,適閤大批樣品分析.
장무홍법여자동전위적정상결합,용우암광양중전철적측정,분석결과여GB6730.4-81방법적결과상부.채용본방법대국가일급표준물질중전철주료준학도、정밀도시험,분석결과오차균재합리윤차범위내,해법준학도고、정밀도고、간편、쾌속,괄합대비양품분석.
This paper introduces a method for the determination of total iron in Fe ores by Hg-free auto-potentiometric titrimetry. The results are in agreement with those from GB6730.4-81 method. The method has been applied to the determination of national standard reference materials. Results indicate that it has high accuracy and precision and the error can be controlled within the chemical analysis standard. The method is simple, reliable and fast for the determination of lots samples.
