两种铝离子质量浓度测定方法的比较
량충려리자질량농도측정방법적비교
A Comparison of Two Methods for Determination of Al3+
  • 万方数据
    湿法冶金 습법야금
    HYDROMETALLURGY OF CHINA
    2015年 4期 347-350 ,共4页

    张慧妍%柳杰%周丽华%陈强%刘杰%苑海涛%王扬%赵波%朱亚利

    장혜연%류걸%주려화%진강%류걸%원해도%왕양%조파%주아리

    铝离子%二甲酚橙%铬天青S%方法%比较 鋁離子%二甲酚橙%鉻天青S%方法%比較
    려리자%이갑분등%락천청S%방법%비교
    Al3+%xylenol orange%chrome azurol S%method%comparison
    对比了Al‐XO、Al‐CAS两种铝离子质量浓度测定方法，优化了两种方法的测定条件，建立了标准曲线，同时比较了线性范围、灵敏度、检出限等，并将两种方法用于实际水样的测定。结果表明：Al‐CAS法灵敏度高，但选择性不好；Al‐XO法线性范围宽、选择性好、操作简便、稳定性好，灵敏度和准确度均能满足要求，是准确测定环境中痕量A l3＋的较好方法。
    대비료Al‐XO、Al‐CAS량충려리자질량농도측정방법，우화료량충방법적측정조건，건립료표준곡선，동시비교료선성범위、령민도、검출한등，병장량충방법용우실제수양적측정。결과표명：Al‐CAS법령민도고，단선택성불호；Al‐XO법선성범위관、선택성호、조작간편、은정성호，령민도화준학도균능만족요구，시준학측정배경중흔량A l3＋적교호방법。
    The two kinds of determination methods for Al3+ were compared .The determination conditions were optimized ,and standard curve were established ,and the linear range ,sensitivity and limits of detection(LOD) were compared for the two methods .The two methods were applied to determine water samples .The results show that the Al‐CAS method has a good sensitivity ,but the selectivity is not so good .Whereas the Al‐XO method has wide linear range ,good selectivity and stability .The sensitivity and accuracy of Al‐XO method can satisfy analysis requests and is a better analytical method for accurate determination of trace Al3+ in environment water samples .
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