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当前位置: 首页 > 文章 > 洗衣粉中磷含量的测定 安徽农业科学 2009,37 (15) 46-47
Position: Home > Articles > Determination on Phosphorus Content in Detergent Journal of Anhui Agricultural Sciences 2009,37 (15) 46-47

洗衣粉中磷含量的测定

作  者：
吴艳红;周福会;高智席
单  位：
遵义师范学院化学系
关键词：
洗衣粉;磷含量;分光光度法
摘  要：
[目的]为低磷洗衣粉的生产及应用提供参考资料。[方法]以白猫、雕牌、碧浪、立白、奥妙、超能、奇强、汰渍8种常用洗衣粉为材料配制样品液,以抗坏血酸作显色剂,采用分光光度法测定样品液的吸光度,根据磷标准曲线确定各品牌洗衣粉中的磷含量。[结果]建立的磷标准曲线方程为:A=0.289 3C+0.005 3(R2=0.998 7),线性关系良好;所测样品中超能洗衣粉含磷量最高,为21.463 0%,其次为奇强洗衣粉,含磷量为17.511 3%,汰渍洗衣粉含磷量最低,为0.025 0%;37.5%的供试洗衣粉中磷含量超过国家规定标准(1.1%)。[结论]超能和奇强洗衣粉中磷含量严重超标。
译  名：
Determination on Phosphorus Content in Detergent
作  者：
WU Yan-hong et al(Chemistry Department of Zunyi Normal College,Zunyi,Guizhou 563002)
关键词：
Detergent;Phosphorus content;Spectrophotometry
摘  要：
[Objective] The study was to provide the reference for the production and application of detergent with low phosphorus content.[Method] The sample solutions of detergent were prepared with the materials of 8 kinds of detergent such as Baimao,Diaopai,Bilang,Libai,Aomiao,Chaoneng,Qiqiang and Taizi,with ascorbic acid as the chromogenic reagent,the absorbance of sample solutions were detected,and the phosphorus content in detergent were determined according to the standard curve of phosphorus.[Result] The established standard curve of phosphorus was A=0.289 3C+0.005 3(R2=0.998 7),its linear relationship was good.Among the samples of detergent,the phosphorus content in Chaoneng was the highest,being 21.463 0%,the following was that in Qiqiang,and that in Taizi was the lowest,being 0.025 0%.The phosphorus content in 37.5% tested detergent was above the state requirement standard(1.1%).[Conclusion] Phosphorus contents in Chaoneng and Qiqiang detergent were seriously exceeded the standards.

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