低、微碳铬铁中磷的快速分析方法研究  

Study on the fast analytical method for the determination of phosphorus content in low & micro carbon ferrochromium

作　　者：胡玛丽[1] 杨芸[1] 曹宏燕[1] 

机构地区：[1]武钢技术中心检测试验研究所,湖北武汉430080

出　　处：《冶金分析》2003年第2期57-59,共3页Metallurgical Analysis

摘　　要：研究了磷钼杂多蓝光度法测定低、微碳铬铁中磷含量的分析方法。采取盐酸-H2O2快速溶解样品,在选定的实验条件下,吸光度与磷的质量浓度在0～1 00μg/mL范围内呈线性关系,相关系数(r)为0 9997。方法快速、操作简便,用于低、微碳铬铁日常生产及标样定值分析中磷含量的测定,获得了满意的结果。A molybdenum blue photometric method for the determination of phosphorus content in low & micro carbon ferrochromium was studiedThe samples were dissolved rapidly by hydrochloric acid and hydrogen peroxide.The absorbance was proportional to the concentration of phosphorus in the range of 0-100μg/mL under the optimal experimental condition,and the correlation coefficient(r)was 09997The proposed method was fast and simple,and has been applied to determine phosphorus content in low & micro carbon ferrochromium in the routine determination and the certified value analysis of national chemical standard certified materials with satisfactory results

关 键 词：微碳铬铁 低碳铬铁 磷 分析方法 分光光度法 

分 类 号：TG115.3[金属学及工艺—物理冶金]