测定铜精矿中砷的标定溶液以Na2S2O3替代As2O3的探讨
Discussion on the Use of Na2S2O3 instead of As2O3 in the Calibration Solution for Arsenic Determination in Copper Concentrate
李晓娟1
作者信息
- 1. 中国有色集团 抚顺红透山矿业有限公司,辽宁 抚顺 113321
- 折叠
摘要
采用 Na2S2O3 替代 As2O3 来标定溴酸钾标准溶液化验方法,经过实验研究,测得的化验数据稳定,均在允许差范围内.硫代硫酸钠试剂较三氧化二砷价格低,毒性小,使用领取方便,标定的方法快速简单,同时解决了三氧化二砷剧毒带来的困扰.
Abstract
Na2S2O3 was used instead of As2O3 to calibrate the potassium bromate standard solution assay method.After experimental research,the measured assay data were stable and within the allowable deviation range.Sodium thiosulfate reagent is cheaper,less toxic,easier to use and obtain,and has a fast and simple calibration method compared to arsenic trioxide.It also solves the problem caused by the high toxicity of arsenic trioxide.
关键词
标定溴酸钾标准溶液/硫代硫酸钠/三氧化二砷Key words
calibration of potassium bromate standard solution/sodium thiosulfate/arsenic trioxide引用本文复制引用
出版年
2024
NETL
NSTL
万方数据