用无二氧化碳水代替去离子除氧水测定硫化物

Determination of Sulfide with None Carbon Dioxide Contained Water Replacing Deionizing and Deoxidizing Water

关键词:  亚甲基蓝光度法 硫化物 水质硫化物 水质监测

Key words:  methylene blue spectrophotometric method, sulfide, deionizing and deoxidizing water, noncarbon dioxide contained water,

摘要:

在新颁国标中，采用亚甲基蓝光度法测定水和废水中硫化物时，要求用去离子除氧水做为实验用水。在日常工作中，用无二氧化碳水代替去离子除氧水，二者的空白吸光度和标准由线无显著性差异，且其精密度均小于５％，准确度在９３％￣１０３％之间。

Abstract:

The deionizing and deoxidizing water is required by the methylene blue spectrophotometric method in the new national standard to analyze sulfide in water and waste water. The non-carbon dioxide contained water and deionizing and deoxidizing water are used