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. 在新頒國標中，採用亞甲基藍光度法測定水和廢水中硫化物時，要求用去離子除氧水做為實驗用水。
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. 在新頒國標中，採用亞甲基藍光度法測定水和廢水中硫化物時，要求用去離子除氧水做為實驗用水。
