安阳工学院学报
安暘工學院學報
안양공학원학보
JOURNAL OF ANYANG INSTITUTE OF TECHNOLOGY
2012年
4期
25-27
,共3页
亚甲基蓝%分光光度法%硫化物%测定方法
亞甲基藍%分光光度法%硫化物%測定方法
아갑기람%분광광도법%류화물%측정방법
methylene blue%spectrophotometric method%sulfide%determination
对亚甲基蓝分光光度法测定硫化物（GB/T16489-1996）过程中容易忽视的环节,如标准溶液的稳定性、显色条件等有可能对测定产生影响的因素进行了探讨,规范了测试中的操作技术,提高了测试的准确度和精密度。该方法的线性范围为0.0~0.8mg/L,检出限为0.008 mg/L,回收率为93%~101%,相对标准偏差为0.8%~4.3%。
對亞甲基藍分光光度法測定硫化物（GB/T16489-1996）過程中容易忽視的環節,如標準溶液的穩定性、顯色條件等有可能對測定產生影響的因素進行瞭探討,規範瞭測試中的操作技術,提高瞭測試的準確度和精密度。該方法的線性範圍為0.0~0.8mg/L,檢齣限為0.008 mg/L,迴收率為93%~101%,相對標準偏差為0.8%~4.3%。
대아갑기람분광광도법측정류화물（GB/T16489-1996）과정중용역홀시적배절,여표준용액적은정성、현색조건등유가능대측정산생영향적인소진행료탐토,규범료측시중적조작기술,제고료측시적준학도화정밀도。해방법적선성범위위0.0~0.8mg/L,검출한위0.008 mg/L,회수솔위93%~101%,상대표준편차위0.8%~4.3%。
Some easily ignored procedures for the determination of sulfides in water using methylene blue spectrophotometric method were studied in this paper,such as the stability of the standard solution,the color development conditions,as well as other factors which could have an effect on the determination of sulfides.The operating technique was standardized,accuracy and precision were improved.The method of linear range were 0.0~0.8mg/L,the detection limit was 0.008 mg/L,the rate of recovery were 93%~101%,and RSD were 0.8%~4.3%.
