|关键词: 饮用水源水 水合肼 二甲氨基苯甲醛分光光度法
|Notes and Solving Methods for the Determination of Hydrazine Hydrate in Drinking Source Water
|The determination of Hydrazine Hydrate in Drinking Source Water using p-Dimethylamino benzaldehyde spectrophotometric method of the national standard (GB/T5750.8-2006) have been studied in depth. At the same time, the notes and solutions have been specified during the entire process of hydrazine hydrate determination. On the basis of standard analytical methods, we chose the qualified, latest produced and analytical-above reagents to regulate the acidity of water samples to 1mol/L. The interference factors of turbidity with color were corrected and eliminated correctly. The amino acid were used to remove the interference of nitrite. The data processing of the results were analysed accurately. The provisions of the program for the results were complied strictly. Through the above method, we can ensure the precision and accuracy for the high-volume, complex composition and unknown water samples of the hydrazine hydrate determination.
|Key words: drinking source water hydrazine hydrate p-Dimethylamino benzaldehyde spectrophotometric method