1) halogeuated carborxylic acid
卤代羧酸
2) monohalogen carboxylic ester
一卤代羧酸酯
1.
The O-alkylation of 2,5-dimethylphenol with 1,3-dihalogen- propane and some monohalogen carboxylic esters are studied.
研究了2,5-二甲苯酚与1,3-二卤代丙烷及一卤代羧酸酯的O-烷基化反应。
3) haloacetic acid
卤代乙酸
1.
A novel method was developed for the simultaneous determination of nine haloacetic acids (HAAs) (mono, di, trichloroacetic acids; mono, di, tribromoacetic acids; bromochloroacetic acid, dibromochloroacetic acid, and bromodichloroacetic acid) and six anions (fluoride, chloride, nitrite, nitrate, phosphate and sulfate) in drinking water by ion chromatography with large volume direct injection.
建立了一种采用大体积直接进样离子色谱测定饮用水中9种卤代乙酸和6种阴离子的新方法。
4) haloacetic acids
卤代乙酸
1.
A modified analytical method of haloacetic acids in drink ing water was presented.
本文在研究了分析饮用水中的三种卤代乙酸 (HAA3)〔一氯乙酸 (MCCAA)、二氯乙酸 (DCAA)、三氯乙酸(TCAA)〕液 -液萃取衍生气相色谱法的多种条件影响后 ,提出了在酸性条件下 ,以含 1,2 -二溴丙烷 (1,2 -DBP)内标的甲基叔丁基醚 (MtBE)萃取 ,萃取液用 10 %硫酸甲醇溶液衍生 2h ,再用饱和碳酸钠中和 ,然后通过气相色谱 (常用柱HP -5 ,电子捕获检测器ECD)分离检测。
2.
Three haloacetic acids,three haloid oxyacids and F-,Cl-,NO-_3,SO 2- _4 ions in drinking water were determined by ion chromatography.
采用离子色谱法对饮用水中的3种卤代乙酸、3种卤素含氧酸和F-、Cl-、NO3-、SO42-进行了检测,该方法对饮用水中6种消毒副产物的最低检测限为2。
3.
Five haloacetic acids (HAAs) were found in the water.
调查了北京市饮用水厂源水及出厂水中消毒副产物溴酸盐、卤代乙酸及典型污染物高氯酸盐的污染现状 ,研究了其来源及环境影响因素 。
6) dihalogen acid
二卤代酸
补充资料：油卤卤
1.形容汤里油多的样子。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条