phthalic acid

Experimental results indicated that the optimum conditions of esterification reaction are the molar ratio of o-phthalic acid, n-butyl alcohol and sodium hydrogen sulfate 1:2. 6:0. 22, the reaction time 1. 5 h, and the yield up to 94.24%.

实验结果表明：酯化反应的优化条件为邻苯二甲酸、正丁醇、硫酸氢钠物质的量比为1：2.6：0.22，反应时间1.5h。产率可达94.24%。

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Impact of Phthalic Acid Easters on Diversity of Microbial Community in Soil

邻苯二甲酸酯对土壤微生物群落多样性的影响

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The distribution of phthalic acid esters ( PAEs) in Platanus hispanica leaf and its appendicle collected at several streets in Yangpu district, Shanghai city was analyzed.

采集上海市杨浦区部分交通道路两侧行道树悬铃木叶片样品，对邻苯二甲酸酯（PAEs）的分布特征进行分析。

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Alkyd resin: Thermosetting resin, obtained as reaction product from glycerol and phthalic acid.

醇酸树脂: 热固性树脂.是丙三醇(甘油)和笨二酸(酞酸)起化学反应的产品.

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Phthalic acid ester ( PAEs) is a important compounds of Environmental Estrogens, which will lead physical deformities, endocrinopathy, reproductive harm such as system lesions.

邻苯二甲酸酯类（PAEs）是环境激素类物质中的一类重要化合物，具有致人体肢体畸形、内分泌失调、生殖系统病变等危害。

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A nitrofluorescein compound was obtained from 4-nitro phthalic acid and resorcinol a yield of 85.

以 4- 硝基邻苯二甲酸、间苯二酚、氯化锌为原料合成硝基荧光素,收率为85.

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Objective To find out the level of phthalic acid esters ( PAEs) pollution of vegetables, fruits, and dried food in the market.

目的了解市售蔬菜水果及干货食品中酞酸酯的污染状况。

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