均苯四甲酸

采用协同萃取法处理均苯四甲酸工业废水，一次萃取率高达99.5%以上。

The wastewater from the production of pyromellitic acid is treated by cooperative extraction with an efficiency over 99.5 % .

用均匀沉淀法合成了均苯四甲酸过渡金属配合物。

Transitional metal complexes of pyromellitic acid were synthesized by homogeneous precipitation method , and characterized by TG , element analysis and FTIR .

SO4~（2-）/TiO2-Al2O3固体酸催化剂的表征及其催化合成均苯四甲酸四异辛酯

Characterization of SO_4 ~ ( 2 - ) / TiO_2-Al_2O_3 Solid Acid Catalyst and Its Catalytic Activity in Tetraoctyl Pyromelliate ( Terra-2-Ethylhexyl Pyromellitate ) Synthesis

协同萃取法处理均苯四甲酸工业废水

Treatment of Wastewater from the Production of PMA by Cooperative Extraction

均苯四甲酸与对羟基吡啶超分子聚合物的制备

Synthesis of supramolecular polymer drived from 1,2,4,5-benzene tetracarboxylic acid and 4-hydroxy pyridine

在乙醇和水的混合溶剂中，合成了均苯四甲酸铽发光配合物。

The luminescent chelate of Tb-pyromellitic acid was synthesized in the alcohol and water mixed solvent .

稀土复合固体酸SO4~（2-）/Ti-La-O合成均苯四甲酸四（2-乙基己）酯（Ⅱ）

A Rare earth Compound Solid Acid SO 2 - 4 / Ti-La-O for Synthesis of Tetra 2 ethylhexyl pyromellitate (ⅱ)

均苯四甲酸-钙-铽的荧光特征及其机理探讨

An Approach to the Fluorescence Feature of Tb ~ ( 3 + ) - Pyromellitic Acid-Ca ~ ( 2 + ) and its Mechanism

聚均苯四甲酸十二烷二醇酯的合成及表征适用于本法的酸酐有苯二甲酸，马来酸及琥珀酸的酸酐。

Synthesis and characterization of poly ( pyromellitic acid-dodecanediol ) ester Suitable anhydrides for use in this process include phthalic , maleic , and succinic .

固体超强酸催化合成均苯四甲酸四异辛酯的研究生成的有机化合物成分比较复杂，主要成分有苯甲酸酐、苯甲酮等。

Study on Synthesization of Tetra-2-ethylhexyl Pyromellitate Catalyzed by Solid Superacid ; The organic compounds are mainly benzoic acid anhydride , benzophenone , and so on .

铕-M（Zn~（2+），Ca~（2+）等）-均苯四甲酸的合成及荧光光谱性质

Synthesis and Fluorescence Spectra Charater of Eu ~ ( 3 + ) - M ( Zn ~ ( 2 + ) , Ca ( 2 + * ) - Pyromellitic Acid