Phthalic

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1.
Escaping materials in phthalic anhydride melting and condensing trunk is one of the most common faults in production.
热熔冷凝箱体跑料是苯酐生产最常见的故障之一。
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2.
Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride.
用六氢化邻苯二酸酐加入到邻苯二酸酐中，可使其放热反应减慢。
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3.
The product of national patent products, domestic maleic anhydride, phthalic anhydride industry equipment exclusive manufacturing plant.
该产品获国家专利产品，是国内顺酐、苯酐业设备独家生产厂。
learning.zhishi.sohu.com
4.
CHEMICAL ANALYSIS OF PHTHALIC ANHYDRIDE. POLAROGRAPHIC DETERMINATION OF MALEIC ANHYDRIDE.
酞酐的化学分析.极谱仪的马来酸酐含量的测定
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5.
CHEMICAL ANALYSIS OF PHTHALIC ANHYDRIDE. DETERMINATION OF IMPURITIES OXIDIZABLE IN THE COLD BY POTASSIUM PERMANGANATE.
酞酐的化学分析.用高锰酸钾测定低温氧化杂质的含量
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6.
CHEMICAL ANALYSIS OF MALEIC AND PHTHALIC ANHYDRIDES. POTENTIOMETRIC DETERMINATION OF FREE ACIDITY.
马来酐和酞酐的化学分析.游离酸度的电位滴定法
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7.
The kinetics of polyesterification of phthalic anhydride with diethylene glycol was investigated.
对邻苯二甲酸酐和二甘醇的聚酯化动力学进行了研究。
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8.
Results 22 compounds were identified and was 99% of the total peak area, in which, the Phthalic acid mono-(2-ethylhexyl) ester was 87%.
结果共鉴定了22个成分，占总峰面积的99%，而其中邻苯二甲酸乙基己基酯占87%。
lib.cqvip.com
9.
Said active carbon is particle in shape, fixed bed can be used absorption or stirring kettle type absorption to treat phthalic anhydride.
该活性炭为颗粒状，可采用固定床吸附或搅拌釜式吸附处理苯酐。
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10.
NON-IONIC SURFACE ACTIVE AGENTS. POLYALKOXYLATED DERIVATIVES. DETERMINATION OF HYDROXYL VALUE. PHTHALIC ANHYDRIDE METHOD.
非离子表面活性剂.聚烷氧酯衍生物.羟基指数的测定.酞酸酐法
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