xylidine

determination of m-xylidine in waste water by liquid-liquid micro-extraction and gas chromatography

微量萃取气相色谱法测定工业废水中的间二甲基苯胺

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a method for the determination of triethylamine and xylidine in mixed amine by near infrared ( nir) spectroscopy is presented.

研究了用近红外光谱分析混胺组分三乙胺和二甲苯胺含量的方法。

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any of various mixtures of xylidine isomers. evidently, living things can somehow distinguish between optical isomers.

一种二甲基苯胺同分异构体的混合物显然，生物体对这两种同分异构体能够有所识别。

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the optimal spectral region and the baseline treatment by different methods were studied, then the calibration models of triethylamine and xylidine were established with partial least square regression.

对波长范围的选择和基线处理方法进行了研究，用偏最小二乘法线性回归分析建立三乙胺和二甲苯胺的校正模型。

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wastes treatment method in production process of xylidine

二甲苯胺生产过程中的污染治理方法试验

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determination of triethylamine and xylidine in mixed amine by near-infrared spectroscopy

近红外光谱快速测定混胺组分含量

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the results showed that pd/ c was an efficient catalyst for the reductive condensation of d-ribose and 3,4-xylidine, the yield could exceed 60% when the process was carried out under low pressures.

结果表明，Pd／C催化剂是该缩合还原反应的有效催化剂，在低压下的单程收率可达60%以上。

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a close recycle technology for treatment of wastewater from 2,4 xylidine production by reduction process

全循环工艺治理2,4-二甲基苯胺生产中的还原废水

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