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- cresol naphthol [医] 甲酚萘酚(甲酚和萘酚的混合物, 用作杀菌剂)
- Brown liquid ,mainly consist of phenol ,cresol and xylenol etc. 棕褐色液体,主要由苯酚,甲酚和二甲酚等组成。
- The isomers of dichlorobenzene and cresol were separated successfully. 利用该色谱体系成功地分离了二氯苯异构体和甲酚异构体。
- A method for the determination of 6 - bromo - 2 - naphthol and 2 - naphthol is described. 采用高效液相色谱法同时测定了6-嗅-2-萘酚和2-萘酚的含量。
- A fast and convenient analytical technique was suggested to detect naphthol isomers directly and simultaneously. 建立了一种同时检测萘酚同分异构体.;方法。
- This paper introduces the reaction mechanisms,process and result from reacting the HFA with phenol,aniline and cresol. 介绍了六氟丙酮与苯酚、甲基酚和苯胺的反应机理、过程和结果。
- Several prpduction methods, market demand and development of 2 - naphthol are introduced in this paper. 本文着重介绍了2-萘酚的各种生产工艺及市场需求。
- The technological reform of mixed cresol refining and purification in the Taidong Co.,Ltd is presented. 介绍了莱钢泰东公司混合甲酚精制提纯的工艺改造情况。
- The determination of m - cresol content by brominating volumetric method was investigated. 探讨了间甲酚含量的容量分析方法。
- The resultant polyimides are soluble in DMA, DMF, NMP, THF,m cresol and chloroform. 该类聚酰亚胺在DMA,DMF,NMP,THF,间甲酚,氯仿中有很好的溶解性,且与柔性链的长度无关。
- The method is based on the catalytic effect of nitrite ion on the oxidation reaction of naphthol green B in a dilute medium. 本文基于磷酸介质中亚硝酸根催化溴酸钾氧化萘酚绿B的褪色反应,建立了测定亚硝酸根的新方法。
- The experimental results showed that naphthol is easily oxidized in SCW and its main aromatic residues are o-phthalic acid and benzoic acid. 实验表明:萘酚在实验条件下极易氧化分解,其主要芳环残留物为邻苯二甲酸和苯甲酸;
- The concentration of naphthol,mass flow(or residence time),and excess oxygen rate were the main factors which affect the decomposition of naphthol. 反应温度、萘酚溶液的浓度及质量流量是影响萘酚氧化分解的主要因素;
- A new thought for preparing m cresol from m nitrotoluene via reduction, diazotiation and hydrolsis is proposed in this paper. 提出了以间硝基甲苯为原料,通过还原、重氮化、水解等过程合成间甲酚的新思路。
- The experimental results showed that naphthol is easily oxidized in SCW and its main aromatic residues are o phthalic acid and benzoic acid. 实验表明:萘酚在实验条件下极易氧化分解,其主要芳环残留物为邻苯二甲酸和苯甲酸;
- The experimental study on the preparation of p hydroxybenzaldehyde by p cresol oxidation has been carried out in this work. 研究了对甲酚经空气氧化合成对羟基苯甲醛反应过程。
- The treatment of the industrial wastewater discharged from naphthol AS production by adsorption with NDA - 222 resin has been studied. 采用国产超高交联吸附树脂NDA-222处理色酚AS生产过程中排放出的生产废水,取得了良好的吸附-脱附效果。
- A gas chromatographic method for the determination of chlorobenzene and m cresol in m phenoxy toluene has been developed. 用气相色谱法测定了间甲基二苯醚中的微量氯苯和间甲酚。
- In this paper,the research progress on preparation and separation of p hydrobenzaldehyde by p cresol is discussed in details. 阐述了对甲酚催化氧化法合成对羟基苯甲醛的制备及分离工艺研究进展和发展趋势。
- The effects of amount of water and base, particle size and amount of active carbon on the quality of naphthol AS during the purification are investigated. 采用中和法,碱溶法和碱溶吸附法对色酚AS进行精制,探讨了精制过程中碱溶水量、碱量,吸附活性炭粒度、用量等因素对色酚质量的影响。
