查询词典 salicylal

The present invention relates to rhodamine 6G hydrazide salicylal azomethine, a synthesization method and an application in the content determination of cupric ions, which belong to the field of the analysis and determination of cupric ions in water sample.

罗丹明6G酰肼水杨醛希弗碱、合成方法及在铜离子含量测定的应用属于水样中铜离子的分析测定领域。

The molecular structural formula of the rhodamine 6G hydrazide salicylal azomethine is shown on the right, and the present invention discloses the synthesization method of the rhodamine 6G hydrazide salicylal azomethine and rhodamine 6G hydrazide salicylal azomethine solution used for the content determination of a small amount of cupric ions in water sample: 0 percent to 98.99 percent of ethanol, 99.99 percent to 1 percent of acetic acid / sodium acetate buffer solution with the pH value of 5 to 9, in which the total concentration of acetic acid is 1 to 100 millimoles per litre, 0.01 percent of N, N-dimethylformamide and 1ppm to 100ppm of rhodamine 6G hydrazide salicylal azomethine, all measured in mass percentage.

罗丹明6G酰肼水杨醛希弗碱，分子结构式如右，本发明公开了罗丹明6G酰肼水杨醛希弗碱的合成方法及其用于水样中微量铜离子含量测定的溶液：0～98.99％乙醇，99.99～1％pH值5～9的醋酸/醋酸钠缓冲溶液，该缓冲溶液中醋酸总浓度为每升1～100毫摩尔，0.01％N，N-二甲基甲酰胺和1～100ppm罗丹明6G酰肼水杨醛希弗碱，均为质量百分含量。

For the past years,our products such as Salicylal,Di-tert-butyl dicarbonate,sodium tertbutoxide,Phosphorus trichloride,Trichloromethyl chloroformate enjoy superior reputation home and abroad,some products even fill the domestic blank,products are sold to more than 20 domestic provinces and to japan,Europe,South America,etc.

本厂生产的氧氯化磷、三氯化磷、水杨醛等系列产品以优质的质量享誉国内外，多年以来，我厂依靠科技兴厂，始终坚持&质量第一，用户至上&的宗旨。

Among the above synthesized complexes, the SalenAlQ complexe that is combined from ethylenediamine and salicylal is more effective catalytic activity, because it has smallest steric hindrance.

在合成的系列催化剂中，由乙二胺与不带取代基的水杨醛合成的SalenAlQ因其空间位阻较小，催化活性相对较高。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。