氰化钾

Several kinds of 4-aminopyrazolone derivatives were synthesized. The reactions between those derivatives and phenol under potassium ferricyanide were used to enrich and determine phenol by an on-line capillary tube coupled with flow injection system with our own design.

文章摘要：本文合成了几种4-氨基吡唑啉酮衍生物，比较了它们在铁氰化钾存在下与苯酚及其衍生物的反应，并利用这些反应生成的化合物于自行设计的流动注射分析系统，实现了总酚在线分离富集。

Total phenolic content and reducing power were determined using the Folin-Ciocalteu and the potassium ferricyanide reduction methods, respectively. Statistical analysis indicated a close association between the antioxidant potency and total phenolic content, and between the antioxidant potency and reducing power as well.

酚的含量和还原能力分别用福林酚试剂和铁氰化钾还原反应来测定，统计分析显示两种蚂蚁窝的抗氧化能力和其酚含量、还原能力都存在着正相关。

Chinese chestnuts of Qianxi were dealed with by wet method and the determination of the content of Se in chestnuts was discussed on the influence of the proportion of nitric acid and the perchloric acid. In the system of ferricyanide potassium and hydrochloric acid, the determination conditions were optimized by standard-curve method and quantitative analysis was acquired.

采用湿法处理河北迁西板栗样品，探讨了硝酸与高氯酸的配比对板栗中硒元素含量测定的影响，在铁氰化钾－盐酸体系中，对测定条件进行了优化，采用标准曲线法定量分析。

The catalytic mechanism of amidopyrine on the oxidation of ferrocyanide in KOH has been first presented.

提出了氨基比林对亚铁氰化钾的催化反应的机理。

The effect of maleic acid, potassium ferrocyanide and thiourea on electroless copper plating was investigated.

研究了马来酸、亚铁氰化钾和硫脲对化学镀铜的影响。

Based on the reaction between metoclopramide,alkaline luminol and potassium ferrocyanide to produce chemiluminescence,a new chemiluminescence system with flow injection technology for the determination of metoclopramide has been proposed in this paper.

基于在碱性条件下，甲氧氯普胺能够与鲁米诺和亚铁氰化钾产生化学发光的现象，结合流动注射技术，建立了测定甲氧氯普胺的化学发光新体系。

The quantitative determination method of potassium ferrocyanide in edible salt is described in the paper.

本方法采用蒸馏食用盐中亚铁氰化钾，吸收氰根，吡啶-吡唑啉酮显色定量测定。

The catalytic action of mercury on the colour reaction between potassium ferrocyanide and 4, 7-diphenyl-1, 10-phenanthrolihe has been studied, The addition of thiourea will further increase the sensitivity of the reaction.

本文研究了汞催化亚铁氰化钾与4，7-二苯基-1，10-菲啰啉显色反应体系，硫脲的加入显著提高了体系的灵敏度，摩尔吸光系数ε＝4。

Objective To establish a method for determination of sorbic acid and benzoic acid in ham by HPLC. Methods Sea sand were added into samples-distill by water in the condition of alkalescence vibratedly-add potassium ferrocyanide and zinc acetate (to deposit protein, faecula,fat.)-determination by HPLC after filtration.

目的 建立火腿肠食品中苯甲酸、山梨酸的高效液相色谱测定方法方法样品加入海砂分散黏稠成块的样品，在碱性条件下用水振荡提取，加入亚铁氰化钾和乙酸锌沉淀蛋白质、淀粉和脂肪等，滤膜过滤进行液相色谱分析。

The zinc acetate, the potassium ferrocyanide and the potassium binoxalate are used as the sample preparation reagent of calcium tablets, and the hydrogen peroxide in samples can be extracted in weak-acid medium and 60℃ water bath.

采用乙酸锌、亚铁氰化钾和草酸氢钾作为前处理试剂，在弱酸性介质和60℃条件下提取过氧化氢。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。