| 1. | Determination of trace iron by catalytic kinetic spetrophotometry 邻苯三酚红体系催化光度法测定痕量锌 |
| 2. | Determination of pyrogallol by flow injection chemiluminescence assay 流动注射化学发光分析法测定邻苯三酚 |
| 3. | The anion - exchange separation - bromopyrogallol red photometric method for the determination of of tantalum content 溴邻苯三酚红光度法测定钽量 |
| 4. | Study on the colour reaction of tin with citric acid and bromopyrogallol red in the presence of ctmab 有机络合剂对锡与溴邻苯三酚红显色反应的影响 |
| 5. | Determination of trace antimony by adsorptive stripping voltammetry with bromopyrogallol red modified carbon paste electrode 溴邻苯三酚红修饰碳糊电极吸附伏安法测定痕量锑 |
| 6. | Determination of trace cobalt by solid substrate room temperature phosphorescence quenching method on hydrogen peroxide oxidizing pyrogallol red 催化过氧化氢氧化邻苯三酚红固体基质室温?光猝灭法测定痕量钴 |
| 7. | Methods for chemical analysis of iron , steel and alloy - the anion - exchange separation - bromopyrogallol red photometric method for the determination of tantalum content 钢铁及合金化学分析方法离子交换分离-溴邻苯三酚红光度法测定钽量 |
| 8. | The pyrogallol was adhered on the surface of the solid electrode by the direct oxidative electropolymerization to construct the chemical sensors for bi ( iii ) . the sensor exhibits perfect long stability and reproducibility . a low detection was obtained in the determination of bi ( iii ) and this way can be applied to determine the real samples such as human hair and nails 2 、将修饰剂邻苯三酚直接电聚合到固体电极的表面,研制bi ( )离子化学传感器,该修饰电极稳定性和重现性很好,克服了以往碳糊电极机械强度差、重现性不好的缺陷,测定bi ( )达到了很低的检出限,应用于人发和指甲等实际样品的测定。 |
| 9. | A novel catalytic property of hemin is described . in ammonium buffer medium of ph 8 . 08 . 9 , hemin has an ability to catalyze the decoloration of bromopyro - gallol red . oxygen dissolved in solution plays a role as an oxidant in the reaction . with sodium dodecylbenzenesulfonate and ethanol as effect - enhancing agents , the catalytic system obeys the michaelis - menten equation of enzymatic catalysis . the michaelis constant , catalytic constant and specificity constant of the system are estimated by lineweaver - burk plot to be 3 . 710 在ph 8 . 08 . 9氨性缓冲介质中, hemin催化溶解氧氧化溴邻苯三酚红的褪色反应。在sdbs和30 %乙醇的增效作用下,催化体系服从michaelis - menten方程。用lineweaver - burk作图法求得米氏常数催化常数和专一性常数分别为3 . 710 |
| 10. | Using cd , cu , zn and cr as experimental toxicants and crucian as experimental creature , we employed the environmental biotechniques ( flame atomic absorption spectrophotometry , the method of improved pyrogallol autoxidation and electron microscopy ) to study the acute toxicity and secure concentrations of heavy metals to crucian ; the accumulation and distribution of mixed heavy metals to fingling crucian ; the activities of superoxide dismutase ( sod ) of gill and liver tissues and the hispathological and ultrastructural change of superfine structure of liver and kidney of crucian after cadmium exposure . through which , we intended to fully and systemically study the toxic influence of heavy metals to fish , and preliminarily discuss the influence of heavy metals pollution to the diversified level of fish such as individual , organ , tissue , cell and molecule . thus we tried to provide scientific evidence to establish preventative management measures , avoid and relieve the harm of heavy metals pollution to aquicolous ecosystem in time 随后以这几种重金属作为实验毒物,以鲫鱼为实验动物,应用环境生物技术、火焰原子吸收分光光度法、邻苯三酚自氧化法、透射电镜等技术研究了重金属cu 、 zn 、 cd和cr对鲫鱼的急性毒性及其安全浓度评价、混合重金属在鲫鱼幼体组织内的积累和分布、 cd对鲫鱼鳃和肝脏中sod活性的影响、 cd对鲫鱼肝细胞和肾细胞超微结构的影响等,全面和系统地研究了水环境中重金属暴露对鱼类的毒性影响,初步探讨了重金属污染对鱼类的个体? ?器官? ?组织? ?细胞? ?分子等各水平层次的影响,为制定渔业生产上预防性的管理措施提供科学依据,及时避免或减轻重金属污染对水生生态系统造成的损害。 |