采用薄层色谱分离-分光光度法测定楝科植物中总三萜皂苷含量。
方法:利用分光光度法测定炭药吸附后残余柠檬黄的吸收度,计算炭药的吸附力。
方法采用性状鉴别、荧光法、薄层色谱法和紫外分光光度法进行分析。
通过正交试验和紫外分光光度法研究有机膨润土的吸附性能。
用紫外分光光度法检测,提取参数并对参数进行相关性研究。
试样经堿熔,酸化后,以磷-钼-钒黄分光光度法测定五氧化二磷;
紫外分光光度计检测结果显示,这几种多糖均不含核酸和蛋白质等杂质成分。
方法:采用高效液相色谱法和分光光度法分析鞭类药材中的甾体类成分。
方法:枸杞经处理后,采用火焰原子吸收分光光度法和石墨炉原子吸收分光光度法检测。
研究了用火焰原子吸收分光光度法直接测定水和废水中的总铬。
方法:采用火焰原子吸收分光光度法测定发中微量元素含量。
利用薄层色谱法定性鉴别中草药中皂苷有效成分,紫外分光光度法测定总皂苷含量;
采用紫外分光光度法和高效液相色谱法测定凝胶的含量。
紫外可见和荧光光谱实验结果证明了由自组装而产生的卟啉低聚物的存在。
分子吸收分光光度法.光度计和分光光度计.数据卡.标准流程图
方法采用双波长紫外分光光度法测定妥布霉素和地塞米松的含量。
采用分光光度法对多孔硝酸铵产品中包裹剂含量进行了测量。
结果:黄芪及其伪品的种子的理化现象、层色谱及紫外光谱均有差异。
结论利用扫描电镜与紫外光谱法可准确鉴别两种黄芪种子。
研究了以过硫酸钾为消解试剂,用微波消解测定水样中总磷的分析方法;
用薄层分光光度法对延胡索中有效成分延胡索乙素进行了含量测定。
方法采用分光光度法测定赤芍野生品和栽培品鞣质含量,并进行比对。
急性子;氮酮;盐酸达克罗宁;透皮吸收;一阶导数分光光度法。
采用紫外分光光度法对硝仿肼(HNF)进行了定性和定量分析的。
本文用三波长分光光度法测定了色氨酸、酪氨酸和苯丙氨酸。
1·The content of flavonoids in waste liquid of alcohol production from sugarcane molasses was determined by spectrophotometry using rutin as standard substance.
以芦丁为标准物质,用分光光度法测定了甘蔗糖蜜酒精废液中黄酮类化合物的含量。
2·The maximum adsorption of heparin sodium solution was determined by spectrophotometry . The results showed that semi crosslinked chitosan resius have a good adsorption properties for heparin.
本文采用分光光度法测定水中目的物肝素浓度来计算吸附量,结果表明,半交联壳聚糖珠对肝素有较好的吸附效果。
3·Methods High performance liquid chromatography and infrared spectrophotometry were used to determine its quality.
方法采用高效液相色谱法与红外分光光度法分析。
4·Methods: the content of fleroxacin injection was determined by UV spectrophotometry, the expiry term was predicted by initial average rate methods.
方法:紫外分光光度法测定氟罗沙星注射液含量,用初均速法预测其有效期。
5·The principle of spectrophotometry with tetramethyl-benzidine, the drafting of chlorine standard curves, sample tests, and the results and discussions of the method are introduced.
介绍用四甲基联苯胺分光光度法测定水中余氯的原理、氯标准曲线的绘制、样品测试,该方法的结果与讨论。
1·With the measurement principle of spectrophotometry, the analyzer calculates absorbency by software . avoiding the mathematical formulas of logarithmic ratio amplifiers.
仪器采用吸光光度法测量原理,在测量方法上避免了模拟对数放大与运算;
2·This methods is also used to treat data by the spectrophotometry.
用于光度法的数据处理。
3·The equilibrium constants of addition reaction of alcohol to tetrahedral complex of cobalt with organophosphorus monobasic acids in octane are established by spectrophotometry.
用光度法测算了醇与有机磷一元酸四面体钴配合物加合反应的平衡常数。
4·The author investigates the minute amount of magnesium with xylend orange in water using discoloration spectrophotometry approach in this paper.
本文作者研究了利用褪色光度法测量水样中微量镁的方法。
5·The continuous determination of arsenic and lead in the solution of the same sample by spectrophotometry is described, based on the reaction between hydrides and silver nitrate.
本文提出了以氢化物与硝酸银反应为基础的在一份试样溶液中连续测定微量砷和铅的分光光度法。