光度测定

ObjectiveTo establish a spectrophotometry method for determining the contents of ferrum in ferrous succinate tablets.

目的建立分光光度法测定琥珀酸亚铁片中铁的含量的方法。

Study on spectrophotometric determination of ferrum with phenylfluorone in thepresence of β-CD and OP ;2. A new method for the determination of trace Crwas studied,which was based on surfactant OP enhancement.

在HAc-NaAc缓冲溶液介质中，在乳化剂 OP 存在下，痕量铬对过氧化氢氧化中性红的褪色反应有很强的催化作用，据此建立了测定微量铬的催化动力学光度法。

A new microwave heating extraction method replacing the conventional circumfluence is described, the flavonoids in flammulated coat onion samples has been determined with the use of spectrophotometry.

利用微波加热溶出代替常规回流提取方法，对红皮洋葱样品中黄酮类化合物进行了微波溶出—分光光度法测定，与常规方法做了对照，并讨论了微波功率、微波时间、浸提剂浓度、料液比等因素对溶出结果的影响，通过正交试验，确定了最佳工艺条件为：微波功率900W，微波提取时间5min，提取溶剂80%乙醇，料液比为1∶10。

The determination method of trace manganese content in the water was investigated by formaldoxime spectrophotometry.

提出应用甲醛肟分光光度法测定原水中微量金属锰含量的方法，并对可能的干扰进行了讨论，对方法的精密度和准确度进行实验。

Methods: In dilute H2SO4 medium, resorcinol could sensitively inhabit the gallocyanin solution descolorization reaction with KIO4 and H2O2, the optimal condition was investigated, based on which, an inhibition kinetic spectrophotometric method for the determination of resorcinol was established.

在硫酸介质中，间苯二酚能灵敏地阻抑高碘酸钾和过氧化氢氧化棓花青的褪色指示反应，在探讨了反应的优化条件和动力学参数后，建立了测定微量间苯二酚的阻抑动力学光度分析新方法。

The contents of total gingerol were measured by ultraviolet spectrophotometry.

用紫外分光光度法测定总姜酚的残留量。

The clarification effects were compared between two agents of glutin and egg white.

利用明胶、蛋清液两种澄清剂对酿造食醋进行初步的澄清实验，并对处理后食醋的吸光光度值、酸度等进行测定，比较其澄清效果。

Glutin and egg white were used as clarification agents to dispose the deposition in brewing vinegar.

利用明胶、蛋清液两种澄清剂对酿造食醋进行初步的澄清实验，并对处理后食醋的吸光光度值、酸度等进行测定，比较其澄清效果。

Ultraviolet spectrophotometry was used to determine content of selenium in punica granatum with o-diaminobenzene hydrochloride as apparent color agent under 335nm detection wavelength.

采用紫外分光光度法，以邻苯二胺盐酸盐做显色剂，检测波长为335 nm，测定石榴皮中微量硒元素的含量。

Methods Hydrid Atom-fluorometry was applied to determine the uncertainty of arsenic content.

采用国家标准GB/T 5009.11-2003氢化物原子荧光光度法对味精中砷测定的不确定度进行评定。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。