分光光度测定

CONCLUSIONUsing ultraviolet spectrophotometry to detect total flavanone content in Potentilla discolor bunge is simple, accurate, and sensitive.

结论］采用紫外分光光度法测定翻白草中总黄酮的含量简便易行，结果稳定可靠。

ConclusionUV spectrophotometry is simple, rapid, accurate, economical and is suitable for content determination of total flavones in Prunella vulgaris L..

结论紫外分光光度法具有简便、快速、准确、经济的优点，是一种较理想的测定夏枯草中总黄酮含量的方法。

ObjectiveTo determine the total flavone content in Prunella vulgaris L. by VIS and UV Spectrophotometry.

目的研究可见光及紫外光分光光度法测定夏枯草中总黄酮含量的方法。

MethodsThe flavonoids were extracted by ethanol from Baise's purslane with ultrasonic wave and ethanol extraction .

方法采用超声波乙醇浸提法从百色马齿苋中提取黄酮类物质，对所提取的黄酮类物质进行验证，并用分光光度法测定含量。

In the experiment,glass chest was used to simulate indoor roomage environment.The formaldehyde concentration in the simulative room was measured by the method of acetyl acetone with spectrophotometer.

实验以玻璃箱模拟室内空间环境，应用乙酰丙酮分光光度法和邻苯三酚自氧化法测定在不同甲醛含量下芦荟对甲醛的吸收及其体内过氧化物酶活性的变化情况。

Determination of Trace Copper by Catalytic Fluorimetric——System of Cu- Safranin T -H_2O_2

本文依据汞对藏红T-碘化钾反应的催化作用，建立了一种测定微量汞的动力学分光光度法。

A spectrophotometric method to measure the concentration of salicin in the water extract of willow bark was established based on the HCLO4 - Vanilin staining reaction with λmax of 520 nm.

以水为溶剂，50℃下超声提取柳树茎皮中的水杨苷，采用香草醛分光光度法，在吸收波长520nm下，建立水杨苷含量的测定方法。

The paper analyses that flavone's total content measuring of Parthenocissus tricuspidate is extracted by scorbutic extractor and Cohobation method, measured by spectrophotometer.

采用索氏提取法和回流提取法对爬山虎中总黄酮含量进行了提取，并用分光光度法进行了测定。

The total flavonoids of Smilax glabra from different areas were determined by spectrophotometri.The content was effected by the area and climate in some degree.

利用紫外分光光度法对多个产地的土茯苓甲醇总提取液中总黄酮含量进行测定，发现土茯苓中总黄酮含量受地域及气候关系影响较大。

Methods The selected microorganisms were cultivated at 37℃ in culture media with different concentration of sodium arsenite and counted by microscope, and arsenic content in bacteria was detected by ASA.

采用在培养基中加入不同浓度亚砷酸钠的方法研究各菌株对砷的耐受性，并在显微镜下进行细菌量计数，采用超低温捕获原子吸收分光光度仪测定菌体中砷含量。

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。