分光光度法

The reaction of arsenazo with lanthanum and gadolinium in aqueous solu- tion Was studied by the spectrophotometric method.

在水溶液中用分光光度法研究了偶氮胂Ⅲ与稀土元素镧、钆的反应。

Color liquid color is relatively stable, and can be used for the germanium Spectrophotometric Determination.

显色液色泽比较稳定，可用于锗的分光光度法测定。

This article uses the microwave oven separately to use 700W,336W processing for 3min on pretreatment of three vegetables(celery,greengrocery and green soy bean),andusing the ultrasonic wave extraction process and 70％methyl alcohol to withdraw,then Uses the spectrophotometer method to determine and compare total flavonoid content of the three vegetables in which two samplewere processed by microwave,and the other was fresh.

本文利用微波炉对新鲜的三种常食蔬菜进行处理，分别用700W，336W处理3分钟，采用超声波提取法用70％的甲醇进行提取，然后用分光光度法对三种蔬菜未经微波处理的新鲜样品和经两种微波处理的样品进行总黄酮含量的测定和比较。

A novel and simple spectrophotometric method for determination of hydroquinone with 1,2-naphthoquinone-4-sulfonate reagent was developed.

建立了用1，2-萘醌－4-磺酸钠分光光度法测定对苯二酚的新方法。

Based on the absorption property of glyoxime which can be formed by addition reaction of aldehyde group and hydroxylamine in the UV-spectral region,spectrophotometric determination of glyoxal in glyoxal solution was proposed.

利用醛基与羟胺在酸性条件下的成肟反应产物乙二醛二肟对紫外光的吸收特性，用紫外分光光度法测定乙二醛的含量。

The spectrophotometric method examination resultindicated, withdraws sample DNA rate in, OD260/280 value in;Agarose the gelatin electricity swims the examination result to indicate,molecular weight size about 23kb; Withdraws sample DNA may use EcoRIand the HindIII restrictive internally tangent enzyme carries on cuts.

分光光度法检测的结果表明，提取的样品DNA得率在20ug/g-80ug/g之间，OD260/280值在1.9-2.0之间；琼脂糖凝胶电泳检测的结果表明，分子量大小在23kb左右；提取的样品DNA可以用EcoRI和H indIII限制性内切酶进行切割。

Based on the color reaction of iodate with p-phenylenediamine in dil.HCl medium,a FI-photometric method for determination of iodate in table salt was proposed.

基于在酸性介质中，碘酸根与对苯二胺发生显色反应，提出了流动注射-分光光度法测定碘酸盐态碘含量的方法。

When high iodate potassium spectro-photometric method is used to carry on the determination to manganese concentration, calcium ion can be interferenced in the determination.

电解锰废水中，钙往往与锰共存，采用高碘酸钾分光光度法(GB/T 11906-1989)对锰浓度进行测定时，钙离子存在对锰测定的干扰较大，从而影响测定结果。

The results show that the best buffer pH value is 4, the best temperature of water bath 100℃ and the isatin dosage 1.3 mL.

结果表明：利用靛蓝胭脂红褪色分光光度法测定葡萄糖氧化酶活力时，缓冲液最佳pH值为4、最佳水浴温度为100℃、靛蓝胭脂红最佳用量为1.3 mL。

In this study, a novel method based on the fading of isatin is proposed to determine the glucose oxidase activity.

利用靛蓝胭脂红褪色分光光度法测定葡萄糖氧化酶催化葡萄糖溶液产生的过氧化氢浓度，经过标准曲线转换得到葡萄糖氧化酶的活力。

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。