光度测定

In order to mensurate the certain amount of iron,I apply the spectrum-kurtosis technic on the basis of using orthophenanthroline spectroscopy,this method can avoid to be disturbed by oher ions and raise the accuracy.

在邻二氮菲光度法的基础上，引入光谱峰面积技术，对微量铁进行定量测定，该方法避免了有关离子的干扰，提高了准确度。对于面粉、奶粉和肝等食品样品进行分析，结果令人满意

Atomic absorption spectrophotometry ; determination ; microelement/lead metasilicate

原子吸收分光光度法；测定；微量元素/硅酸铅

In order to explore the role of cytochrome c oxidase during the development of Microtus brandti, the activity of mitochondrial CcO and content of mitochondrial protein in voles＇ liver was measured by using ultraviolet spectrophotometry, these voles were chosen according to days.

为探讨线粒体能量代谢中细胞色素c氧化酶（cytochrome c oxidase，CcO）在布氏田鼠生长发育过程中的作用，应用紫外分光光度法测定了不同日龄的幼鼠肝脏内线粒体蛋白含量及CcO活性。

A method for the determination of mixedness degree of red mud and limestone by spectrophotometry with 1,10-phenanthroline was developed. The mixture of red mud and limestone was dissolved by hydrochloric acid, and iron content in the sample solution was determined by spectrophotometry with 1,10-phenanthroline.

用盐酸提取赤泥和石灰石的混合料后，通过邻二氮菲分光光度法测定提取液中铁含量，进而求得混合料中氧化铁的质量分数，以此来衡量混匀度。

The method is simple, rapid and accurate and suitable for the quality evaluation of momordica charantia material and products.

利用分光光度法测定苦瓜多糖的方法属化学方法，操作简便、速、确，可作为苦瓜原料及苦瓜制品质量评价方法。

Results: Diacetyl monoxime solution of acetic acid and to without acetic acid DMA color liquid, transparent tube and the Brown tube of absorbance determination, 30 min to put average drop of 6.80%, 1.30% and 1.44%, 0.98%; 60 min put average drop 19.8%, 1.92% and

结果：二乙酰一肟乙酸溶液与无乙酸的DMA显色液，其透明管与遮光管测定的吸光度，放置30 min平均下降了6.80%、1.30%与1.44%、0.98%；放置60 min平均下降了19.8%、1.92%与2.49%、1.60%。

A new method for simultaneous determination of multicomponent with spectrum transform single wavelength spectropotometry is presented.

提出了一种新的单波长法同时测定多组分的光谱变换分光光度法，并以苯甲酸和苯甲醛混合组分为例论证了该方法的可行性。

A new method was proposed for the determination of moroxydine hydrochloride with sodium nitroprusside by spectrophotometry.

建立了可见分光光度法测定盐酸吗啉胍的新方法。

Substituted-2-aminobenthiazoles were dissolved in a mixture of acetic acid,phosphoric acid and propionic acid, and diazotized by nitrosylsulphuric acid, then coupled with m-dimethylaminobenzoicacid to form 6-R-BTAMB in good yield.

我们在2-氨基苯并噻唑的6-位引入了不同的取代基R，合成了6种新试剂，2-I2'-(6'-R-苯并噻唑)偶氮-5-二甲氨基苯甲酸(6-R-BTAMB，R=〓，〓，Cl，Br，〓，〓，)，并研究了6-R-BTAMB与Fe、Co、Ni、Cu和Pd的络合显色反应的光度性能及不同R基团对试剂灵敏度及选择性的影响将6-〓-BTAMB应用于测定铝合金，电镀废液中的铜，人体毛发和矿泉水中铁的含量均取得了满意的结果。

In the medium of ammonia water and ammonium chloride trace copper can sensitively catalyze hydrogen peroxide(H2O2) oxidizing the fading of the orcein. On the basis of the principle, the uncatalytic and catalytic system solutions are heated for 11.5 mm in boiling water and then the absorbance is measured at 582 nm.

在NH3H2O-NH4Cl介质中，铜能灵敏地催化过氧化氢氧化地衣红褪色，利用这一原理，将非催化反应体系与催化反应体系在沸水中加热11.5min，在波长582nm处测定吸光度。

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。