并分析了在绘制氨氮标准曲线时显色液易浑浊和截距常常偏大的原因；
Then the reason is analyzed that why the colour reagent will be easily turbid and the intercept will be often too big when the ammonia standard curve is being protracted.
用EDTA作显色剂，通过光度法测定酸性镀铜液中硫酸铜的含量。
Copper sulfate in acid copper plating bath was determined by spectrophotometry with EDTA as chromogenic agent.
对待测样品液稳定性分析的结果表明，未经显色处理及显色后盖上塞子的待测液较为稳定。
The analysis results on the steadiness of sample liquid showed that the untreated or unchanged blue sample liquid is steadier.
研究了铜与1-（2-吡啶偶氮）-2-萘酚（PAN）的显色反应，建立了测定硫酸阳极氧化液中铜的新方法。
The color reaction conditions of Cu 2+ and 1-(2-pyridylazo)-2-naphthol(PAN)were researched, and a new method was developed for the determination of copper in sulfuric acid anodizing liquor.
本文利用722型分光光度计测定磷酸盐标准使用液经显色后吸光度随时间的变化，探讨钼锑抗分光光度法测定水中磷酸盐的最佳分光时间。
This paper discussed the best analysis time of Phosphorus in water by determining the absorption of the colorful liquid of phosphorus using Model 722-Spectrometer.
溶液澄清度与颜色：溶液应澄清无色；如显色，应不得深于黄色1号标准比色液。
Clarity and colour:Clear, colourless liquid; if itappear color, less than Y1#standard compare color liquid.
用显色基质法检测样品液对内毒素的破坏作用；
Using coloration matrix as a method for the quantitation of endotoxin , pretreated by sample ;
用显色基质法检测样品液对内毒素的破坏作用；
Using coloration matrix as a method for the quantitation of endotoxin , pretreated by sample ;
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