以百里酚的次溴酸钠溶液为显色剂，用正丁醇萃取显色产物，以分光光度计比色测定有机相的吸光度值。
Using thymol-sodium hypobromite as chromogenic reagent, and extracting the colour formed with butanol, a spectrophotometric method for the determination of arginine in fermentation broth was studied.
大气污染应急监测应首选快速法，包括仪器法、检气管法、试纸比色法和溶液快速法。
Rapidness is at the first place in air pollution emergency monitoring, which includes instrument method, detector tube method, test paper colorimetry and solution rapidness method.
方法使用比色法和pH值对照对两者不同配伍比例时溶液的澄明度进行检查。
Methods The chromatometry and PH value were detected in varied ratio liquid of two drugs.
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