spectrophotometric determination

例句：

1. 1. Spectrophotometric determination is a method used to measure the concentration of substances in a solution by analyzing the absorption or fluorescence of light.
   分光光度法是一种通过分析光线的吸收或荧光来测量溶液中物质浓度的方法。
2. 2. In spectrophotometric determination, samples are analyzed using a spectrophotometer that measures the intensity oflight reflected from the sample.
   在分光光度法中，使用光谱仪对样品进行分析，光谱仪测量从样品反射的光的强度。
3. 3. The spectrophotometric determination method is widely used in environmental monitoring and quality control for its high accuracy and sensitivity.
   分光光度法因其高准确性和灵敏度而被广泛用于环境监测和质量控制。