colorimetry

The optimum coditions of deyermining L-isoleucine in fermentation liquid with chemical colorimetry were obtained.

确定了化学比色法测定发酵液中L-异亮氨酸的最佳条件,并且与氨基酸分析仪法进行比较,结果表明化学比色法是一种快速方便的测定方法。

L-valine concentration in fermented broth was quantitatively determined with methods of chemical colorimetry.

应用“化学比色法”对发酵液中L -缬氨酸进行了定量分析研究 ,确立了L -缬氨酸定量测定条件和计算方法。

This paper proves the method of determining trace iron and nickel in MDEA solution of CO2 removal system with atomic absorption spectrometry, and compares it with the conventional spectrophotometric colorimetry.

对原子吸收光谱法测定化肥厂脱碳系统MDEA溶液中痕量金属铁、镍的试验方法进行论证和说明,同时与常用的分光光度比色法进行比较和讨论。