emulgent的音标

A new fluorometric method has been developed for the determination of trace chromium, based on the fluoresence quenching effect of Cr ( ⅵ) 2. 6.7-trihydroxy-9 ( 3, 5-cli-bromo-4-hydroxyphenyl) fluorone ( DBH-PF)-emulgent OP system.

本文基于Cr（Ⅵ）-二溴羟基苯基荧光酮（DBH-PF）-OP体系的荧光熄灭效应，提出一种测定痕量铬（Ⅵ）的新荧光方法。

The analysis condition was studied for the determination of mercury by reinecke salt turbidimetry in the presence of emulgent OP. The nonionic surfactant OP used as a stabilizer greatly improved the stability of the system.

本文研究了在非离子表面活性剂乳化剂OP存在下，雷氏盐浊度法测定汞的试验条件，采用乳化剂OP作为一种稳定剂，使体系稳定性显著提高，分析条件易于控制。

Spectrophotometric Determination of Available Iron in Soil and Total Iron in Plant with Potassium Thiocyanate in the Presence of Emulgent OP aod 1, 10-Phenanthroline

乳化剂OP和邻菲啰啉存在下硫氰酸钾分光光度法测定土壤有效铁和植物中的铁