我们使用百里酚钠次溴酸钠作为显色剂。
溴百里酚蓝钠盐水溶液;
苯酚、间甲酚和百里酚由于光谱重叠严重,用常规的分析法较难直接检测。
It is difficult to determine the mixtures of phenol, m-cresol and thymol directly by routine analytical method since their fluorescent spectra are overlapped closely.
以百里酚兰为指示剂,用氢氧化钠标准滴定溶液测定植物油中游离脂肪酸。
To determine the free fatty ac id in vegetable oil with NaOH's standard titration solution, using Thymol Blue as its indicator.
[方法]以百里酚兰为指示剂,用氢氧化钠标准滴定溶液测定植物油中游离脂肪酸。
[Methods] to determine the free fatty ac id in vegetable oil with NaOH's standard titration solution, using Thymol Blue as its indicator.
百里酚及其混合物的抑螨率超过了90%,对蜜蜂危害较小,长期使用后残留量很低。
Mite mortality is over 90% when these formulations. In addition, residues of them in honey are low, even after long term treatments.
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.
目的建立云威灵药材中百里香酚的含量测定方法。
Objective To establish a quantitative method for determining the content of thymol in Inula nervosa Wall.
本文研究了用镉-甲基百里香酚蓝-溴化十六烷基三甲基铵三元络合物光度测定镉的反应条件和络合物组成。
In this paper the condition and composition of the ternary complex for determination of cadmium with Cd-methyl thymol blue-cetyl trimethyl ammonium bromide have been put forward.
本文研究了用镉-甲基百里香酚蓝-溴化十六烷基三甲基铵三元络合物光度测定镉的反应条件和络合物组成。
In this paper the condition and composition of the ternary complex for determination of cadmium with Cd-methyl thymol blue-cetyl trimethyl ammonium bromide have been put forward.
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