1) H_2O_2 spectrophotometry
过氧化氢比色法
1.
Aqueous solution as collector is used to collect nano-TiO_2 in the producing workshop air, and the methods determining nano-TiO_2 contents in water are built, including: ultraviolet spectrometry, H_2O_2 spectrophotometry, the diantipyrine methane spectrophotometry.
本文主要针对水溶液吸收法采集生产车间空气中的纳米级TiO_2粉尘,建立测定水样中纳米TiO_2含量的方法,包括:紫外分光光度法,过氧化氢比色法和二安替吡啉甲烷比色法,对各方法的测定条件进行了优化并比较了三种方法的优劣。
2) hydrogen peroxide process
过氧化氢法
1.
The production processes of hydrazine hydrate mainly comprise raschig process, urea process, ketazine process and hydrogen peroxide process.
水合肼的生产工艺主要有拉西法、尿素法、酮连氮法和过氧化氢法 4 种,前 2 种方法存在设备投资和能耗较高等缺点,在国外已较少使用。
3) alkaline hydrogen peroxide method
碱性过氧化氢法
4) measurement of hydrogen peroxide
过氧化氢测定法
5) hydrogen peroxide freezing process;Tallalay process
过氧化氢冷冻法
6) NaNO2-Al(NO3)3-NaOH coloration system
硝酸钠-硝酸铝-氢氧化钠比色法
1.
Method:Three extraction methods,Soxhlet extraction,ultrasonic treatment and microwave pre-treatment,were compared with;the content of the total flavones was determinated by means of the NaNO2-Al(NO3)3-NaOH coloration system.
方法:比较以索氏提取法、超声波提取法和微波辅助提取法3种方法提取阔叶十大功劳叶与花中总黄酮,用亚硝酸钠-硝酸铝-氢氧化钠比色法测定总黄酮含量。
补充资料：过氧
过氧
guòyǎng
[peroxy-] 含有过氧物的特征基-o-o-
例:过氧焦硫酸盐
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条