potassium permanganate index

常見例句

The percentage of Ammoniac azote, TP, TN, Cd, potassium permanganate index and fluoride which have much effect on water quality is big and the variation tendency is great.
氨氮、總磷、總氮、鎘、高錳酸鹽指數(shù)以及氟化物等指標(biāo)在閱海濕地水質(zhì)總體評價中所占比重較大，直接影響水道水質(zhì)；
The quality of the water from Beijing to Tianjin is worse than Grade V. The key pollution indicators are ammonia nitrogen, petroleum, potassium permanganate index and volatile phenol.
北京入天津境內(nèi)水質(zhì)為劣Ⅴ類。主要污染指標(biāo)是氨氮、石油類、高錳酸鹽指數(shù)、揮發(fā)酚。
This article discusses the acidic potassium permanganate method of permanganate index from the following aspects: heating time, titrate temperature and titrate speed, end point of titration.
前言：文章對高錳酸鹽指數(shù)加熱時間、滴定溫度、速度、滴定終點(diǎn)的控制進(jìn)行了探討。