alkalify

So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.

采百-甲红、溴甲绿-甲基红混和指示剂测试效果较差。

Polynionic celluloses were preparated by alkalify and etherify of refining cotton.The degree of replacement of the polynionic cellulosesis was high.The radicals of replacement were distributed evenly.

采精制棉经过碱化、醚化得到高取代度且取代基均匀分布离子纤维素产品。