So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.
采用百里酚蓝-甲酚红、溴甲酚绿-甲基红混和指示剂效果较差。
So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.
采用百里酚蓝-甲酚红、溴甲酚绿-甲基红混和指示剂效果较差。
(3) is tasted originally for weak base, can fluid of alkalify make water, adjust uric fluid acid-base value, be helpful for antibacterial content producing effect.
(3)本品为弱碱,能碱化尿,调节尿酸碱度,有利于抗菌药作用。
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.
采用精制棉经过碱化、醚化得到高取代度且取代基均匀分布聚阴离子纤维素产品。
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