So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.
采用百里蓝-
红、
绿-
基红混和指示剂的测试效果较差。
So the mixed indicator of phenolphthalein with alizarin red-methyl red could be used as the new indicator for the alkalify water determination.
采用百里蓝-
红、
绿-
基红混和指示剂的测试效果较差。
(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,能
尿
,调节尿
酸
度,有利于抗菌药物发挥作用。
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、
得到高取代度且取代基均匀分布的聚阴离子纤维素产品。
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