blackhawk72
Gà con
Nhờ bạn xem giúp link này với ạ. Cám ơn trước
Separation and purification of carthamine from carthamus tinctorius by acetone-ammonium sulfate aqueous two-phase system--《Chemical Research and Application》2007年06期
A kind of simple aqueous two-phase system composed of acetone,inorganic salt and water was used to separate and purify carthamine from safflower petals.Experimental results show that(NH4)2SO4 has the stronger phases-forming ability than K2HPO4 and NaCl.The optimum conditions for isolating...
en.cnki.com.cn