Foodstuffs - determination of fumonisins b1and b2 in maize - hplc method with solid phase extraction clean - up 食品.玉米中b1和b2的测定.固相萃取提纯hplc法
2.
The isopropyl amine is used as extractive and purifying agent to give the final sodium borohydride with high purity and yield of 47 . 8 % 用异丙胺对产物进行萃取提纯,制得了纯度较高、收率为47 . 8 %的硼氢化钠产品。