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- W2893114350 abstract "探索了以质量分数为50%的羟基乙腈水溶液为原料,经氨化、水解、酸化合成甘氨酸的工艺.考察氨化反应温度、氨化反应时间、氨腈比等氨化反应条件及水解、酸化反应条件对甘氨酸收率的影响.实验结果表明,较好的工艺条件为:采用NH3的质量分数为25%～28%的氨水为氨化剂、氨化反应温度55～60℃、氨化反应时间1.0 h,氨与腈摩尔比4～6;NaOH溶液为水解剂,水解温度90℃至回流温度,水解时间1.0 h;H2SO4为酸化剂,酸化反应1 h;在此条件下,甘氨酸的收率可达90%以上." @default.
- W2893114350 created "2018-10-05" @default.
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- W2893114350 date "2005-01-01" @default.
- W2893114350 modified "2023-09-26" @default.
- W2893114350 title "gan an suan he cheng xin gong yi de yan jiu" @default.
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