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xin yan fa ti qu gu an suan
Author(s): 
Pages: 14-18
Year: Issue:  4
Journal: FAJIAO KEJI TONGXUN

Keyword:  谷氨酸含量谷氨酸锌溶解度谷氨酸发酵液锌盐金属盐等电点法提取丙酮酸锌离子;
Abstract: <正> 谷氨酸某些金属盐的溶解度很小,若往谷氨酸发酵液中加入某金属盐,便可使谷氨酸与金属盐生成难溶的谷氨酸金属盐沉淀析出。如图1所示,谷氨酸的锌盐在PH6.3,铜盐在PH值4~6、钴盐在PH8.0时的溶解度
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