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��ѧ��ҵ�빤�� 1998, Vol. 15 Issue (2) :52-55    DOI:
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2-����-6,8-������ϳ��о�
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Study on Synthesis of ��2-Amino-Naphthalene-6,8-Disulfonic Acid����
��Liu Fude Ge Ming Zheng Sihua��
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Abstract�� ?-Amino-naphthalene-6,8-disulfonic acid has been synthesized by amination of 2-naphthol-6,8-disulfonic acid dipotassium salt at relatively low temperature(140��)and low pressure(1-4MPa)with a yield about 100%. The factors which can affect the reaction have been investigated. It is found that while the reaction temperature, the amount of ammonia or NaHSO_3, the ratio of ammonia to 2-naphthol-6,8-disulfonic acid dipotassium salt and the concentration of ammonia increase, the reaction rate becomes faster.����
Keywords�� G salt-2-Amino-naphthalene-6   8-disulfonic acid -amination����     
Received 1998-04-15;
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������,����,֣�û�,ʩ־��.2-����-6,8-������ϳ��о�[J].  ��ѧ��ҵ�빤��, 1998,15(2): 52-55
��Liu Fude Ge Ming Zheng Sihua��.Study on Synthesis of ��2-Amino-Naphthalene-6,8-Disulfonic Acid����[J].  Chemcial Industry and Engineering, 1998,15(2): 52-55
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