��a�Uˮ̎��

��r�g��2008-09-08 10:58 ��Դ�� : ��x��1164

        ��(�W��2,2-��׻�-1,3-��QNPG)��Ҫ��ڸߙn��֬��a,��ռ��M��75%��߀��ڝ��,��܄�,��Ԫ��ȼ��,��t(y��)ˎ��rˎ��,��S��˂��(ji��)��,��h(hu��n)��߹̺��Ϳ��,��NPG��,��NPGһֱ��L��M��,��؄e�ǽ��܇�ИI(y��)ʹ�øߙn��ĩͿ��,��ʹ��M��30%��L�ٶȼ��b��@�N��r,��Ⱥܶ��P��I(y��)Ͷ�Y��O��aԓ�aƷ,��

        NPG��I(y��)��a·��Ѓɗl,��u��·��ͮ��ȩ·��,��Ŀǰ��⹤�I(y��)��aNPG��Ͼ��î��ȩ·��,��Ԯ��ȩ,��ȩ��ʼԭ��,��A�Դ߻��߻��s��g�w2,2-��׻�-3-�u��ȩ(�׷Q�u��ȩ,��QHPA),��߀ԭ��NPG,��HPA��߀ԭ�ķ��м�ȩ�绯�ʹ߻��Ӛ䣬�ʹ�ˇ��ַ��绯��,��Ӛ䷨�ɷN��

        �绯��ָ��ȩ,��ȩ��Һ�A(30%-40%NaOH��Һ)�߻��,��ȿs��HPA��ڏ��A�ԗl��,��HPA�c��ȩ�l(f��)��Cannizzaro�绯��,��HPA��ȩ߀ԭ��NPG��ȩ�t��ɼ��,��Һ�A�кͳɼ��c,��

        �绯��ˇ�У�һ�㹤ˇ��74%��,��a�^��Юa��һЩ����c�ȸ��a��,��绯��ˇ��ԭ�ώ��M��ˮ,��Ҿ��ƕr��Ҫ��ˮ��ȡҺϴ��x��c,��ʮa��^��Uˮ,��ԓ��a�Uˮ��Ⱦ�̶ȷǳ��,��ٸߝ��ЙC�Uˮ,��˱��o�h(hu��n)��,��˾�M��a�Uˮ�M��̎��,��̎��_��ҡ��ˮ�C��ŷŘ˜ʡ�(GB 8978-1996)��˜�,��

����D�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��ע�e�`��ַ��ĺϷ��,��Ո��߳֙��C��c��W(w��ng)(li��n)ϵ,��҂��r��,��h��,��x�x,��