�۱�ϩ��̼�w�S��a(ch��n)��軯��U��Ó��

��r�g��2011-12-05 14:55 ��Դ��ʯ�ͻ��g(sh��)�c��(j��ng)�� : ��x��3219

�۱�ϩ��( PAN) ��̼�w�S��20 ��o60 ��l(f��)չ��һ�N��͸߿Ƽ��o�C�w�S��,��и߱ȏ��ȡ��߱�ģ��,��͸ߜ�,��͸��g��ƣ��,��(d��o)�,��һϵ�Ѓ�(y��u)��ܣ��ڵ��͵ĸ��w�S,��Ŀǰ,��PAN ��̼�w�S�яV��(y��ng)�õ��պ��,��܇,��(ji��)�ܹ��̡��߼��w��Ʒ��I(l��ng)��,��Ҫ�đ�(zh��n)��Ի��A(ch��)��,��̼�w�S�A(y��)��̼��^��У��l(f��)��һϵ��Ó��,��,��h(hu��n)��ѽ�,��(li��n)�s�۵ȏ�(f��)�s�Ļ��W(xu��)��(y��ng),��a(ch��n)��U��,��軯��( HCN) ��( NH3 ) ,��һ��̼( CO) ,��͵��ж��к��|(zh��)��1 �� 2�ݣ��a(ch��n)܇�g��܇��h(hu��n)��ɇ��ص��Ⱦ,��O��Σ��˂��w��,��؄e��HCN��ڟo�C��|(zh��),��L��w�e��ȵ�HCN ��(d��o)��(j��ng)˥��Ƥ��ȰY��,��҇��]�l(f��)�ԏU��Ї��ŷ�Ҫ��,��a(ch��n)�S�ұ�횲�ȡ��(y��ng)�Ĵ�ʩ��a(ch��n)�^��Юa(ch��n)��к��U��M��,��_��Ҵ��Ⱦ��ŷŘ˜ʣ�3��,��̎��ԭ��Ϳ��Ե�ҕ�ǣ��B��շ�,��,��ȼ��3 �N�U��̎��҇�PAN ��̼�w�S��a(ch��n)�S��U��h,��҇�̼�w�S��a(ch��n)��,��

1 ԭ��B

1. 1 ��շ�

��շ��ǌ�HCN �U��ͨ��Na2CO3 ��Һ��CN �� Һ,��ٌ�CN �� Һ�D(zhu��n)��o��,��o��|(zh��)��Ȼ��M��ŷ�,��(j��)��պ�CN �� Һ��̎��,��ɷ֞��Ӊ�ˮ�ⷨ,��A��Ȼ��,��

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