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ժҪ: ��늽�늝B��ķ��̎��͉A��е�NaOH , ʹʣ��ďU��Һ��M(j��n)һ��̎��, ��͌��h(hu��n)��Ⱦ��Ƶ�늽��M(j��n)��늽�늝B��, ꖘO�Ҟ��͉A��, ꎘO�Ҟ�ˮ, 늉��5 V,��߀�о��늘O��ϵ�Ӱ�,��Y(ji��)��, ʹ��늽�늝B��Ԍ�NaOH ��ꖘO�D(zhu��n)�Ƶ�ꎘO, ��(d��ng)�b��ꖘO�Һ�ꎘO�ҵ�Һ�w�w�e�ஔ(d��ng)�r, ꎘO��Һ�е�NaOH �|(zh��)��?j��n)?sh��)��_(d��)��4. 4 %; ��QꖘO�ҵĉA��, ��ʹꎘO��Һ�е�NaOH �|(zh��)��?j��n)?sh��)�_(d��)��12 %��K��ꖘO,��懞�ꎘO��늽�۾��õ�늽�늝B��Ч��, �,��U�Ȳ��ϲ��m��ꖘO��ϡ��о�߀�l(f��)�F(xi��n), �ߜز��ډA��늽�늝B��M(j��n)��, �m�˵�늽�늝B��ضȞ鳣��; 늘O�c�x��Ĥ֮�g�ľ��xԽСԽ��늽�늝B��Ч��,��

�P(gu��n)�I�~��A��; 늽�; 늝B��; NaOH ; ��

��ʯ�͟��^��, ��ͺ��һ�㶼Ҫ��(j��ng)�^�Aϴ��Ó��е��|(zh��),��Aϴ��5 %��20 %��NaOH ��Һ�c��ͻ��ͻ��, ��ͻ��е��|(zh��)�ܽ⵽NaOH ��Һ��, Ȼ��x, �SNaOH ��Һ�ų��b�á��ų��NaOH ��Һ�׷Q�A��U�AҺ, ��؏�(f��)��, �ɟ��͏S�ų��S��ɂ��w��(j��ng)�I��S��ȡ�h(hu��n)��ʯ�ͷ�[1 - 4 ] ,��ɲ��͉Aϴ�ďU�AҺ��ȡ�h(hu��n)��, һ��ጢ�U�AҺ�к�, ��еĭh(hu��n)��(��) ��ͱ�͏U�AҺ��x, ʣ��ĺ��,��ͺ��}(Na2 SO4 ) ��ˮ�ŷŵ��Ӻ��, ��(y��n)��Ⱦ�h(hu��n)��͉A��ȡʯ�ͷ�, ��ȡ�^��c��͉A��ȡ�h(hu��n)��, ��͉A��ʯ�ͷӵĺ��, ��҉A��, ��Ա�횼��к�, �@�ӾͼӴ��˳ɱ�,��ˏS�Ҵ�಻Ը�ӹ��͉A��, ��ˮ�ŷ�,��͉A��к��д��Ⱦ�h(hu��n)��|(zh��), ��ܶ��°��, ��˟��͏S�ŷŉA��ֱ�ӻ��g�ӵ��γɭh(hu��n)��Ⱦ,��͉A��NaOH �ĺ��ܸ�, ��_(d��)��5 %��, �@��NaOH ��, ��Ԟ韒�͏S��(ji��)ʡ�ܴ�һ��M��; ͬ�r��NaOH ��Ժ�, ��Ԟ�ӵĻ��ս��ͺܶ�ɱ�, �@��ڽ��͉A��ֱ��ŷ��ɵĭh(hu��n)��Ⱦ��Ҫ�Ľ�(j��ng)��(j��)�ͬF(xi��n)��x��

늽�늝B��g(sh��)�ǽ��l(f��)չ��, ��Ҫ��ЙC(j��)�ϳ�,��ˮ̎��ˮ��[5 - 9 ] ��,��늽�늝B��g(sh��)��͉A��е�NaOH �Пo�о��,��ڱ��о��, �P��늽�늝B��ķ��͉A��е�NaOH(��о��Y(ji��)��ѫ@�Ç��Ұl(f��)��, ��̖: ZL200410024458. 7) , NaOH ��؏�(f��)��, ��͵ķӿ��Ӿ��Ƶ�ԭ��,��

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