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ժҪ�� Ȼ��V��c��턩,�� о��@�V��MAP��W(xu��)��ȥ��ģ�M�Uˮ�а��Ĺ�ˇ�l ��,��Y(ji��)�� MAP ��W(xu��)��ʼ�|(zh��)��Ȟ飵�� ~ �� mg �� L �İ��Uˮ�кܺõ��m��(y��ng)�ԣ� ��_(d��)��ȥ�� ˮ�w�иߝ�Ȱ��Ŀ��,��ʼ��,��pH ֵ��(y��ng)�ض�,��(y��ng)�r�g,��턩Ͷ�ӱ��Ȳ��l�� ȥ��@Ӱ�,�� ڌ��H��,�� Ʒ��(y��ng)�ضȞ飲�� 棬 pH ֵ�飱��,�� V,��׵��Ȟ飱�� ^�m��,�� ڴ˗l��·��(y��ng)�� min,�� ʼ�|(zh��)��Ȟ飱 �� mg �� L �İ��Uˮ��ȥ��_(d��)��

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Ŀǰ��õİ��Uˮ̎��g(sh��)��̿�� ʯ��,��՚ⴵÓ��,��Ó�� W(xu��)�� ȣ� ��ڌ��H��(y��ng)��^��,�� @Щ̎��ܵ��N�N��ص��Ƽs,�� ض��m�÷��ԡ�

��W(xu��)��̎��Uˮ�t��й�ˇ��,��̎ �팦��V��ϵȃ�(y��u)��,��ԓ��ܵ��ҕ��õ��ˇ��(n��i)��W(xu��)�ߵďV��о�,��ԭ�� Uˮ�м��턩MgCl�� Na��HPO��,��cNH�� (y��ng)��MgNH��PO��·��H��O �� Q MAP�� Ķ��F(xi��n)�ďUˮ��ȥ��Ⱦ,��

��W(xu��)��й��I(y��)��(y��ng)�õķ��,�� ˇ�l�� pH ֵ,��ˎ��,��(y��ng)�r�g�ȣ� �� ȥ��Ч��кܴ�Ӱ�,��,�� Ԍ��ģ�M ��Uˮ��о�� ϵ�y(t��ng)��N��l�� ȥ��Ч��Ӱ�,�� ָ��(d��o)��H��a(ch��n),��

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�� ԇ�ˮ�|(zh��)�c�� ö��NH��Cl��AR��w�e�� mL��NH��N ��һ��ģ�M�Uˮ,�� Ͷ�Ӷ��Na��HPO�� AR��MgCl��AR��,�� ´��һ��r�g�� ڷ��(y��ng)�^��Ý�Ȟ飵 mol �� L ��NaOH ��Һ�{(di��o) ��(ji��)��(y��ng)�wϵ��A(y��)��pH ֵ,�� (y��ng)�Y(ji��)��o��һ�Εr �g,�� ȡ��Һ�y��N��P�� Ӌ�㰱��ȥ��ʼ�ʣ ��ȵ�,��

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�D��ʾ��ʼ�|(zh��)��ڣ�� mg �� L ��(n��i)׃��r��Ч��Ӱ�,�� ԇ�̶��l�� ضȞ飲�� ,��pH ֵ�飱�� ӱ��n��Mg�� n��N�� n��P�� ,��(y��ng)�r�g�� min��

�D1 ��ʼ��ȵ�Ӱ�

�D��,�� (d��ng)��ʼ�|(zh��)��Ȟ飵�� mg �� L �r,�� ȥ��ǣ�� S��ʼ��ȵ�� ,�� ȥ��u��,��ɴ˿�Ҋ��MAP �� W(xu��)��̎��Uˮ�r��ʼ��ЏV��m ��ԣ� ��m��̎��߰��ȏUˮ,��ͬ�rҲ�� ,�� (d��ng)��ʼ�|(zh��)��ǣ� �� mg �� L �r�� ʣ �ఱ��|(zh��)��Ȟ飱��mg �� L,�� ʼ�|(zh��)��Ȟ� �� mg �� L �r,�� ʣ�ఱ��|(zh��)��Ȅt��ߣ� �_(d��) �� mg �� L,�� @�@Ȼ��_(d��)��ŷŘ�(bi��o)��(zh��n),��J(r��n) �飬 ��]��﷨�o��m��(y��ng)�ߝ�Ȱ��Uˮ��ȱ �c,�� MAP ��W(xu��)��c��﷨�Y(ji��)��,�� Գ��﷨��A(y��)̎�� ߝ�ȵİ�� m��̎��ĝ��,�� ٲ��﷨̎��,��

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�D�� ʾpH ֵ��Ӱ푣� ԇ�̶��l�� ʼ�|(zh��)��ȣ� �� mg �� L,��ضȣ�� ,��턩�� ӱ��n��Mg�� n��N�� n��P�� (y��ng)�r�g��min,��

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�D�� ,�� (d��ng)��(y��ng)�wϵ��pH ֵ�ڣ�� r�� ȥ��ʳ��^��,�� ��,�� pH ֵ ��(n��i)��MgNH��PO�� ɡ��Փ�ρ� �f,�� (d��ng)pH �� r,�� PO�� ʽ��ڵı�� С,�� Ҫ��HPO�� ʽ��ڣ� �Ķ�� MgNH��PO�� ,�� (d��ng)�ڏ��A��Һ��,�� ׄt�� ɸ��y�ܵ�Mg��PO�� pH �� r,�� ߀�� γ�Mg��OH�� ,��ԇ�Y(ji��)�� pH ֵ�飱�� r,�� ȥ��,�� _(d��)�� ʣ ��ם��С,�� ˿��Һ�wϵpH ֵ�飱�� ^ ��m��,��

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�D�� ʾ��(y��ng)�r�g��Ӱ푣� ԇ�̶��l�� ĳ�ʼ�|(zh��)��Ȟ飱 �� mg �� L,��ضȞ飲�� ,�� pH ֵ�飱��턩��ӱ��n��Mg�� n��N�� n��P�� ,�� D�� ,�� (d��ng)��(y��ng)�r�g�飱�� min �r�� ȥ ��_(d��)��,�� (y��ng)�r�g�ɣ�� min ��L�� min,�� ȥ��ʎ׺��]��Ӱ푣� ��飹�� ,��,�� ڷ��(y��ng)�M(j��n)�У�� min �� (y��ng)�ѻ� ��,�� 鱣�C��(y��ng)��,�� (y��ng)�r�g�ԣ�� min �^��m�ˡ�

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�� (j��)һϵ�І��ص�ԇ�Y(ji��)��ó��(y��u) ��ˇ�l�� (y��ng)�ضȞ飲�� ,�� pH ֵ�飱��,�� V��,��׵��Ȟ飱.�� .��,��ڴ˗l��̎�� ʼ�|(zh��)��ȣ� �� mg �� L �İ��Uˮ�� (y��ng)�� min,�� |(zh��)��ȿɽ�� mg �� L,�� ȥ��_(d��) �� ʣ��׵��|(zh��)��Ȟ飹�� mg �� L��

�� MAP ��W(xu��)��̎��ߝ�ȵİ��U ˮ�r�кܺõ��m��(y��ng)��,�� з��(y��ng)�ٶȿ�,�� ȫ��εȃ�(y��u)�ݡ�

�� MAP ��W(xu��)��֮̎�ǳ�� ˎ��}��V�}��{(di��o)��(ji��)pH ֵ�ĉA�r��^�F,�� ʹ �Ì��H��(y��ng)�Õr̎��ɱ��߶��Ƽs�䑪(y��ng)��,�� һ�� c��(y��ng)�ǽ�Q��턩��ѭ�h(hu��n)ʹ�Æ��}�� Խ��̎��ɱ�,��

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