ˮ̎��O��ԇ� �x�ӽ��Q�O�� GB/T 13922.2-92

��r�g��2007-12-21 09:44 ��Դ�� : ��x��5091

1,��}��c�m�÷��

��˜�Ҏ(gu��)��x�ӽ��Q�O��ԇ��Ҫ�󡢜y��ԇ��ʽ,��
��˜�ԇ�Č��׷N��ʽ��x�ӽ��Q�O��,��ɸ��̎��̵��Ҫ��΂��O��ܜyԇ,��Ҳ�Ɏׂ��M��yԇ,�,��
��a.��x�ӽ��Q�O�䣻��.
��b.��x�ӽ��Q�O��,��
��c.��c�x�ӽ��Q�O��,��
��d.��ꎡ�ꖻ��x�ӽ��Q�O��,��

2,��x�ӽ��Q�O��ԇ��y��Ŀ

��1��c�x�ӽ��Q

��}��V,��,��Ҹ����F

����2��—�c�x�ӽ��Qϵ�y(t��ng)

��Һ��Һ
��Ӳ�ȡ��Ӳ��
��ȡ��A��
��A��ȡ��pHֵ
��Ҹ��
��ᡡ��
��F
��pHֵ

��3.1��x�ӽ��Q��(��b��ͻ��x�ӽ��Q��֬,��,��Ӵ�,��b��,��͘�֬��Ҵ�)

��Һ��Һ
��Ӳ�ȡ��Ӳ��
�� c��c
��ȡ��pHֵ
��Ҹ����늌��
��⛡��̼
��F��

��3.2 ��A��x�ӽ��Q��

��Һ��Һ
��A��ȡ��A��
��ЙC���늌��
��ᡡ�ȡ� pHֵ
��
��Ҹ��
��pHֵ

��3.3��A��x�ӽ��Q��

��Һ�� Һ��
��A��ȡ�� A��
��ЙC���
��ȡ��늌��
�� pHֵ
��ᡡ��
��Ȼ��
��̼
��pHֵ

��ˮ(��Ñ��ˮ)�c�x�ӽ��Q��
��Һ��Һ
��Ӳ�ȡ��Ӳ��
��늌��ʡ��F
��F��Ҹ��
��~��늌��
��Ҹ��
��,��pHֵ

��3.4 ��Yˮ�촲(��ͨ�촲�Ͱ��촲)

��Һ��Һ
��
��c��c
��~��Ȼ��
��늌��
��Ȼ����
��늌��ʡ��F
��衡 �~
��pHֵ�� pHֵ

��3.5��x�ӽ��Q��ָ�b��,��x�ӽ��Q��֬�Ĺ̶��Ӷ��Ҵ��

��Һ�� Һ
��A��ȡ��
�� 늌��
��ȡ�� Ȼ��
��PHֵ��PHֵ

4 �y��

��4. 1 ��y��ķ��ע��,��˱��ѭ��Ҫ��
��4.2��y��
��4.2.1��y��
��4.2.1.1��ͨ��س̰��b�ĉ��Ӌ,��Ӌ�M��x�ڽ��Qϵ�y(t��ng)��ĉ��Ĝy��
��4.2.1.2��һ�O��ǧ�O��M�ɵ�ϵ�y(t��ng)�ĉ��pʧֵ,��É��Ӌ��һ��׵�,��У�ʵĉ��Ӌ�M�Мy��һ��Ӌ,��t��˰��b��ͬһ�߶�.�Ա��⌦��ͬ�o��^��,��ͬ�r�x��M��ډ��,��
��4.2.1.3��m��x��Ӌ��,��Ӌ��һ�㑪��ָʾƽ��ֵ��1.5—2��
��4.2.1.4��Ӱ푉��Ĕ�ֵ,��ԇ�ǰ��һ��ͬ��ԇ��һ�N��߀�ǎ׷N��,��
��4.2.1.5��O��pʧԇ򞣬��회��y�c��M�ڼ��ڹܵ��,��
��4.2.2��y��
��4.2.2.1��_��x�ӽ��Q�O��ķ�ϴ��ϴ��\��,��x�ӽ��Q�O��M�ڹ�·�ϰ��b��Ӌ��y��,��
��4.2.2.2��С�͵��x�ӽ��Qϵ�y(t��ng)�У��]�а��b��Ӌ��Ԍ�ˮ��x�ӽ��Q�O��—��ԇ��һ��̶��,��Ȍ��|��y��֌��w�e�y��,��Դ_��
��4.2.2.3��_��y��,��ԓ��—��ݷe��У�ʵ��,��y��ÿһ�r�g�g϶�м��x�ӽ��Q�O��Һλ�½��ٶȣ��Ҳ��õ��w�e��͕r�g,��Y��ĝ�ȷ��_��,��
��4.2.3��ضȜy��ɲ��ó�Һʽ��ض�Ӌ��

��4.2.4��֬�w�e�Ĝy��·��M�У�

��O��ϴ10 min,��֬��Û��50��,��_��՚��T��o��5��10min,��ʹ��֬��Ȼ��,��Ȼ��ʹ��ڴ�≺��ˮ��ˮ��Բ��^1 kg��s·m2��,��ֱ��O��Һ��ژ�֬l0cm��,��ٜy��֬��ȡ�ע�ⲻҪ��_�Ә�֬��,��Ӌ��֬��w�e,��ӛ��횘��֬�ΑB(t��i)(Na�͡�H��,��OH��),��

��4.3��W�y��

��4.3.1��M��x�ӽ��Q�O��ˮ�ӵĲɼ��W�Ŀ�Ĝy��GB 6903��6913��ԭ��A��񹲺͇�ˮ��“��l(f��)늏Sˮ,��ԇ򞷽��(1984)”�M��,��

��4.3.2 ��ԇ��ǰ��֬�M��һ�_��Ƿ��OӋҪ��,��ă��ݞ飺
��a��ˮ��,�� %
��b�Q��
��c��ܶ�
��d ��ҕ�ܶ�
��e��

��Ҳ�ɸ��Ҫ�y��

��4.3.3 �Ϲ�(ji��)��Ĝy��˜��M�У�
��GB5757~5760,��GB5475,��GB8330��GB8331,��GB8144

��f��
��˜��A��񹲺͇��Cе��ӹ��I(y��)��,��
��ˮ�˜��əCе��ӹ��I(y��)��Ϻ��l(f��)��O��ײ�֭�о��w�ڡ�
��˜��ɟo�a偠tˮ̎��O��о��ؓ؟��,��
��˜��Ҫ��S��,��,��