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��r(sh��)�g��2014-02-17 18:43 ��Դ��һՓ�� : ��x��2437

ժ��Ҫ�� S��ʳƷ�l(w��i)��,�h(hu��n)��o(h��),��ˮ��ȫ�Ȇ��}�Ĳ��F(xi��n),��Ԫ��(��,��,��U)�ȵľ��_��ٵęz�y��ܵ��ҕ��ɞ�h(hu��n)��O(ji��n)�y�еă�(y��u)��(xi��ng)Ŀ,��,�仯��ԭ�ӟɹ�ֹ��ȷ��`��ȸ�,��,�x��Ժ�,��c(di��n),�ں��I(l��ng)��õ��ˏV��(y��ng)��,��ԭ�ӟɹ��g(sh��),��(du��)ˮ��Ʒ�е��͹��Ĝy��M(j��n)��̽��

�P(gu��n)�I�~��h(hu��n)��O(ji��n)�y;ԭ�ӟɹ��ȷ�;��;��

ˮ��c��Ĝy��, Ŀǰ��зֹ��ȷ�,��ԭ��չ��V��,��ԭ��շ��ԭ�ӟɹⷨ�ȶ�N��. ԭ�ӟɹⷨ��`��ȸ�,��z��޵�, �m�϶�Ԫ��ͬ�r(sh��)��, Խ��Խ�ܵ��O(ji��n)�y��T��ҕ. ��ͬ�r(sh��)�y��ɂ�(g��)Ԫ��, ��ښ��Һ��ɔ_, ��ͬ�r(sh��)�y��ɂ�(g��)Ԫ�ؽ�(j��ng)��F(xi��n)һ��(g��)��(zh��n)�_, һ��(g��)��(zh��n)�_, ��ɂ�(g��)��̫��(zh��n)�_��r. ��(j��ng)�^��Ό�(sh��)�(y��n), ̽��AFS-930�p��ԭ�ӟɹ��Ӌ(j��)��ͬ�r(sh��)��c��ķ��, �յ��˝M��ĽY(ji��)��,��

1. ��(sh��)�(y��n)��

1.1 ԭ��

ԓ��ķ��ԭ��ǣ��-��ԇ��}��Ʒ,��Ȼ��ԗl��,��仯⛌��Ʒ�е��߀ԭ��黯�䣬��߀ԭ��ԭ�ӑB(t��i)��,��⌢�䌧(d��o)��ʯӢԭ�ӻ��,��ƿ��ꎘO��l(f��)��ض��⾀��£�ԭ��̎�ڻ��B(t��i)��

��S�w��^�ߵ��ܼ�(j��)��,��ڻص��^��ܼ�(j��)��^��ݗ��ԭ�ӟɹ�,��ɹ�ď�(qi��ng)��cԭ�ӵĝ��(��KBH4+3H2O+HCI→H3BO3+KCI+8HEHn+H2↑(�^ʣ)Һ�б��yԪ�صĝ��)��ȡ�

ʽ��E��γɚ仯��Ԫ�ص��x��;m��Ե��ڻ򲻵��n,��

1.2 ��Ҫ�x��ԇ��

1.2.1 �x��

(1)AFS-930��ԭ�ӟɹ��Ӌ(j��)(��x��޹�˾);

(2)��ꎘO��;��ꎘO��;

(3)�߼��( ≥99. 99% ) ,��

1.2.2 ԇ��

(1)��(sh��)�(y��n)��ˮ��o�顢��ȥ�x��ˮ;

(2)�d��5%�}��(AR��(j��))��Һ;

(3)߀ԭ��0.5%��(AR��(j��))��Һ(�Qȡ0.5g�仯��ڼ�ˮ�в�ϡ��100 ml);1%��仯�(GR��(j��))��(�Qȡ1.0g��仯�,��100ml0.5%��Һ��,��)��Һ�F(xi��n)�ìF(xi��n)��;

(4)2%��Һ(�Qȡ4g��,��͜ؼӟ��ܽ��200ml��ˮ��),��F(xi��n)��F(xi��n)��;

(5)��-��(1+1);

(6)�}��(1+1);

(7)��(bi��o)��(zh��n)��(ch��)��Һ: 100mg/L;

(8)��(bi��o)��(zh��n)��(ch��)��Һ: 100mg/L;

(9)�顢��Ϙ�(bi��o)��(zh��n)ʹ��Һ: ��͹��(bi��o)��(zh��n)��(ch��)��Һϡ��As��10μg/L ,��Hg��1.0μg/L,��ÿ100ml�A(y��)��10ml2%��5ml��}�ᡣ

1.3 ��E

1.3.1 �O(sh��)��x��(sh��)

��(j��ng)�^ԇ�(y��n),��O(sh��)��x��(sh��)��1,��

�� 1�� x��(sh��)

1.3.2 ˮ��A(y��)̎��

ȡ50ml��I(y��)�Uˮˮ��100ml�F��ƿ�У��Ƶ��-��(1+1)5ml��늟��ӟ��ð�ן��,��ȡ��s,��ټ�5ml�}��(1+1)�ӟ��S��ɫ��ð�M��s��ˮ�D(zhu��n)�Ƶ�50ml��ƿ��,��,��u��,��

��ѽ�(j��ng)�^��ˮ��100ml��ɫ��У��5ml��}��,��10ml 2%��Һ,��ݓu��,��20min,��y��,��

1.3.3 �y��

�_�C(j��)��A(y��)��30min,��B�m(x��)�y��հ�,��x��(sh��)��(w��n)��M(j��n)�И�(bi��o)��(zh��n)ϵ�Мy��,��Ȼ��M(j��n)��δ֪��Ʒ�y��,��

2. �Y(ji��)��c��

2.1 ��Է��

��Ƶ��顢��Ϙ�(bi��o)��(zh��n)ʹ��Һ,��x��Ԅ�(d��ng)��M(j��n)�Мy��,��վ�ճ��z�y�Ĺ��I(y��)�Uˮ��顢��ĺ��,��Ę�(bi��o)��(zh��n)��ȷ��O(sh��)��0��10μg/L,��Ę�(bi��o)��(zh��n)��ȷ��O(sh��)��0��1.0μg/L��x��ăx��l��y��,��ľ��Է��̞飺I=119.1034×C+13.997,��P(gu��n)ϵ��(sh��)r = 0.9997;��ľ��Է��̞飺I = 455.9200×C—0.6867��P(gu��n)ϵ��(sh��)r = 0.9997,��Y(ji��)��Ҋ�D1,��

�D1�� (bi��o)��(zh��n)��D

�� 2��Һ��(zh��n)�_�Ȝyԇ�y(t��ng)Ӌ(j��)�Y(ji��)��

2.2 �z��

��(j��)�x��O(sh��)��Ĝy��z��޳��ͬ�y��l��B�m(x��)�y��հ��Һ11��,��y�ñ��͙z��As ��0.20μg/L,��Hg ��0.03μg/L�� c��ָ��(bi��o)�քe�y��Y(ji��)��ͬ,��

2.3 ��ܶ�

��(du��)As��Ȟ�4.00μg/L,��Hg��Ȟ� 0.40μg/L �Ļ��Һ�B�m(x��)�y��12�Σ�ȡ��8�Μy��ğɹ�ֵ�M(j��n)�нy(t��ng)Ӌ(j��),��y�ýY(ji��)��As��(bi��o)��(zh��n)ƫ��6.08,��(du��)��(bi��o)��(zh��n)ƫ��1.23%;Hg��(bi��o)��(zh��n)ƫ��3.24��(du��)��(bi��o)��(zh��n)ƫ��1.79%,��ɴ˿�Ҋ,��ͬ�r(sh��)�y��r(sh��)��ܶȵĽY(ji��)��˝M��ġ�

2.4 ��(zh��n)�_��

��ˮ��м��һ��As,��Hg��(bi��o)��(zh��n)��Һ,�� E̎��M(j��n)�к��y��,��Ӌ(j��)��Ә�(bi��o)��ʣ��Y(ji��)��2(�±�)��ʾ,��ɱ�2(�±�)��Ҋ,��As�ļӘ�(bi��o)��ʞ�97.5%-102.7%��ƽ��99.9%,��Hg�ļӘ�(bi��o)��ʞ�97.3%-104.5%,�� ƽ��100.1%��ɴ��f��(sh��)�(y��n)�Ĝ�(zh��n)�_��,��Y(ji��)��ǿɿ��,��

3. �Y(ji��)Փ

��AFS-930��p��ԭ�ӟɹ��Ӌ(j��)ͬ�r(sh��)�y��I(y��)�Uˮ�е��͹��в��,��,��ԇ��ٵ��c(di��n)��`��ȸ�,��z��޵�,��x�Ӹɔ_�٣��Է��,��جF(xi��n)�Ժ�,��(w��n)��ɿ��Y(ji��)��˝M��,��m��ճ��(du��)��I(y��)�Uˮ��Ʒ�ęz�y,��

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