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1. ��򞲿��

1.1 �x��ԇ��

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1.2 ��Ʒ�Ƃ�

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1.3 ��߲��l��

        ��̖��Trap3# (Tekmar) ,��5mL��߹ܣ��߼��ⴵ��40ml•min-1,��ߕr�g��11min,��⸽�ض�220�棬�⸽�r�g2min,��r�g2min,��

1.4. ɫ�V�l��

        ��ɫ�V�M�ӿڜض�200�棬��M��,��M��5mL,��Ȟ�50��1��ɫ�V��HP-5��30m×0.32mmi.d. ×0.25μm��,�� ,��d�⣺��⣬��≥99.999%,��2.4ml/min,��β��30ml/min��z�y��(ECD)�ضȣ�250��,��

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2. �Y��cӑՓ

2.1. ��ľ��

�Է��e��Y��c�|(zh��)��(X, μg•L^-1)��D,��4�N��u��3�N�u��N��һ��Է��(n��i)��õľ��Pϵ,��Ȼ�̼(CCl⁴)�ľ��Է��խ��0.040~8.00μg•L^-1��ϩ(C₂Cl₄)�ľ��Է��Σ�0.071~19.8μg•L^-1��,��5�N��ﶼ��^��ľ��Է��,��1�_��7�N��ľ��Է��̺;��Է��Է��ޞ鶨��ޣ�Limit of Quantitation, LOQ��,��һ��Ԯa(ch��n)��10��ԇ��հ׵Ę˜�ƫ��̖��ĝ��,��

��1��u��u��N�ľ��

��	R��r�g/min	�ؚw��	��Pϵ��(sh��) (r)	��Է��/μg·L^-1
�ȷ�	1.96	Y=1757.48-142.61x	0.99952	0.224~92.0
��Ȼ�̼	2.28	Y=9667.55-1663.48x	0.99387	0.040~8.00
��ϩ	2.65	Y=1524.38-57.04x	0.99964	0.257~39.6
һ��ȼ��	2.74	Y=10093.40-200.35x	0.99991	0.022~35.2
��һ�ȼ��	4.05	Y=8578.07+96.90x	0.99992	0.037~78.8
��ϩ	4.26	Y=6350.93-523.92x	0.99825	0.071~19.8
��	5.29	Y=2690.43-169.22	0.99949	0.035~39.2

2.2. ��z�y�޺;��ܶ�

��(j��)��EPAҎ(gu��)��y��z�y�ޣ�MDL��͝�ȵĘ˜ʵ�ԇ��հ��,��؏Ͷ�Μy��˼Ә˘�Ʒ,��ڰ��Ӌ�㹫ʽ��MDL��򞽛(j��ng)�^��ԇ�,��K�_��¼Ә˝��^��M��Ҫ��ȷ�0.767μg•L-1,��Ȼ�̼0.300μg•L-1��ϩ0.330μg•L-1,��һ��ȼ��0.088μg•L-1,��һ�ȼ��0.197μg•L-1��ϩ0.165μg•L-1��0.327μg•L-1,��Ә˻��88.0%~114.4%֮�g,��ܶ�С��5%��Ә�ԇ�Ӱ��Ռ�򞷽��y��8��,��Ӌ��yĿ��Ę˜�ƫ��S,�� (j��)��Ϲ�ʽ�ó�MDL,��Y��Ҋ��2,��ɽY��Ҋ��߲��-ɫ�V��z�y��u��u��N�`��ȘO��,��z�y�޿��_��10~100ng/L,��h�h��ڇ��l(w��i)��Ҏ(gu��)��픿՚��ɫ�V��͙z�y�|(zh��)��ȡ�

��ĳˮ�SȡˮԴˮ,��Sˮ��һ��,��l��M�Мy��ͬ�r�M�мӘ˻��Ռ��,��Y��Ҋ��3,��88~114.4%֮�g��M�㶨��Ҫ��,��Y��,��Ȼ�̼(CCl4) ,��ϩ(C2HCl3)�� ϩ(C2Cl4)��N��ˮԴˮ�д��,��ڻ��ڳ��Sˮ,��ԓ��ɭh(hu��n)��Ⱦ��ЙC�u��N��ȷ�(CHCl3),��һ��ȼ��(CHBrCl2),��һ�ȼ��(CHBr2Cl)��(CHBr3)�ڳ��Sˮ�еĺ��h�h��ˮԴˮ��ˮ��ĸ��a(ch��n)��,��z�y�Y��c��Փ��һ�¡�

��3��H��Ʒ��Y��

		�ȷ�	��Ȼ�̼	��ϩ	һ��ȼ��	��һ�ȼ��	��ϩ	��
��Sˮ	�y��/μg·L^-1	5.38	0.29	0.34	2.41	0.69	0.12	0.13
	�Ә��/μg·L^-1	11.50	1.50	4.95	4.40	9.85	2.48	4.90
	�y�ÿ��/μg·L^-1	17.30	1.61	5.89	7.33	11.96	2.87	5.15
	��%	103.7	88.0	112.1	111.8	114.4	111.1	102.4
ˮԴˮ	�y��/μg·L^-1	0.60	0.29	2.31	0.08	0.03	0.11	0.00
	�Ә��/μg·L^-1	23.00	3.00	9.90	8.80	19.70	4.95	9.80
	�y�ÿ��/μg·L^-1	22.27	2.96	13.61	8.85	20.58	5.61	9.82
	��%	94.2	89.0	114.1	99.7	104.3	111.1	100.2

��2 ��u��u��N�ķ��z�y�޺;��ܶ�

	�ȷ�	��Ȼ�̼	��ϩ	һ��ȼ��	��һ�ȼ��	��ϩ	��
�Ә˝��/μg·L^-1	0.767	0.300	0.330	0.088	0.197	0.165	0.327
�y��ƽ��ֵ/μg·L^-1	0.826	0.312	0.364	0.100	0.167	0.200	0.369
�˜�ƫ��	0.018	0.007	0.016	0.003	0.003	0.009	0.003
RSD%	2.2	2.2	4.5	2.8	1.6	4.3	0.7
��%	107.7	103.9	110.3	113.9	84.8	121.5	112.8
��z��/μg·L^-1	0.083	0.032	0.075	0.010	0.009	0.040	0.012
�īI[6]��z��μg·L^-1	0.6	0.3	3.0	1.0	0.3	1.2	6.0