00366nam a2200133 a 450000500170000000800410001702000150005804100080007308200110008110000200009224500570011226400460016930000170021520260717092201.0260717s1999    ii            000 0 eng d  a0471246670  aeng04a543.021 aFritz, James S.10aAnalytical Solid-Phase Extraction /cFritz, James S. 1aCanada :bJohn Wiley & Sons Inc.,cc1999.  axiii, 209 p.