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«�,_ �3.� �'4�... _"�3 irf w•�P k' � � ,�,,,yy'^.r.P �� �'�C9 Lia� � i� � �"-�� ���_- �gs''l�+��' _ y -�F A <br /> v.�h"' 4h 3 F.. Y 'Y5 4i�' •�}'; aY^!.Y�f a_t SfjN.. .4•. �.b ,.t�i`y T+' r '�n a <br /> F •; <br /> TABLE 1 <br /> SPECIFIC EXTRACTION CONDITIONS FOR VARIOUS DETERMINATIVE METHODS <br /> Exchange Exchange Uolumc• <br /> Final <br /> solvent solvent of extract extract <br /> volume <br /> required required requires vofor <br /> for for <br /> Determinative Extraction for anal is (:T11.)method PHanalysis cleanup cleanup (mL) y' <br /> hexane 1.0 1.0, 10.Oh <br /> 8040 as received 2-propanol10.0 <br /> 8060 as received hexane hexane 12,0 10.0 <br /> 8060 as received hexane hexane 2 0 1,0 <br /> 8090 as received hexane hexane 1 0 <br /> 8100 as received none cyclohexane 2.0 1,0 <br /> 8120 as received hexane hexane 10 0 <br /> as received hexane hexane 10.0 <br /> 8140 1.0 <br /> 825CP,c as received none - 1.0 <br /> 8270�',c as received none 1.0 <br /> $310 as received acetonitrile <br /> a To obtain separate acid <br /> and <br /> base /neutralhe extract textracts, Me hod 3650 should be performed <br /> following concentration <br /> b Phenols may be analyzed, by 4ethod 8040, using a 1.0 mL 2-propanol extract by <br /> GC/FID. Method 8040 also contains an optional derivatizatian procedure for phenols <br /> which results in a 10 nil. hexane extract to be analyzed by GC/ECD. <br /> c The specificity of GC/M5 may mane cleanup of the extracts unnecessary. Refer to <br /> Method 3600 for guidance on the cleanup procedures available if required. <br />