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7、10.0ml r 250mlliii!:8:JiiP ,:bnAillt.ltfll( lO + 90)90ml,:IJUAi*ilill!.il!lltRl (2. 5g/L)50.0ml, !Hft!l.l!lf( rltP ,t;!l.l!(95t:-97t:)B;tft!l.l! 15min,:bnlill!oftil!l (2.5g/L) 10. Om!, Jt:jttit:bn.!M/dlliHd: 5min, Jtiillt ttilltfllljjj;1lJtf/l(0.05Iml/L)R(tlkJt)B;t,:bnllfmltf/l(5GIL,ifllifflB;f“ftGf
8、fjlj)1ml,m ltRlffimH:JN.X,IlPAo L!.tillt:ttilltfllljjj;1lJtRlmfll:l:,t.lffJ0(2lttJI:I.IJ(I(Jlt:ft %)o 7.2 tf1!l: - 408-DB41/T320-2003 X- Fx(V0 -V)x0.09109 x 100 () - (l0.0/2SO) X m X l-x1) 1000 . 2 ;:I:;P :X-f!F.lhP ilJIIJ(I(J*t (%); F-llJ!lfalli!f WiUJ!lfallilt:(I(J l:tl; v.-5! Elfli.IIHiftfllltllJ!lfaf*.Pl; V-f!F .!LfliJIHiftfllltilifj;llU(I(J. ml; m-f!FM. (I( lit. g; x.-n.L “*(I(Jmlta n.% 0.09109-lml(O.OSmoUL)Na,S,O, llJ!tfatiT 0.09109mg 11JD(C,H140,) - 409-
