测汞水样及标准溶液保存方法的探讨

`·l21234567891011126.smg/m.933。53。57。04。71.214。7mg/s38。492.413。655。435。79。55。15。14。34。3290.6xng/ms22615273。9575316。582。232。932。928。828。832。926mg/ms561326563952mg/m,8225。493。6545。4315。83。4::::.ùù.14。,,,,,,。〔1〕:,1,118~123,,,1980〔2〕:,253~257,313~517,,,1976〔3〕:,~48,,1974,,pp、ppm,ppb。,,。、,,,:、,:.1,2。,;3。,,。、1。、”H,`”。、、、。,。,。、。。sppb(),1%,3~510%,30%。1。,。,。1。12.。,1~5%,,111.19,2%,1~2%,,1:nI2.2,2%0.01%,0.5~3%,;1:yI1。5,3~5%,,1:v1.7,1%0.01%,2~4%,1:vI…:910(%)1I—H:50;;11—H:50`2%NaC;l—H:5042%NaC+。.01%K:Cr:O,`W—HNO。,V—,1%NaCI0.01%K:CrZO7,VI—。1.0,1~3%,。。1,,,。2。,、、,。。〔〕1%0.05%,ppb120;0.05/,。.05%、5%,103〔”〕。,1(4)、(5)。:ppb,,93%,。3.1%2%。〔`〕15,,792%。1(6)。4.,``〕。:HgCI:+ZNaCINa:〔HgCI`〕。,,n“ù”~:1(%)(((1)))1%H:50;;;100。00090。00066。00055。000000000000000(((2)))5%HNO:::98。55591。00085。00084。555555555555555(((3)))1%H:50``99。55599。00097。00097。00096。000000000000000000.25K:520。。。。。。。。。。。。(((4)))1%H:50;;;100。000100。55598。00097。55597。000gif。66695。33333333300000.05%K:CrZO???????????????????????(((5)))5%HNO。。101。000100。44499。66698。55596。00095。88893。99999999900000.05%K。Cr:077777777777777777777777(((6)))1H:50``100。000100。00099。55599。00098。55598。00096。55595。O``92。0000022222%NaCIIIIIIIIIIIIIIIIIIIIIII(((7)))s%HNO:::100。000100。000100。00099。55599。555990009900099333990009755511111%NaCIIIIIIIIIIIIIIIIIIIIIII00000。01%K:Cr:0,,,,,,,,,,,,(((8)))1%H:50``100。0009955510000099。22299.11199.00099。1119900099。00098。333+++++++++++++++++++++++++++22222%NaCIIIIIIIIIIIIIIIIIIIIIIIooooo。01%K:Cr,0,,,,,,,,,,,,),6G。8。,1%、2%、。。01%3%、1%、。.01%,。sppb0.15ppb8,,8,1(7)、(8),8。、1。、、。,IM5%(),。,10~60。。.2M,5%2,1/()(),,7,。。,。2。,l:11:110,,(K、Na、Cl、No、50;)、。,(),。3,,()10,pH2,,。,,。、(CN、EDTA、、AuCI、KMnO;、K:Cr:O,H:O:),H:O:,。、1。。、、,i%H:50`2%NaCI0.01%K:Cr:O,,,、、。8。2。。,,。〔1〕MiehaelJJaras,AWW、,Chairman,etal:Standardmethodsfortheexa-m1nationofwaterandwastewater,ed14,ppsoi,2,s,AnzerieanpublieHealtliAssoeiation(editio),Washington,1976〔2〕JCarronandHAigenan:Preservationof(Sub)pPblevelsofmereuryindis-tilledandnaturalfreshwaters.Analy-tieaChinrieaAeta92(l):61,1977〔3〕,:.3(3)521979〔4〕MAmbeandKSuwabe:Thepreparationofstandardsolutionsofmereuryattheppblevel.AnalytieaChimieaAe-ta92(l):55,1977〔5〕Wan9XianKe:ImprovementinthedeterminationofChromiuminwaterusingdiPhenylearbazide.CAgl(16):12876,1979F732。。002/〔`,。。,,F732,,,,: