BS 6068-2 29-1987 Water quality - Physical chemical and biochemical methods - Determination of cobalt nickel copper zinc cadmium and lead flame atomic absorption spectrometric meth.pdf
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1、BRITISH STANDARD BS 6068-2 . 2 9 :1987ISO 8 2 88: 1986Wat er q u a lity Par t 2:Ph ysi cal ,chemical a ndb ioc hemicalme t hods S e c t ion 2 . 2 9 D e t ermin a t ionof c o bal t ,nic kel,copper, zinc,cadmiu m a nd lea d :fla me a t omicab s orpt ion s pec t romet ricmet hods ISO ti t le:Wa t er q
2、u a lity D e t ermina t ionofc o bal t , nic kel,copper,z inc,cadmi u m a ndlea dF l a mea t omi cabs orp t ion spec t romet ric met hod s ICS: 13.060.50IncorporatingCorrigendum No. 1BS 6068-2 . 2 9 : 1987T his B rit i s h S t a nda rd, h a v ingb eenprepa red u nder thedire c t ionof the E n v iron
3、ment a nd P ollution S t a nda rds C ommittee, wa s p u b lis hedu nder t hea uthority of theB o a rdof BSI a nd c omesint oeffec t on27 F e b r u a r y 1987T hefollow ing BSI referenc e s rela t e to the workon this sta nda rd:C ommitteereferen c e EPC / 44D r a f t for c omment 85/ 5 0076 DCA md.
4、N o. Dat eofissue C omments The British StandardsInstitution 2015. Published byBSI Standards Limited 2015ISBN 978 0 580 92292 3Amendments/corrigenda issued since publicationC1 December 2015 Supersession information updated.BS 6068-2 . 2 9 : 1987iC ont entsPageNat iona lforew ord ii1 Scope 12 F ieldo
5、f a pplicat ion 1S e c t ion1. M e t hod A D ire c t det ermin a t ion b y fla me a t omi cabs orp t ion spec t romet r y3 P rinc iple 24 R e a gents 25 A ppa r a tus 26 Samplinga nd sa mples27 P roc edu re 28 E x pressionofresul ts 39 T e st report3S e c t ion 2. M e t hodB D e t ermina t ionb y fl
6、a mea t omicab s orpt ions pec t romet r y a f t er c hela t ion( APDC) a nde xtr act ion( MIBK)1 0 P rinc iple 411 R e a gents 41 2 A ppa r a tus 41 3 Samplinga nd sa mples 414 P roc edu re 415 E x pressionofresul ts 51 6 T e st report 5S e c t ion 3. M e t hodC D e t ermina t ionb y fla mea t omic
7、ab s orpt ions pec t romet r y a f t er c hela t ion( HMA- HMDC) a nde xtr act ion( DIPK- xylene)1 7 P rinc iple 718 R e a gents 719 A ppa r a tus 720 Samplinga nd sa mples72 1 P roc edu re 722 E x pressionofresul ts 823 T e st report 9A nnex APret rea t ment of the sa mple whendet ermining to t a l
8、me t a l s 1 0A nnex BChec kingc omplet eextr act ion( M e t hodC )10Table11Table 2 1Table 3 1Table4 3Table5 3Table 6 5Table 7 6Table89 The British Standards Institution 2015BS 6068-2 . 2 9 : 1987iiNat iona lforew ordT his S e c t ionof BS 606 8 , whic hha s b eenprep a red under thedirec t ionof th
9、eE n v ironment a nd P oll ution S t a nda rds C ommittee, i s ident i cal wi t hISO 8 2 88-1986 “ Wat er q u a lity D e t ermina t ion of c o bal t , nic kel,copper, zinc,cadmi u m a nd lea dF l a me a t omi cab s orpt ion spec t romet ric met hods ”. T heint erna t iona l st a nda rd wa s prepa re
10、db y subcommittee 2 ,Ph ysi cal ,chemical a ndb ioc hemicalme t hods , ofT e c hnical C ommittee147 ,Wa t erq u a lity, of theI n t erna t iona l O rga niz a t ionforS t a nda rdiz a t ion( ISO) a s a resul t ofdis c ussioninw hic h the UK p a r t i c ipa t ed.T his B rit i s h S t a nda rdi s b ein
11、gp u b lis hedin a series ofPar ts sub div idedint oS e c t ion s th a t w illgenera lly c orres pond topa r t i c u l a rin t erna t iona l st a nda rds .S e c t ions a reb eing, or willb e , p u b lis hedinPar ts 1 to 6 , whic h toget her wi t hPar t0,arelistedb elow . Par t0:In t rodu c t ion; Pa
12、r t 1 :Glossa r y; Par t2:Ph ysi cal ,chemical a nd b ioc hemicalme t hods; Par t3:Ra diologicalme t hods; Par t 4 :Mi c rob iologicalme t hods; Par t 5 :Biologicalme t hods; Par t6:Sa mpling.T erminolog y a nd c onv ent ion s . T he te xt of theint erna t iona l sta nda rdh a s b eena pprov eda s s
13、ui t ableforp u b licat iona s aBrit i s h S t a nda rd wi t hout dev i a t ion. S ome terminology a ndc ert a inc onv ent ions a renot ident i cal wi t h thos eusedinB rit i s h S t a nda rds; a ttent ioni s dra w nes pec i a lly t o thefollow ing.T hec omma h a s b een us eda s a dec ima lma rker.
14、I n B rit i s h S t a nda rds i t i s c u rrent pract i c e to us e a f u llpoint on thebas elinea s t hedec ima lma rker.I n B rit i s h S t a nda rds i t i s c u rrent pract i c e to us e the sy m b ol“ L ”forlit re( a ndini ts sub m u l t iples )ra t her th a n“l”,and to us e the spelling“ sulphu
15、 r”, e t c ., inste a dof“ sulfu r”, e t c .W herev er the words “ t his I n t erna t iona l S t a nda rd”a ppea r , referring to this sta nda rd, they s hou ldb ere a d a s “ t his S e c t ionof this B rit i s h S t a nda rd”.NOTE T y pogra phi calerror s . I n 18.6 , p a r a gra ph1 , line1 ,andp
16、a r a gra ph 3 , line1 , “ s olutions ”s hou ldb ere a d a s “ s olution”.I n 22. 3 , p a r a gra ph 3 , line1 , “neutr a l” shou ld b ere a d a s “na tur a l”.contract.Users areresponsiblefor itscorrect application.Compliance with a British Standard cannot confer immunity fromlegal obligations.S u
17、mma r y of p a gesT his doc u ment c ompris e s a front c o v er,anin s idefront c o v er, p a ges i a ndii,p a ges 1 to10 a nd aback c o v er.T his sta nda rdh a s b een upda t ed( s eec opy right d a t e)a ndm a y h a v eha da mendments inc orpora t ed. T his w illb eindicat edin thea mendment t a
18、bleon theins idefron t c o v er.Thispublicationdoes not purport toincludeall thenecessary provisions ofaThis Section of BS 6068 is published by BSI Standards Limited, under licence from The British Standards Institution.This Section of BS 6068 partially supersedes BS 2690-1:1964 which is withdrawn.
19、The British Standards Institution 2015BS 6068-2 . 2 9 : 198711 ScopeT his I n t erna t iona l S t a nda rd spec ifies t hreemet hod s for thedet ermina t ionofc o bal t , nic kel,c opper, z inc, cadmi u m a ndlea din wa t erb y fla mea t omicab s orpt ion spec t romet r y :S e c t ion 1 : met hodA,f
20、ordirec t det ermina t ionb y fla mea t omi cab s orp t ion spec t romet r y;S e c t ion 2: met hodB,fordet ermina t ionb y fla mea t omicab s orpt ion spec t romet r y a f t erc hela t ion( APDC) a nde xtr act ion( MIBK) ;S e c t ion 3: met hodC,fordet ermina t ionb y fla mea t omicab s orpt ion sp
21、ec t romet r y a f t erc hela t ion( HMA- HMDC) a nde xtr act ion( DIPK- xylene).2 F ield of a pplicat ion2 .1 M e t hod A i s p a r t i c u l a rly a pplicable whenc onc ent r a t ions ofelements t o b e a n a l ysed a rerela t i v ely high a nd when therea renoint erferenc e s .W hen the sa mples
22、a reof acomplex or unknow nn a tureor when they c ont a inhighc onc ent r a t ions ofdissolv ed solids ( b rines or b r ackis h wa t ers )met hodA i s not a pplicablea ndeit hermet hodB orCs hou ldb e selec t ed.T hec onc ent r a t ion s ofelements whic h can b edet erminedb y met hodA m a y v a r y
23、 according to thec h a r act eri sti c s of thea t omicab s orpt ions pec t romet ricappa r a tus usedb ut a regenera lly int her a nge s indicat edin Table1.Table 1I f thec onc ent r a t ions a regrea t er th a n the upperlimits indicat edin the table, the sa mplem a y b edilutedb eforea n a l ysi
24、s .2 . 2 M e t hod s BandCarea pplicable whenc onc ent r a t ion s ofelements to b e a n a l ysedin thes a mple(ordilutionof the sa mple)a regrea t ert h a n 0 ,5 4 g / l.2 . 2 .1 M e t hod BT hec onc ent r a t ions of theelements w hic h can b edet erminedb y met hodB m a y v a r y according to the
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