1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D ISO 11707 KS D ISO 11707:2012 2012 11 2 http:/www.kats.go.krKS D ISO 11707:2012 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2006 5 9 :2012 11 2 2012-0585 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D ISO 11707:2012 i ii 1 1 2 1 3 A -
2、(matrix-matching) 1 3.1 .1 3.2 .2 3.3 2 3.4 .2 3.5 .3 3.6 .3 4 B .4 4.1 .4 4.2 .4 4.3 5 4.4 .5 4.5 .6 4.6 .6 5 .6 A( ) 7 KS D ISO 11707:2012 ii 2011 1 ISO 11707, Magnesium and its alloys Determination of lead and cadmium . KS D ISO 11707:2012 Methods for determination of lead and cadmium in magnesiu
3、m 1 . . A (ICP/OES) (FAAS) (matrix-matching technique) . B . A , B FAAS . 0.000 5 % 0.04 % 0.000 5 % 0.07 % . 2 . . ( ) . KS D 2022, KS D ISO 4194, KS I 3002, KS L ISO 648, KS L ISO 1042, KS M 0001, KS M 0011, pH KS M 0016, KS M 0032, KS M 8001, KS M ISO 3696, 3 A - (matrix-matching) 3.1 , . ICP/OES
4、 FAAS 1 . KS D ISO 11707:2012 2 1 nm ICP/OES FAAS Pb 220.353 217.0 Cd 228.802 228.8 3.2 , , KS I 3002 . . 3.2.1 , 1.17 g/mL(35 %37 %) 3.2.2 , 1.42 g/mL(69 %71 %) 3.2.3 (100 mg/L) (99.99 % ) 0.25 g 0.1 mg , (1 1) 30 mL , NOx . 250 mL , . 10 mL 10 100 mL . . . 3.2.4 (100 mg/L) (99.99 % ) 0.25 g 0.1 mg
5、 , (1 1) 30 mL , NOx . 250 mL , . 10 mL 10 100 mL . . . 3.3 A KS L ISO 648 KS L ISO 1042 . . 3.3.1 (ICP/OES) KS M 0032 . 3.3.2 (FAAS) KS M 0016 . 3.4 KS D ISO 11707:2012 3 3.4.1 1.0 g 0.1 mg . 3.4.2 , 250 mL . 20 mL . (3.2.1) 15 mL (3.2.2) 5 mL . 25 mL , . - , . . 100 mL . ICP/OES FAAS . 3.4.3 , , .
6、 ( 99.99 % ), , , . . 3.5 (99.99 % ) 1.658 g 250 mL . 20 mL . (3.2.1) 15 mL (3.2.2) 5 mL . . Mg, Al, Zn, . (3.2.3) (3.2.4) 0 mL, 1 mL, 3 mL, 5 mL , 100 mL . ICP/OES FAAS , 1 . 3.6 (3.5). . ()mVAAw421Pb10= ()mVAAw421Cb10= KS D ISO 11707:2012 4 wPb, wCd: Pb Cd (%) A1: (mg/L) A2: (mg/L) V : (mL) m : (g
7、) 4 B 4.1 , pH . ( ) . ICP/OES FAAS . 4.2 , , KS M ISO 3696 . . 4.2.1 (1: 1) 4.2.2 (1: 10) 4.2.3 (1: 10) 4.2.4 , 1.54 g/mL(60 %62 %) 4.2.5 250 g 1 000 mL . 4.2.6 125 g 1 000 mL . 4.2.7 50 g 500 mL . 4.2.8 (2 g/L) 2 g 1 000 mL . . (5A)1) . . 1) (5A) ADVANTEC Co. . ISO . . KS D ISO 11707:2012 5 . 4.2.
8、9 (0.2 g/L) 0.2 g 1 000 mL . . (5A) . 4.3 4.3.1 pH KS M 0011 . 4.3.2 (FAAS) 3.3.2 . 4.3.3 (ICP/OES) 3.3.1 . 4.4 4.4.1 1.0 g 0.1 mg . 4.4.2 , 250 mL . 20 mL . (3.2.1) 15 mL (3.2.2) 5 mL . (4.2.5) 30 mL , 100 mL . (4.2.3) pH . (4.2.7) 3 mL , (4.2.3) (4.2.2) pH (9.20.1) . . 2 g/L - (4.2.8) 20 mL 5 . 5
9、. . . . - (0.02 %) 10 mL 5 . . . 60 80 . 10 mL 5 mL . . 5 mL . KS D ISO 11707:2012 6 (4.2.1) 20 mL , (12) , . 100 mL . . ICP/OES FAAS . 4.4.3 . 4.5 (3.2.3) (3.2.4) 0 mL, 1 mL, 3 mL, 5 mL (3.5 ), 100 mL . (3.2.2) 15 mL . ICP/OES FAAS , 1 . 4.6 (4.5). . ()mVAAw421Pb10= ()mVAAw421Cb10= wPb, wCd: Pb Cd
10、(%) A1: (mg/L) A1: (mg/L) V : (mL) m : (g) 5 . a) (: KS D ISO 11707) b) , , c) d) e) f) g) KS D ISO 11707:2012 7 A ( ) 1) : MBH Mg-Al-Zn (CRM) 3 CRM-1: C65X MGB 10 (Mg/Al/Zn) CRM-2: C65X MGA 10 (Mg/Al/Zn) CRM-3: C65X MGA 50 (Mg/Al/Zn) 2) : B 3) : ( ) 5 4) A.1 ICP Pb(mg/kg) AAS Pb(mg/kg) CRM-1 (Pb: 1
11、7010)CRM-2 (Pb: 12010)CRM-3 (Pb: 43020)CRM-1 (Pb: 17010)CRM-2 (Pb: 12010) CRM-3 (Pb: 43020)A 168.5 120.1 432.2 167.3 120.1 434.0 B 171.0 119.7 437.0 176.3 120.5 445.3 C 174.6 134.8 467.0 182.0 143.7 470.6 D 165.9 132.4 462.1 157.1 122.4 438.4 E 166.5 135.3 449.0 162.5 130.8 441.7 169.3 128.5 449.5 1
12、69.0 127.5 446.0 3.6 7.9 15.2 10.1 10.0 14.4 A.2 ICP Cd(mg/kg) AAS Cd(mg/kg) CRM-1 (Cd: 70010)CRM-2 (Cd: 15410)CRM-3 (Cd: 3520)CRM-1 (Cd: 70010)CRM-2 (Cd: 15410) CRM-3 (Cd: 3520)A 698.0 153.0 33.7 701.2 155.2 35.2 B 667.2 153.0 33.0 692.0 149.8 33.8 C 682.3 159.3 37.8 645.8 147.0 35.0 D 676.4 160.2
13、38.3 675.0 155.1 36.4 E 676.7 158.8 37.0 680.0 157.8 36.6 680.1 156.6 36.0 678.8 153.0 35.4 11.4 3.6 2.4 21.1 4.4 1.1 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS D ISO 11707:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Methods for determination of lead and cadmium in magnesium ICS 77.120.20