KS E ISO 12739-2007 Zinc sulfide concentrates-Determination of zinc content-Ion-exchange and EDTA titrimetric method《硫化锌浓度 锌含量的测定 离子交换 EDTA滴定法》.pdf

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KS E ISO 12739-2007 Zinc sulfide concentrates-Determination of zinc content-Ion-exchange and EDTA titrimetric method《硫化锌浓度 锌含量的测定 离子交换 EDTA滴定法》.pdf_第1页
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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS E ISO 12739 EDTA KS E ISO 12739: 2007 2007 10 31 http:/www.kats.go.krKS E ISO 12739: 2007 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2002 12 10 :2007 10 31 2007-0955 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS E ISO 12739: 2007 EDTA Zi

2、nc sulfide concentrates Determination of zinc content Ion-exchange and EDTA titrimetric method 2006 2 ISO 12739, Zinc sulfide concentrates Determination of zincIon-exchange/EDTA titrimetric method . 1 . 11 %(m/m) 62 %(m/m) . 1 , . . 2 . ISO . 2 . . ( ) . KS E ISO 9599, , , KS L ISO 385 1, 1: KS L IS

3、O 648, KS L ISO 1042, KS L ISO 4787, KS M ISO 3696, 3 , . 2 mol/L . . 2 mol/L KS E ISO 12739: 2007 2 . pH 5, 6 EDTA . 4 KS M ISO 3696 2 . 4.1 , 99.99 % . (4.3) (1: 9) 1 50 . 4.2 (0.1 %m/m) 100 g 0.1 g . 4.3 ( 1.16 g/mL 1.19 g/mL) 4.4 (1: 1) 500 mL (4.3) 500 mL . 4.5 (1: 5) 500 mL (4.3) 100 mL . 4.6

4、( 1.42 g/mL) 4.7 (1: 1) 500 mL (4.6) 500mL . 4.8 (1: 1) 500 mL ( 1.84 g/mL) 500 mL . 4.9 (1: 100) 1 000 mL (4.8) 20 mL . 4.10 ( 1.13 g/mL 1.15 g/mL) 4.11 (7: 100) 1 000 mL ( 0.89 g/mL) 70 mL . 4.12 (4.11) 1 L 20 g . KS E ISO 12739: 2007 3 4.13 (4.5) 100 mL 0.25 g . 4.14 (50 g/L) 50 g 1 L . 4.15 (100

5、 g/L) 100 g 1 L . 4.16 (pH 5.5) ( 1.05 g/mL) 25 mL 250 g 1 L . 4.17 (2 g/L) 0.2 g 100 mL . 4.18 (1/2)(2Na EDTA 2H2O) (0.1 mol/L) EDTA(2-Na) 37.2 g 1 L . 5 5.1 A , KS L ISO 4787 , KS L ISO 385 1, KS L ISO 648, KS L ISO 1042 A . 5.2 , 0.1 mg . 5.3 5.4 , 800 . 5.5 , 25 mL 5.6 , A . 6 6.1 KS E ISO 9599

6、. ( B ). 6.2 0.5 g 0.1 mg KS E ISO 12739: 2007 4 . KS E ISO 9599 . B . 7 7.1 2 . . 7.2 . 2 . EDTA Vb . 7.3 300 mL (4.3) 25 mL . 5 (4.7) 20 mL (4.8) 15 mL 5 mL 50 mL . 300 mL , (4.9) . (5.5)( ) 800 . (4.8) 2 mL, (4.6) 2 mL (4.10) 2 mL . 60 mL 80 mL (4.3) 16 mL 100 mL . , , . . , 600 700 . . (4.8) 2 m

7、L, (4.6) 2 mL (4.10) 2 mL . KS E ISO 12739: 2007 5 . , . 7.4 A . 5 mm . . 16 mL 5 mm . . “ ” ( ). . (4.5) 100 mL , . 5 mL/min . 100 mL , (4.5) 100 mL . 7.5 7.3 5 mL/min (4.5) . 100 mL . 5 mm . (4.13) 100 mL (4.5) 100 mL 500 mL . 7.6 5 mL/min (4.12) 180 mL 500 mL . 7.4 . 7.7 7.6 (4.17) 2 3 (4.4) . pH

8、 5.55.7 . . (4.16) 20 mL, (4.14) 3 mL, (4.15) 5 mL 0.5 g EDTA . EDTA Vt . KS E ISO 12739: 2007 6 7.7 . C . E . 7.8 EDTA 0.1 % 0.2 % EDTA . . EDTA . 0.055 g 0.31 g 0.000 1 g 3 500 mL m1, m2, m3 . (4.4) 15 mL , (4.12) 150 mL . (4.17) 2 3 (4.4) , 7.7 pH . (4.16) 20 mL, (4.14) 3 mL, (4.15) 5 mL (4.2) 0.

9、5 g EDTA (4.18) V1, V2, V3 . fix . fix mx/Vx x 13 fix: mx: (g) Vx: EDTA (mL) fi1, fi2, fi3 0.000 01 g/mL . . f33i2i1ifff 8 wZn . HcmfVVw100100581.0100btZn f : 7.7 (g/mL) H : ( H 0) c : (%) KS E ISO 12739: 2007 7 m : (g) Vb: EDTA (mL) Vt: EDTA (mL) 9 9.1 sr 0.000 2 X 0.054 3 sL 0.002 0 X 0.052 4 X :

10、(%) sr: (%) sL: (%) F 9.2 X1, X2 F ( D ). 2 : 221XXX ( ) : sr 0.000 2 X 0.054 3 : r 2.8sr9.3 2 . :22112 : sL 0.002 0 12 0.052 4 : sr 0.000 2 12 0.054 3 :28.2rL22ssP :21 E 1 : 1 (%) 2 : 2 (%) E P . 9.4 KS E ISO 12739: 2007 8 9.4.1 (CRM) Ac 2 . CA cc . ccA C . c: (%) Ac: (%) C : 9.4.2 9.4.2 (CRM) (RM)

11、 9.4.2.1 KS A ISO GUIDE 35 . 9.4.2.2 ( ) c22AsnssC2rL2 s2AC : n : 9.4.2.3 1 ( ) nssC22 rL2 . 10 . a) b) ( , KS E ISO 12739 ) c) (%) d) e) KS E ISO 12739: 2007 9 A ( ) A.1 . 150 m300 m , 50100 . . Bio-Rad Analytical Grade Resin AG 1 X8; Mitsubishi Chemical Co. “Diaion” S.A. 100; Dow Chemical Co. “Dow

12、ex” 1 X8; Rohm Permutit “Zerolit” FF; Bayer “Lewatit” M 5080; Fisher “Rexyn” 111; Akzo Chemical Co. “Imac” S 5 50. ISO . . A.2 10 mm 12 mm 100 mL A.1 . 5 mm , 5 mL/min . . KS E ISO 12739: 2007 10 : mm A.1 , 100 mL , int.10 , int.2 , 100 mL , int.12 KS E ISO 12739: 2007 11 B ( ) B.1 0.05 %2 % . B.2 (

13、1055) , . B.3 B.3.1 , . B.4 . B.4.1 , 0.1 mg . B.4.2 , , 3 g (20 g ). B.4.3 , (1055) . B.5 B.5.1 (1055) (B.4.3) (B.4.2) 1 (B.3.1) . B.5.2 (B.4.2) . . B.5.3 , (B.4.3) , (1055) 2 KS E ISO 12739: 2007 12 . 2 , 0.1 mg (m4) , (m5) 0.1 mg . , (1055) 2 (m4) 0.1 mg m4 m4 0.5 mg , . B.6 m6 (g) . m6 m4 m5 m4

14、: (g) m5 : (g) . KS E ISO 12739: 2007 13 C ( ) C.1 0.05 %(m/m)0.20 %(m/m) . C.2 , , . . C.3 C.3.1 ( 1.16 g/mL 1.19 g/mL) C.3.2 (1: 1) 500 mL (C.3.1) 500 mL . C.3.3 ( 1.42 g/mL) C.3.4 (1: 1) 500 mL (C.3.3) 500 mL . C.3.5 (1: 1) 100 mL ( 1.84 g/mL) 100 mL . C.3.6 0.5 g (C.3.4) 20 mL 1 000 mL . 0.5 mg/

15、mL . C.3.7 (C.3.6) 10 mL 250 mL . . 20 g/mL . C.4 C.4.1 A , KS L ISO 385 1, KS L ISO 648, KS L ISO 1042 KS E ISO 12739: 2007 14 , KS L ISO 4787 . C.4.2 , 0.1 mg . C.4.3 C.4.4 C.5 0.5 g 0.1 mg 200 mL 10 mL (C.3.1) 5 mL (C.3.3) . 5 mL (C.3.5) 10 mL (C.3.2) 30 mL . 100 mL . 10 mL 3 . C.6 4 mA 228.8 nm,

16、 0.5 nm . 10 g/mL 0.4 . 2.00 g, 4.00 g, 10.00 g/mL 3 (C.3.7) , . c , 8. . KS E ISO 12739: 2007 15 D ( ) r 9.2 . D.1 |x1 x2|r |x1 x2|1.2r x1, x2 x3, x4 x4 x3 x1, x2,x3 1.2r x1, x2,x3,x4 1.3r x x1, x2, x3, x4 221xxx3321xxxx44321xxxxxKS E ISO 12739: 2007 16 E ( ) E.1 . E.2 . 7.3 . E.3 2 mol/L Fe(II) Fe(III) Fe(II) . E.4 . E.5 , , , , 2 mol/L . KS E ISO 12739: 2007 17 F ( ) F.1 9 22 . 11 %(m/m)62 %(m/m) 5 , KS A ISO 5725 2 . F.2 . 2 (2 ) 2 . F.3 5 , F.1 . F.4 F.1

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