1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M 8052 ( ) 5 ( )KS M 8052:2012 2012 12 28 http:/www.kats.go.krKS M 8052:2012 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :1992 6 19 :2012 12 28 2012-0817 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M 8052:2012 ( ) 5 ( ) Tin( ) chloride pentahy
2、drate SnCl45H2O FW: 350.60 1 (IV) 5 (IV) 5 . . 2 . . ( ) . KS M 8001, 3 3.1 (IV) 5 , . 3.2 a) 0.5 g 200 mL (A ). A 10 mL 1 mL (20 g/L) 1 mL . b) A 10 mL 1)2 mL . 4 (IV) 5 5. 1 . 1) 0.05 g (2:1) 1.5 mL 40 mL . KS M 8052:2012 2 1 (SO4) (Na) (K) (Cu) (Ca) ()(Sn2+) (Pb) (As) (Fe) (NH4) 98.0 % 0.005 % 0.
3、005 % 0.002 % 0.001 % 0.002 % 0.1 % 0.001 % 0.001 % 0.001 % 0.001 % (Cl2: 0.001 % ) 5 5.1 a) 0.1 mg 2.0 g (500 mL) 30 mL, (2:1) 10 mL 3 g . 25 mL 0.01 mol/L EDTA 50 mL 5 (100 g/L) pH 5.4 pH 5.5 , 0.01 mol/L (II) 2) . , ( a mL). ( b mL). b) 10050025)(0506003.0=SfabA 2) 0.01 mol/L (II) (II) 3.4 g (1:5
4、0) 25 mL 1 000 mL . 25 mL (100 g/L) 10 mL (1:10) pH 5.2 pH 5.4 0.01 mol/L EDTA . , . 251Vff= f : 0.01 mol/L (II) f1: 0.01 mol/L EDTA V : 0.01 mol/L EDTA (mL) KS M 8052:2012 3 A : (%) S : (g) f : 0.01 mol/L (II) 0.003 506 0 : 0.01 mol/L EDTA 1 mL SnCl45H2O (g) 5.2 2 g 20 mL . 5.3 (SO4) a) 1.0 g (2:1)
5、 0.3 mL 25 mL . b) (0.01 mg/mL) 5.0 mL (2:1) 0.3 mL 25 mL . c) KS M 8001 6.15 a)( ) . 5.4 (Na) a) 1.0 g (1:1) 2 mL 100 mL (X )(5.5 ). b) 1.0 g (1:1) 2 mL, (0.01 mg/mL) 5.0 mL, (0.01 mg/mL) 2.0 mL 100 mL (Y )(5.5 ). c) KS M 8001 6.30( ) . 1589.9 nm, 2580 nm 5.5 (K) a) 5.4 X . b) 5.4 Y . c) KS M 8001
6、6.30 . 1766.5 nm, 2760 nm 5.6 (Cu) a) 5.0 g (1:1) 10 mL 100 mL (X )(5.7, 5.9, 5.11 ). b) 5.0 g (1:1) 10 mL, (0.01 mg Ca/mL) 10 mL, (0.01 mg/mL) 5.0 mL, (0.01 mg/mL) 5.0 mL, (0.01 mg/mL) 5.0 mL 100 mL (Y )(5.7, 5.9, 5.11 ). c) KS M 8001 6.31( ) a)( ) 4)( ) . 324.7 nm 5.7 (Ca) KS M 8052:2012 4 a) 5.6
7、X . b) 5.6 Y . c) KS M 8001 6.31 a) 4) . 1422.7 nm 5.8 (II)(Sn2+) 3 g 30 mL, (200 g/L) 2 mL, 1 mL 0.05 mol/L 2 . 0.5 mL . 0.05 mol/L 1 mL 0.005 935 g Sn2+ . 5.9 (Pb) a) 5.6 X . b) 5.6 Y . c) KS M 8001 6.31 a) 4) . 283.3 nm 5.10 (As) a) 1.0 g 50 mL . 10 mL( 0.2 g) (100 mL) 20 mL . b) (0.001 mg/mL) 2.
8、0 mL (100 mL) 20 mL . c) KS M 8001 6.19 c)N,N- (AgDDTC ) . 5.11 (Fe) a) 5.6 X . b) 5.6 Y . c) KS M 8001 6.31 a) 4) . 248.3 nm 5.12 (NH4) a) 1.0 g 140 mL . b) (0.01 mg/mL) 1.0 mL 140 mL . c) KS M 8001 6.11 f)( - ) . 5.13 KS M 8052:2012 5 1 g 10 mL 1 mL (Cl2: 0.001 % ). 6 ( ) . 7 . a) “ (IV) 5 ” “ ” b) c) , d) ( ) e) f) g) h) (IV) 5 . () 5() 153787 1 92 3(16) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M 8052:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Tin() chloride pentahydrate ICS 71.040.30
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