1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M 1023 KS M 1023:2009 2009 11 30 http:/www.kats.go.krKS M 1023:2009 : ( ) ( ) SK R&D center () () () ( ) : (http:/www.standard.go.kr) : :1989 12 23 :2009 11 30 2009-0741 : : ( 02-509-7300) (http:/www.kats.go.kr). 10 5 , . KS M 1023:2009 Magnesium standard
2、 solution 1 . 2 . . ( ) . KS A ISO 5725 16, ( ) KS M 0001, KS M 0011, pH KS M 0012, KS M 0016, KS M 8001, KS Q 5002, 1: 3 KS M 0001, KS M 0011, KS M 0012, KS M 0016 KS M 8001 . 4 KS M 0001 KS A ISO 5725 16 . 4.1 ( 99.95 % ) 4.2 . 4.3 1 , . KS M 1023:2009 2 5 1 8 . 1 () mg Mg/mL Mg 1 000 Mg 500 Mg 20
3、0 Mg 100 Mg 50 Mg 20 Mg 10 Mg 5 0.981.02 0.490.51 0.180.22 0.0900.110 0.0460.054 0.0180.022 0.009 00.011 0 0.004 60.005 4 6 6.1 8. 1 . 6.2 (1: 3) , 0.10.3 mol/L . 7 7.1 99.9 % 7.2 99.9 % 7.3 285.2 nm . 21AB A: 1 mL 10 mL 1 (0.01 mg Mg/mL) 10 L 1)B: 1 mL 10 mL 1)1) KS M 1023:2009 3 7.4 , 285.2 nm . 4
4、1AB A: 10 mL 1 mL 1 (0.01 mg Mg/mL) 10 L 1)B: 10 mL 1 mL 1)8 8.1 KS M 0001 20 1 . 8.2 (Mg 1 000) (Mg 200) 8.2.1 a) 7.4 . b) T (0.4 %) T 0.2 g 20 mL 30 mL , 3 . c) (25 %) d) (2 %) e) (1: 10) f) (pH 10) 67.5 g 300 mL , 570 mL 1 L . g) (10 %) h) 0.01 mol/L EDTA KS M 8001 . i) 1 (1 mg Mg/mL) (Mg 1 000)
5、. j) 1 (0.5 mg Mg/mL) (Mg 500) . k) 1 (0.2 mg Mg/mL) (Mg 200) . 8.2.2 KS M 0011 pH I II 8.2.3 a) 2 1 (300 mL) , 100 mL . KS M 1023:2009 4 2 1 () mL 1 mg Mg/mL 1 mL Mg 1 000Mg 500Mg 20010a20a50a1 0.5 0.5 10 20 50 a . b) pH (1: 10) . c) (10 %) 0.5 mL (10 %) 0.5 mL (pH 10) 3 mL . d) T (0.4 %) 57 , 0.01
6、 mol/L EDTA . e) c), d) 100 mL , 1 . f) 1 a)e) 3 . g) 3 0.5 % . 1 . 0.5 % . 8.2.4 1 1 , KS Q 5002 , . 120ttCC C : (mg Mg/mL) C0 : 1 (mg Mg/mL) t1 : 1 0.01 mol/L EDTA (mL) t2 : 0.01 mol/L EDTA (mL) 8.3 (Mg 100)(Mg 5) 8.3.1 a) 7.4 . b) (0.3 mol/L) 7.3 8 mL 1 L . c) 1 (0.003 mg Mg/mL) d) 1 (0.002 mg Mg
7、/mL) e) 1 (0.001 mg Mg/mL) 8.3.2 a) (Mg 2) 5 KS M 1023:2009 5 1 % . 8.3.3 a) (Mg 100)(Mg 5) 0.001 80.002 2 mg Mg/mL (10 mL .) , (0.3 mol/L) . b) KS M 0016 7.( ) 285.2 nm (0.3 mol/L) 1 (0.002 mg Mg/mL) . c) (0.3 mol/L) a) . d) (0.3 mol/L) a) 1 (0.003 mg Mg/mL) 1 (0.001 mg Mg/mL) . e) b)d) 3 . f) (0.3
8、 mol/L) 1 . g) 3 1 % . 1 % . 8.3.4 a) . bEEEECCbCC 121121)( C : (mg Mg/mL) C1 : 1 (0.005 mg Mg/mL) b : C2 : 1 (0.006 mg Mg/mL) 1 (0.004 mg Mg/mL) E : E1 : 1 (0.005 mg Mg/mL) E2 : 1 (0.006 mg Mg/mL) 1 (0.004 mg Mg/mL) b) a) 3 1 1 , KS Q 5002 . 9 . 10 . KS M 1023:2009 6 11 a) . b) , . c) 20 . d) . 12
9、. , c), d) f) , i) . a) b) (20 , 1 .) c) (mL) d) , (0.3 mol/L) e) ( , ) f) g) h) i) (11. ) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS M 1023:2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Magnesium standard solution ICS 71.040.30 Korean Agency for Technology and Standards http:/www.kats.go.kr