1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M 1812 KS M 1812:2008 2008 12 19 http:/www.kats.go.krKS M 1812:2008 : ( ) ( ) ()MPT ( ) : (http:/www.standard.go.kr) : : 2003 8 27 : 2008 12 19 2008-0927 : : ( 025097301) (http:/www.kats.go.kr). 10 5 , . KS M 1812:2008 Calcium chloride for industrial use
2、1 ( , .) . 2 . . ( ) . KS M 0001, KS M 0012, KS M 0016, KS M 0028, 3 , (flake) . 4 1 , 2 2 . 5 7. 1 . 1 1 2 (CaCl2)(%) 77 70 (NaCl)(%) 2.0 5.0 (MgCl2)(%) 0.5 Ca(OH)2(%) 0.2 (CaSO4)(%) 0.2 (Fe2O3)(%) 0.007 (%) 0.5 KS M 1812:2008 2 6 KS M 0001 KS M 0016 KS M 0028 , KS M 0012 . 7 7.1 (CaCl2) 5 g 200 mL
3、 500 mL . 25 mL 250 mL 1 . 20 mL 100 mL , 20 mL 3 . . . , (1: 4) . , (1: 4) 10 mL 15 mL 100 mL . 70 0.02 mol/L , 1) . (%) CBSfA1361111.74111100)500/25()0001/1(1111.0 A : 0.02 mol/L KMnO4 (mL) f : 0.02 mol/L KMnO4 B : (%)(7.3 ) C : (%)(7.4 ) S : (g)2)7.2 (NaCl MgCl2) 2 g 500 mL . 10 mL 100 mL . (Mg:
4、285.2 nm, K: 766.4 nm, Na: 588.9 nm) . 3) 1) (dotite) EDTA . 2 g 500 mL 200 mL . 2 mol/L 40 mL , 0.1 g 0.4 g . 0.1 mol/L EDTA 2) . 2) 0.1 mol/L EDTA 3.722 g 100 mL 0.1 mol/L . 3) 5 100 mL 2 mL, 4 mL, 6 mL, 8 mL, 10 mL4) . KS M 1812:2008 3 , . . (%) 100)100/1()500/10(106SA A : (g/mL) S : (g) KCl(%)Na
5、Cl(%) KCl(%)(58.44/74.55) (%)NaCl(%) NaCl(%) KCl(%)NaCl(%) 4)7.3 Ca(OH)2 10 g 25 mL . 1 0.1 mol/L , . Ca(OH)2 (%) 100)0001/1()2/09.74(1.0SfA A : 0.1 mol/L (mL) f : 0.1 mol/L S : (g) 7.4 (CaSO4) 50 g 0.1 g 500 mL 200 mL 2 mL . . , (20 %) 10 mL 15 . (No. 5C) , . 100 , 400 , 1 900 . 0.2 mg (%) . . (KS
6、M 0016, KS M 0028 ). 4) a) (1 mL 0.300 mg KCl) 0.3 g , 1 000 mL . b) (1 mL 0.100 mg NaCl) 1.000 g , 1 000 mL . 10.0 mL 100 mL . c) (1 mL 0.050 mg MgCl2) (99.9 % ) 0.128 g (1: 3) 5 mL , 1 000 mL . 10.0 mL 100 mL . KS M 1812:2008 4 (%) 100)4.233/1.136(12SS S1: (g) S2: (g) 7.5 (Fe2O3)5) 2 g 25 mL , (1:
7、 1) 4 mL (10 %) 1 mL6) . 5 , (50 %) 10 mL pH 2 4 . 1,10 (0.1 %) 5 mL 7) , 100 mL 20 . 510 nm . 25 mL , . 8) 9) (III) (III) (%) . (III)(%) 100SA A : (III) (g) S : (g) (III)(%) 100SMA A : (III) (g) S : (g) M : 7.6 5) 248.3 nm , Fe2O3 0.1 g/mL 3 g/mL , 2 % 10 % . 6) L 0.1 g . 7) 1,10 0.5 % , (75 %) . 8
8、) (1 mL 0.010 mg Fe2O3) (III) 6.04 g (1: 6) 10 mL 1 000 mL . 10 mL 1 000 mL . (99.9 % ) 0.200 g 200 mL (1: 1) 10 mL 1 mL . 1 000 mL . 10.0 mL 100 mL . , . 9) (0.01 mg Fe2O3/mL) 1 mL 25 mL 100 mL (1: 1) 4 mL . (III) . KS M 1812:2008 5 25 g 200 mL . 1 . . . 100 1 0.1 mg (%) . (%) 10012SS S1: (g) S2: (
9、g) 8 . 9 . 10 . a) b) c) d) ( ) e) f) g) h) KS M 1812:2008 6 KS M 1812:2008 . , . 1 KS M 1803 KS M 1812 . , , . 2 KS M 1803 KS M 1812 , . , , KS M 0131 ( ) . 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M 1812:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Calcium chloride for industrial useICS 71.060.50
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