1、 KS D ISO 7692KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS D ISO 7692 : 2002 (2007 ) 2002 11 30 http:/www.kats.go.kr : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： : 2002 11 30 : 2007 6 29 2007-0362 ： ( 02-509-72747) . (http:/www.kats.go.kr) 7 5 , . ICS 77.100 KS D ISO 7692 : 2002(2007 ) FerrotitaniumD
2、etermination of titanium contentTitrimetric method 1983 1 ISO 7692 Ferrotitanium Determination of titanium contentTitrimetric method , . 1. . 20 80%(m/m) . 2. . . ISO 3713 Ferroalloys Sampling and preparation of samples General rules 3. , , . ( , , ) . Ti+3 . ( ) Ti+3 . . 4. , , . 4.1 0.05mm 99.5% .
3、 4.2 (NaHCO3) 4.3 ( =1.42g/mL) 4.4 ( =1.84g/mL) 4.5 ( =1.19g/mL) 4.6 ( =1.14g/mL) 4.7 1+1 . 1 (4.4) 1 . . 4.8 1+4 . 4 (4.4) 1 . . 4.9 (100g/L) 4.10 (20g/L) 4.11 (100g/L) D ISO 7692： 2002 2 4.12 ( 10ppm ) 99.998% . 4.13 30% 100 4.14 ( ) Fe2(SO4)3 (NH4)2SO4 24H2O 400mL ( ) 10.2g . 100mL (4.7) 50mL . 1
4、000mL . 1mL 1mg . 4.15 ( ) (4.5) 50mL ( BCS 149/3) 2g 10mL . (4.7) 40mL . 200mL 15 . 500mL . 4.16 99.9% . 4.17 (0.500 0g Ti/L) . 4.17.1 800C 2 0.83400.0002g . 170mL 10g . 100mL 400mL . . , 100mL 400mL . . (4.8) 50mL . . 1 000mL . 4.17.2 105C 2 (K2TiF6) 2.506 00.000 2g . 100mL (4.8) 50mL ( 15 ) . . 1
5、 000mL . . 5. . 5.1 PTFE 250mL . 5.2 600mL . 5.3 . 500mL . 5.4 / ( 1 ) 2 (2 6) (1) . (3) . (2) (3) 10 15mm . 5cm (3) . 5.5 PTFE . 5.6 ( 2 ) D ISO 7692： 2002 3 1 2 500 mL D ISO 7692： 2002 4 6. ISO 3713 160m . 7. 7.1 10.0002g . 7.2 ( ) (4.14) . 7.3 1 . 7.4 ( ) 7.4.1 0.75 0.85g (4.16) . 7.4.2 (4.17) 50
6、mL, (4.7) 5mL (4.5) 80mL 500mL . 7.5.3.2 . . 7.5 7.5.1 250mL PTFE . 20mL (4.7) 35mL . , (4.5) 20mL (4.6) 1mL . PTFE . (4.3) 5mL 1 . , . 5 . (4.5) 30mL . . (4.5) 5mL . 500mL . ( A). 20 45%(m/m) , A 50mL . 45 75%(m/m) , A 25mL . ( ) (4.15) 10mL 250mL 7.5.2 . 500mL 7.5.3.1 . 7.5.2 250mL A (4.9) 50mL (4
7、.13) 2mL . 5 . . (4.10) . (4.10) 10mL 6 . 500mL . (4.5) 45mL (4.8) 15mL 250mL 60 70C . . 10mL . (4.5) 35mL . 10mL . , D ISO 7692： 2002 5 40mL (70 80C) . 7.5.3.2 . 7.5.3 7.5.3.1 500mL A (4.5) 85mL 25mL . 7.5.3.2 . 7.5.3.2 (4.2) 20.2g (4.1) 40.2g (7.5.2 7.5.3.1 . ) . (1) / (5.4 ) . . (1) . 7.5.3.3 (3)
8、 . 0.70.1L/min . ( . ) . (3) (4) . ( 7 .). . (4.11) 10mL (5.5 ) . (6) ( 2 ) . (5.5) ( ) (4.14) . 7.5.3.4 . (4.11) 10mL ( ) (4.14) . 8. 8.1 ( ) (7.4.1 ), %(m/m) . 100213121 mVVVVm V1 : ( ) (4.14) (mL) V2: ( ) (4.14) (mL) V3: ( ) (4.14) (mL) m1: 7.5.1 (4.16) (g) m2: 7.5.1 (g) 8.2 ( ) (7.4.2 ), %(m/m)
9、. 100243121 mVVVVmD ISO 7692： 2002 6 V1: ( ) (4.14) (mL) V2: (4.17) 50mL ( ) (4.14) (mL) V3 : ( ) (4.14) (mL) V4 : ( ) (4.14) (mL) m1: (4.17) 50mL (g) m2: 7.5.1 (g) 9. . a) b) c) d) e) - 135513 7017 (02)60094567 (02)600948878 http:/ KS D ISO 7692 : 2002 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS FerrotitaniumDetermination of titanium contentTitrimetric method ICS 77.100 Korean Agency for Technology and Standards http:/www.kats.go.kr
