1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2001 12 31 KS E ISO 6995 4, 4 KS E ISO 6995: 2001 (2006 )(ISO 6995: 1985, IDT) ICS 73.060.40 KS 4, 4- E ISO 6995: 2001(2006 )(ISO 6995: 1985, IDT)Aluminium oresDetermination of titanium content4, 4- Diantipyrylmethane spectrophotometric method 1985 ISO 6995
2、(Aluminium ores Determination of titanium content 4, 4-Diantipyrylmethane spectrophotometric method) . 1. 4, 4 . 0.5 8 %(m/m) . 2. . . ISO 5725 Precision of test methods Determination of repeatability and reproducibility by inter-laboratory tests 3. . a) , , (gibbsite) (boehmite) 1 % . b) (diaspore)
3、 1 % . c) / . , . , / , . , 4, 4 390 nm . 4. , . 4.1 (Na2O2) , . E ISO 6995:2001 2 4.2 / (Na2CO3) (Na2B4O7) 3: 1 . 4.3 , 40 %(m/m) 1.13 g/mL 4.4 (11) 4.5 (19) 4.6 (11) 4.7 1 L 225 mL 175 mL ( 1.84 g/mL) , ( 1.17 g/mL) 150 mL ( 1.42 g/mL) 50 mL . . 4.8 , 100 g/L . 4.9 4, 4(Diantipyrylmethane) 15 g/L
4、4, 4 (C23H24N4O2) 15 g (1 49) 1 L . . 4.10 (III) (III) 24 Fe2(NH4)2(SO4)4 24H2O 6 g (4.5) 10 mL 1 L . 4.11 , 1.0 g TiO2/L . a) (99.9 %) 0.300 g 0.001 g , 50 mL (4.4) 50 mL . (1 4) . 500 mL . b) (99.9 %)( 9501 000 30 1055 ) 0.500 g 0.001 g 250 mL . 8 g ( 1.84 g/mL) 25 mL . . . 200 mL . (4.5) 100 mL 5
5、00 mL . . c) (potassium titanium oxalate) 2 K2TiO(C2O4)2 2H2O 2.215 g 0.001 g 250 mL ( 1.84 g/mL) 25 mL . 10 , 300 400 mL . 500 mL . . 4.12 25 mg TiO2/L (4.11) 5.0 mL 200 mL . (4.5) . . 5. 5.1 480 1 000 5.2 40 mL E ISO 6995:2001 3 5.3 / (95/5) . 7.5.1.3 25 mL 5.4 7.5.3 5.5 390 nm . 5.6 . 6. 150 m (1
6、). (1) . 2 . ISO 6137, : ISO 6140 7. 7.1 2 . “ ” , . 7.2 1 g 0.000 1 g . 7.3 . , . 7.4 (CRM, certified reference materials) . (CRM) . . 7.5 7.5.1 7.5.1.1 . 7.5.1.2 . 7.5.1.3 . 7.5.1.1 (7.2) 400 mL . (4.7) 60 mL . 80 . Fe2O315 %(m/m) . . . 21010 60 . 10 mm . 7.5.1.2 (7.2) (5.2) 10 g . . (5.1) 480500
7、45 . ( 30 ). , 2 . ( ), 400 mL (4.5) 140 mL . (4.4) 20 mL E ISO 6995:2001 4 . , . . 21010 60 . 7.5.1.3 (7.2) / (5.3 ) , / (4.2) 2 g . (5.1) 480500 5 , 900950 10 . . , ( , 30 mL ) . 400 mL 40 mL (4.4) 35 mL . . . , . 21010 60 . 7.5.2 7.5.1.1 , 7.5.1.2, 7.5.1.3 , 130 mL 80 90 40 . (5B) 250 mL . . 5 10
8、 mL 5 . 7.5.3 . 7.5.3 . . 7.5.3 7.5.2 (5.4) , , (5.1) 600 700 30 . . (4.4) 5 (4.3) 5 15 mL . , . . 3. . (4.2) 0.70.1 g . 1 000 45 . 1 2 . (4.5) 10 mL . (7.5.2) . . 1 . E ISO 6995:2001 5 1 TiO2 ( ) % (m/m) mL mL 0.52.0 2.04.0 4.08.0 25.00 25.00 25.00 50.00 100.00 200.00 7.5.4 7.5.3 5 mL , 50 mL . (II
9、I) (4.10) 5 mL (4.8) 5 mL 10 . (4.6) 10 mL , 4, 4 (4.9) 15 mL . 60 , 10 mm 390 nm . 7.6 (4.12) 2 , 50 mL . (III) (4.10) 5 mL (4.8) 5 mL . 10 . (4.6) 10 mL 4, 4 (4.9) 15 mL . 2 TiO2 (4.12)TiO2 mL g 0.0 2.0 4.0 6.0 8.0 0 50 100 150 200 60 , 10 mm 390 nm . (g) . 8. 8.1 . 41b2210mmm m1: (7.2) (g) m2: Ti
10、O2 (g) m2b: TiO2 (g) 8.2 E ISO 6995:2001 6 8.2.1 3 , . 3 TiO2 %(m /m) r R 2s MT/12/6 MT/12/2 MT/12/1 MT/12/5 1.29 2.59 3.22 5.27 0.01 0.03 0.03 0.04 0.05 0.06 0.13 0.12 0.10 0.15 0.26 0.25 r: R: 8.2.2 (ISO 5725 ) 3 , 3 r 2.77r . (CRM) 1 1 , 1 . . 2.77r . . 8.2.3 . 1) 5 . 2) 5 , 4 0 5 1 . 3) 5 4 0 ,
11、0, 2, 4, 6, 8 5 , 1, 3, 5, 7, 9 1 . 9. . a) b) c) d) e) KS E ISO 6995: 2001 (2006 ) (ISO 6995: 1985, IDT) Aluminium oresDetermination of titanium content4, 4-Diantipyrylmethane spectrophotometric method ICS 73.060.40 : : 2006 5 30 : 2001 12 31 2006 0231 : : ( ) KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKS