KS E ISO 7335-2012 Iron ores-Determination of combined water content-Karl Fischer titrimetric method《铁矿石 化合水含量的测定 卡尔费舍尔(KarlFesher)滴定法》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS E ISO 7335 KS E ISO 7335: 2012 2012 9 14 http:/www.kats.go.krKS E ISO 7335:2012 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) : :2002 11 30 :2012 9 14 2012-0436 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS E ISO 7335:2012 i ii 1 1 2 1 3 1 4 1 5

2、2 6 4 6.1 4 6.2 .4 7 4 7.1 4 7.2 4 7.3 5 7.4 .5 8 .6 8.1 .6 8.2 .6 9 .8 A( ) 12 B( ) .13 C( ) .14 KS E ISO 7335:2012 ii 1987 1 ISO 7335, Iron ores Determination of combined water content Karl Fischer titrimetric method . KS E ISO 7335:2012 Iron ores Determination of combined water content Karl Fisch

3、er titrimetric method 1 . , 0.05% 10 % . “ ” 100 110 . 2 . . ( ) . KS E ISO 3082, KS E ISO 7764, KS L ISO 385 1, 1: ISO 3081, Iron ores Increment sampling Manual method ISO 3083, Iron ores Preparation of samples Manual method 3 105 . 950 . . . 4 , . KS E ISO 7335:2012 2 4.1 . 4.2 0.8 1.25 mm Mg(ClO4

4、)2 . . 4.3 . 35 kPa 10 L O2/L 4.4 (OHCH2 CH2OH) (CH3OH) (1 1) . 0.05 % . . , . 4.5 (2.5 3.0 mg H2O/mL) , . a) : b), c) d) . b) c) (1 )C(OH)(COOH)(CH2COOH)2 H2O d) (2 )(CHOH COONa)2 2H2O 5 1(2 ) 2( ) . 5.1 250 mL/min . . 5.2 (t1 t2) 250 mL . (4.1) . 5.3 (f1 f2) KS E ISO 7335:2012 3 1 2 . 150 mm (1052

5、) (95020) . . 5.4 1 . 30 mm 800 mm . . ( 2) 350 mm . 8 mm . 5.5 , . 100 mm, 20 mm 5 mm . 0.2 1 g 1 mg/mm2 3 g 1.5 mg/mm2 . 950 . 5.6 , 5.7 . . . 5.8 . 5.9 3 . , . 5.10 . 5.11 5.12 (0 50 A) KS E ISO 7335:2012 4 . 5.13 KS L ISO 385 1 , 25 mL . 6 6.1 ISO 3081 KS E ISO 3082 KS E ISO 3082 ISO 3083 100 m

6、. 160 m . KS E ISO 7764 . 6.2 . . KS E ISO 7764 (1052) ( ). 7 7.1 A 2 . “ ” . , . 7.2 1 (6.2) 0.1 mg . 1 % g 0.05 0.5 0.5 2 2 5 5 10 3 1 0.5 0.2 . KS E ISO 7335:2012 5 7.3 1 1 . . 6.2 . , . , . . 7.4 7.4.1 (1052) 7.4.17.4.3 . (4.3) 200 mL/min . . . 10 7.4.1 7.4.5 . (4.4) 40 mL . . . 7.4.2 (4.5) . .

7、(30 40 A) . 30 . 30 0.05 mL 10 . . 7.4.3 . (7.2) . (f1) . KS E ISO 7335:2012 6 . 30 , 7.4.2 10 . KS E ISO 7764 950 . 7.4.4 (95020) (f2) (95020) (f2) 105 (f1) 15 . 100 . 7.4.2 (4.5) . 7.4.5 7.4.1 7.4.4 . 1.0 mg/h(0.25 mg/15 min) . 8 8.1 ( %) . 1000001)(0mFVV10)(0mFVV (1) V : 7.4.4 (4.5) (mL) V0 : 7.4

8、.5 (4.5) (mL) F : (4.5) (mg/mL) m : (7.2) (g) 8.2 8.2.1 . r 0.043 1 X 0.017 7. (2) P 0.093 9 X 0.028 7 (3) r 0.015 2 X 0.006 3 . (4) L 0.031 3 X 0.008 8. (5) X : %( ) KS E ISO 7335:2012 7 (2) (4): (3) (5): (8.2.3) R : ( ) P : r : L : 8.2.2 . 15 . nNnssAA2r2LcWc2Wc2Lcc2 (6) Ac: A : sLc : sWc : nWc :

9、Nc : n : ( n 1) L r: 8.2.1 . (6) , Ac A , . . . (2) r 1 A . . . . a) Wc2Wc/ ns sLc . b) . nAA2r2Lc22 KS E ISO 7335:2012 8 8.2.3 . . a) 5 . b) 5 0 , 5 1 . c) 5 0 5 0, 2, 4, 6, 8 , 1, 3, 5, 7, 9 1 . 9 . a) b) c) , KS E ISO 7335 d) e) f) g) KS E ISO 7335:2012 9 5. . 1 (2 ) (5.4) (5.5) (5.3) t2(5.2) t1(

10、5.2) (4.1) (5.1) : mm950 105 ( 5.4) (4.2)KS E ISO 7335:2012 10 5. . 2 ( )( ) (f1) (5.1) (5.13) (5.10) (5.5) (5.9) t2(5.2) t1(5.2) (4.1) (5.11) (5.12) ( 5.4) ext. 8 mm (4.2): 350 mm int.: 30 mm KS E ISO 7335:2012 11 : mm 3 ( ) / KS E ISO 7335:2012 12 A ( ) r: 8.2.1 . x1, x2 | x1 x2| r | x1 x2| 1.2 r

11、x3, x4 x1, x2, x3, x4 1.3 r 4321, xxxxx44321xxxxxx4 x1, x2, x3 1.2 r 3321xxxx221xxxx3 KS E ISO 7335:2012 13 B ( ) 8.2.1 6 16 6 ( 2 ) 1976/78 1978/80 . C . B.1 % 76 4 Marcona Pellet 76 3 Philippine Iron Sand79 5 Algarrobo 76 19 Indian 76 20 Rompin 76 21 Robe River 0.05 0.23 1.34 2.29 4.14 7.65 1 ( IS

12、O/TC 102/SC 2 N601 E 1980.5) ISO/TC 102/SC 2 ISO/TC 102 . 2 KS A ISO 5725 . KS E ISO 7335:2012 14 C ( ) C.1 8.2.1 . C.1 X (%) % ( ) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS E ISO 7335:2012KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Iron oresDetermination of combined water content Karl Fischer titrimetric method ICS 73.060.10

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