1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 1657 , 1,10- KS M ISO 1657:2012 2012 4 11 http:/www.kats.go.krKS M ISO 1657:2012 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2012 4 11 2012-0151 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 1657:2012 i 1986 2 ISO 1657, Rubber, raw
2、and rubber latex Determination of iron content 1,10-Phenanthroline photometric method , . KS M ISO 1657:2012 , 1,10- Rubber, raw and rubber latex Determination of iron content1,10-Phenanthroline photometric method 1 , 5 1 000 mg/kg 1,10- . 2 . . ( ) . KS M ISO 123, - KS M ISO 124, , KS M ISO 247, KS
3、 M ISO 1795, ISO 1796, Rubber, raw Sample preparation ISO 4793, Laboratory sintered(fritted) filters Porosity grading, classification and designation 3 . . pH (III) (II) . (II) 1,10- - . . KS M ISO 6685( 1,10- ) . 4 . . KS M ISO 1657:2012 2 4.1 , 1.19 g/cm3 1) 4.2 1,10- (1,10-Phenanthroline), 0.5 g
4、1,10- (monohydrate) , 500 cm3 . . 4.3 (hydroxylammonium chloride), 10 g 100 cm3 . 4.4 164 g 250 cm3 28.5 cm3 1.05 g/cm3 . 500 cm3 . , 80 g 106 g 200 cm3 142.5 cm3 1.05 g/cm3 500 cm3 . 4.5 , 0.1 g Fe 1 000 cm3 (one-mark) 0.000 5 g 0.702 g (II) (NH4)2Fe(SO4)2 6H2O . 1.19 g/cm3 3 cm3 . 1 . 1 cm3 0.1 mg
5、 Fe . 4.6 , 0.01 g Fe 10 cm3 (4.5) 100 cm3 . 1 cm3 0.01 mg Fe . (4.5) . 5 5.1 (colorimeter) (spectrophotometer) 1) 12 (Conference Generale des Poids et Mesures) (cm3) . . KS M ISO 1657:2012 3 5 cm 510 nm . 5.2 50 80 cm3 . 5.3 (muffle furnace) (52525) . 5.4 (heat-resistant board) , 100 mm2 6 mm (sili
6、ca triangle). 3 2 . 5.5 50 cm3 . 5.6 5.7 (porosity) P 40 P 100 (ISO 4793 ). 6 , KS M ISO 1795 . KS M ISO 123 . 7 7.1 , ISO 1796 . , KS M ISO 124 , 10 g , . . , , , , . 7.2 7.2.1 KS M ISO 1657:2012 4 50 cm3 (5.5) 020 cm3 ( 0, 0.5, 5, 10, 15, 20 cm3) (4.6) . 0 200 g . 7.2.2 7.2.1 1 cm3 (4.1), 10 cm3 (
7、4.4), 1 cm3 (4.3), 10 cm3 1,10- (4.2) . . 15 . 7.2.3 5 cm ( 510 nm) (5.1) . . (double-beam) . 7.2.4 7.2.1 . . 7.3 . 7.3.1 (7.1) 10 g 0.1 g . (5.2) 0.01 g . (5.4) . 2) (5.3) (55025) . , 150 mm (ashless) . (55025) . (first hour) (furnace) . , . 5 cm3 (4.1) 5 cm3 (steam bath) 30 60 (digest) . 5 cm3 2)
8、. KS M ISO 1657:2012 5 30 . (5.7) 50 cm3 (5.5) , . 7.3.2 2 cm3 (4.1) (7.3.1) 400 g 50 cm3 . 10 cm3 (4.4) , 1 cm3 (4.3) 10 cm3 1,10- (4.2) . . 15 . 7.3.3 (blank) , . 7.3.4 (7.3.1) (7.3.3) . . (double-beam) . 8 , . (Fe) (ppm) . 9 . a) b) c) d) e) , 1,10- 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS M ISO 1657:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Rubber, raw and rubber latex Determination of iron content 1,10-Phenanthroline photometric method ICS 83.040.10 Korean Agency for Technology and Standards http:/www.kats.go.kr
