1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2006 1 18 http:/www.kats.go.krKS D ISO 11426 ()KS D ISO 11426: 2006 (2011 )D ISO 11426 : 2006 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2006 1 18 : 2011 12 29 2011-0704 : : ( 02- 509-7274) (http:/www.kats.go.kr). 10 5 , . ICS 39.060 KS () D ISO 11426:
2、2006(2011 ) Determination of gold in gold jewellery alloys Cupellation method(fire assay) 1997 2 ISO 11426 Determination of gold in gold jewellery alloysCupellation method(fire assay) . 1. ( ) . 333 999 0/00( ) . , . 990 : ( ) . KS D ISO 9202 . 2. . . KS D ISO 9202: 2006 3. , . , . . 990 0/00( ) / ,
3、 . 4. . 4.1 33 %( )(20 1.2 g/mL) . 4.2 49 %( )(20 1.3 g/mL) . 4.3 , . , , . 4.4 999.9 0/00( ) , . 4.5 333 990 0/00( ) : 999.9 0/00( ) . 990 0/00( ) : 999.99 0/00( ) . 4.6 , 999.9 0/00( ) , . 4.7 , 999 0/00( ) , . D ISO 11426 : 2006 2 4.8 999 0/00( ) , . 4.9 (Na2B4O7) 5. 5.1 (cupellation furnace) . .
4、 5.2 6 g 22 mm , 10 g 26 mm 5.3 5.4 . 5.5 5.6 5.7 (polished anvil) . 5.8 (polished hammer) 400 g , . 5.9 (scorification) 50 mm . 5.10 5.11 5.12 ( ). 6. . , . 7. . (試石 , touch stone) . ( ) . 7.1 7.1.1 2 0.01 mg 125 250 mg (4.3) . ( ) 200 mg 4 g , 201 300 mg(250 mg) 6 g . 2.3 3 (4.4) . 7.1.2 2 ( ) (4.
5、5) (4.4) 7.1.1 . . 7.1.3 7.1.4 . 7.1.3 (5.1) 1 000 (5.2) (7.1.2) . 1 050 1 150 D ISO 11426 : 2006 3 . 25 . . (5.6) . , (5.12) . (5.7) (5.8) , . 0.12 0.15 mm . . . . 7.1.4 / . (5.3) . 5 20 mL (4.1) . 15 . . 20 mL (4.2) 15 . 20 mL (4.2) 10 . (60 70 ) . ( )(5.4) . 700 750 5 . . (thimble) / / . 90 (4.1)
6、 . 15 . , (4.2) 15 . , . , 700 750 5 . , . 7.2 , 2 . . 7.2.1 . 4 g (4.3) . , . . (5.1) . . 7.2.2 2 g (4.3) . 125 250 mg 2.3 3 . 15 g 1.5 2 g (4.9) (5.9) 1 000 . . 20 30 1 100 ( 2 ) . , . 7.1.3 . D ISO 11426 : 2006 4 . 7.3 ( ) , . , 4 g , 2.5 , ( 50 mg) (4.8) . . . 7.4 40 % . 7.5 999 0/00 999 0/00( )
7、 . 7.1 . a) 250 mg . 7.1.1 (205) mg (4.8) . b) . 999.99 0/00( ) (4.5) , (10 mg) . 2 . c) 2 g (4.3) . 15 . d) , . . e) 7.1.4 . . , . (5.3) . 8. 8.1 (0/00) (WAu) . 312Au10+=mmW m1: (mng) m2: (mg) : (mg) 8.2 0.5 0/00( ) , 1.0 0/00( ) , 990 0/00( ) 0.2 0/00( ) . . 990 0/00( ) , (8.1) 0.04 mg . . 9. . a)
8、 , , b) D ISO 11426 : 2006 5 c) d) (0/00) e) , f) g) h) i) () 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKSKorean Agency for Technology and Standards http:/www.kats.go.kr KS D ISO 11426: 2006 Determination of gold in gold jewellery alloys-Cupellation method(fire assay) ICS 39.060