KS D ISO 11490-2001 Determination of palladium in palladium jewellery alloys-Gravimetric determination with dimethylglyoxime《钯饰合金中钯的测定 丁二酮肟重量的测定》.pdf

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1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2001 12 31 http:/www.kats.go.krKS D ISO 11490 KS D ISO 11490: 2001(ISO 11490: 1995, IDT) (2011 ) D ISO 11490: 2001 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2001 12 31 : 2011 12 29 2011-0704 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . ICS 39.06

2、0 KS D ISO 11490: 2001(ISO 11490: 1995, IDT)(2011 ) Determination of palladium in palladium jewellery alloys Gravimetric determination with dimethylglyoxime 1995 ISO 11490, Determination of palladium in palladium jewellery alloysGravimetric determination with dimethylglyoxime . 1. ISO 9202 . , , , ,

3、 , , , . . 2. . . ISO 9202: 1991, Jewellery Fineness of precious metal alloys 3. . . , . 4. , . 4.1 20 1.41 g/mL, 69 %(m/m) 4.2 38 %(m/m), 20 1.19 g/mL 4.3 8.5 %(m/m), 20 1.04 g/mL 4.4 10 g 1 L . 4.5 4.6 1.39 %(m/m), 20 1.00 g/mL (4.1) 10 mL 1 L . 4.7 40 %(m/m), 20 1.13 g/mL 4.8 49 %(m/m), 20 1.4 g/

4、mL 98 %(m/m), 20 1.86 g/mL 100 mL 100 mL . 4.9 / 4.10 D ISO 11490: 2001 2 4.11 (4.2) (4.1) 3: 1 . . 5. 5.1 A.1 5.2 10 mL 5.3 5.4 900 . 5.5 6. . . 7. 7.1 0.5 mm 150 200 mg 0.01 mg . 800 mL (4.1) 10 mL 70 80 20 , (4.2) 30 mL . 7.2 . 7.3 , . 10 mL (4.2) , 100 mL . 7.4 12 , (4.6) . (5.3) . 7.5 (7.3) (7.

5、4) 20 mL 400 mL . 15 100 mg 30 mL 5 mL . 7.6 1 , (4.4) 10 . (5.3) . 7.7 110 120 3 . (NH4Cl) 3 mm . 40 mm 4 g . 7.8 ( 40 ) , . 80050 1 . 340 . 7.9 (4.9) , (4.10) . 7.10 . 7.11 (5.2) (4.7) , (4.8) 3 . D ISO 11490: 2001 3 . . . 700 7.9 . . 7.12 (4.11) . 7.1 7.11 . 7.13 ICP (5.3) . . . 8. 8.1 8.1.1 wPd

6、1/1 000( ) . wPd312310+mmm m1: (mg) m2: (mg) m3: (mg) 8.1.2 wPd 1/1 000( ) . wPd31x2310+mmmm mx: (mg) 8.1.3 wPd1/1 000( ) my(mg) . wPd31yx2310+mmmmm my: (mg) 8.2 1 000 5 . . 9. . a) , , b) c) d) ( ) e) f) g) h) D ISO 11490: 2001 4 A() A.1 Rose Rose 153787 1 92 3(13) (02)26240114 (02)2624 01489 http:/ KS D ISO 11490:2001 (ISO 11490: 1995, IDT) Determination of palladium in palladium jewellery alloysGravimetricdetermination with dimethylglyoximeICS 39.060 KSKSKSSKSKS KSKS SKS KSKS SKSKS KSKSKS Korean Agency for Technology and Standards http:/www.kats.go.kr

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