1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D 7042 KS D 7042:2012 2012 6 25 http:/www.kats.go.krKS D 7042:2012 : ( ) ( ) NS ( ) : (http:/www.standard.go.kr) ： ：1987 12 31 ：2012 6 25 2012-0254 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D 7042:2012 Platinum crucibles for chemical analysis
2、 1 ( .) ( .) . 2 . . ( ) . KS D 1836, 3 1 . 1 mL 10 PTCR 10 10 15 PTCR 15 15 20 PTCR 20 20 25 PTCR 25 25 30 PTCR 30 30 40 PTCR 40 40 50 PTCR 50 50 , PTCC 10 4 4.1 . 4.2 KS D 7042:2012 2 2 . 2 % Pt 99.9 Pd, Rh, Ru, Ir, Au, Ag, Cu Fe . 5 , 5.1 , , 3 . 3 , mm g mm g D1 D2 H d ( ) h ( ) 10 25 15 27 8 24
3、 2 2 15 28 17 31 12 27 2 3 20 32 19 34 16 31 3 4 25 34 20 38 20 33 3 5 30 36 22 40 24 35 3 6 40 41 25 45 33 40 3 7 50 44 1 27 147 1 42 +0.030 43 3 8 +0.030 D1 D2 d KS D 7042:2012 3 5.2 , , , , 4 . 4 , , mm mm g D1 D2 H h 25 1 15 1 30 1 5 1 18 0.03 0 1 . 2 . 6 KS D 1836 . 7 , , 6. 4. 5. . , , , 1 . 8 . 10 PTCR 10 9 1 1 . D1 D2KS D 7042:2012 4 1 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS D 7042:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Platinum crucibles for chemical analysis ICS 77.040.00; 77.140.90 Korean Agency for Technology and Standards http:/www.kats.go.kr
