1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS 2006 12 18 http:/www.kats.go.krKS B ISO 4785 KS B ISO 4785: 2006 (2011 ) B ISO 4785: 2006 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2006 12 18 :2011 12 30 2011-0716 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . ICS 71.040.20 KS B ISO 4785: 2006(20
2、11 ) Laboratory glassware Straight-bore glass stopcocks for general purposes 1997 1 ISO 4785 Laboratory glassware Straight-bore glass stopcocks for general purposes . 1. 2 . ( ) (ground zone) . . A . 2. . . IEC ISO . ISO 719: 1985 Glass Hydrolytic resistance of glass grains at 98 Method of test and
3、classification ISO 3585: 1991 Borosilicate glass 3.3 Properties ISO 4803: 1978 Laboratory glassware Borosilicate glass tubing 3. 3.1 (10.006)/10 0.006 10 . 1. ISO 383 . ISO 383: 1976 B . 2. , . 3.2 1 m 0.5 m . Ra “ ” ISO 468 . 4. 4.1 1 ( ). 1 1.5 2.5 4 6 10 R 5 . 4.2 2 ( ). 1 1.5 2 3 4 5 6 8 10 B IS
4、O 4785: 2006 2 4.3 1 1 . 4.4 2 . 5. 0.8 ( 2 ). 3 . 3.3 ISO 4803 . 6. 6.1 ISO 3585 3.3 . ISO 719 , HGB3 . . 6.2 . 7. . ( 3 ). . . 1 , B ISO 4785: 2006 3 2 5. 3 8. 1 3 . 9. . ( 4) ( 18.8) KS B ISO 4785, 4 18.8 10. 2 . 18.8 ( ) B ISO 4785: 2006 4 1 : mm d1(1)l1(2)l2 7.50.008 22 110.215 80.008 20 100.21
5、5 100.008 25 12.50.215 12.50.01 28 140.215 13.50.01 30 150.215 14.50.01 30 150.215 18.80.015 38 190.26 190.015 40 200.26 21.50.015 44 220.26 22.20.015 44 220.26 27.60.015 52 260.26 29.20.015 58 290.26 37.80.015 56 280.26 (1) ISO 383 . (2) l2 , l1 . 2 : mm dn d1 l1 1 2 7.5 22 1 8 20 1 10 25 1 12.5 28
6、 1.5 13.5 30 1 13.5 30 1.5 13.5 30 2 14.5 30 2.5 18.8 38 4 19 40 3 19 40 4 21.5 44 6 22.2 44 5 22.2 44 6 27.6 52 8 29.2 58 10 37.8 56 10 B ISO 4785: 2006 5 3 dn d2 0.4 l1 1 2 7 115 7 100 1 8 100 1.5 7 115 1 8 115 1.5 8 115 2 9 100 2.5 10 110 4 10 115 3 10 115 4 13 120 6 12 115 5 12 130 6 14 130 8 18
7、 120 10 17 140 10 B ISO 4785: 2006 6 A() 1 ISO 383: 1976 Laboratory glassware Interchangeable conical ground joints 2 KS L ISO 384: 2005 3 ISO 468: 1982 Surface roughness Parameters, their values and general rules for specifying requirements 4 ISO 641: 1975 Laboratory glassware Interchangeable spher
8、ical ground joints 5 KS B ISO 1773: 2006 6 KS L ISO 3819: 2006 7 KS B ISO 4142: 2006 8 ISO 4796: 1977 Laboratory glassware Bottles 9 KS L ISO 4797: 2006 10 KS B ISO 4798: 2006 11 ISO 4799: 1978 Laboratory glassware Condensers 12 ISO 4800: 1977 Laboratory glassware Separating funnels and dropping fun
9、nels 13 ISO 6556: 1981 Laboratory glassware Filter flasks 7 KS B ISO 4785: 2006 , . 1. 1.1 (KS ) 1961 ( ) . ISO KS . , , ISO 4785: 1997 Laboratory glassware Straight-bore glass stopcocks for general purposes KS B ISO 4785: 2006 . 2. KS () . , , . . 3. ( 1.) 2 . ( ) . 4. 4.1 ( 3.) . 4.2 ( 4., 5.) . 4
10、.3 ( 6., 7., 8., 9., 10.) , , , . 5. , . . B ISO 4785: 2006 8 6. ( ) 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 B ISO 4785: 2006 Laboratory glasswareStraight bore glass stopcocks for general purposes ICS 71.040.20
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