KS B ISO 1768-2007 Glass hydrometers－Conventional value for the thermal cubic expansion coefficient(for use in the preparation of measurement tables for liquids)《玻璃密度计 体热膨胀系数的常规值(用.pdf

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2、 ( ) Glass hydrometers Conventional value for the thermal cubic expansion coefficient(for use in the preparation of measurement tables for liquids) 1975 1 ISO 1768, Glass hydrometers Conventional value for the thermal cubic expansion coefficient(for use in the preparation of measurement tables for l

3、iquids) , . 1 . . 2 , / , / . . . , , . 3 , 0.000 025/ . 4 4.1 , 0.000 025/ . 4.2 0.000 025/ . KS B ISO 1768： 2007 2 5 0.000 025/ 5.1 a) t (R) 0.000 025/ . b) / (R) . R R 1 (0.000 025 ) ( t) , 0.000 025/ R R 1 (0.000 025 ) ( t) R 1 (0.000 025 ) ( t) . R (0.000 025 ) ( t) 5.2 t 20 , KS M ISO 649 ( )

4、R 1 (0.000 025 ) ( 20) R (0.000 025 ) ( 20) . t 15 27 , 20 . 1 ( t) 1 , R(0.000 025 ) ( t) ： 0.001 g/mL (0.000 025 ) R 0.000 010 0.000 015 0.000 020 0.6 0.7 0.8 0.9 1.0 1.1 1.2 0.006 0.007 0.008 0.009 0.010 0.011 0.012 0.009 0.010 5 0.012 0.013 5 0.015 0.016 5 0.018 0.012 0.014 0.016 0.018 0.020 0.0

5、22 0.024 5.3 60/60 F 60/60 F . 5.1 . KS B ISO 1768： 2007 3 R 1 (0.000 025 )95( 60) F , . R 1 (0.000 025 )95( 60) . R (0.000 025 )95( 60) 2 ( 60) 1 , R(0.000 025 )95( 60) ： 0.001 (0.000 025 ) R 0.000 010 0.000 015 0.000 020 0.6 0.7 0.8 0.9 1.0 1.1 1.2 0.003 3 0.003 9 0.004 4 0.005 0 0.005 6 0.006 1 0

6、.006 7 0.005 0 0.005 8 0.006 7 0.007 5 0.008 3 0.009 2 0.010 0 0.006 7 0.007 8 0.008 9 0.010 0 0.011 1 0.012 2 0.013 3 KS B ISO 1768： 2007 4 KS B ISO 1768： 2007 , . 1 1.1 (KS ) 1961 ( ) 2004 12 19 865 . ISO KS . , , ISO 1768, Glass hydrometers Conventional value for the thermal cubic expansion coeff

7、icient(for use in the preparation of measurement tables for liquids) KS B ISO 1768： 2007, ( ) . 2 KS ( ) . , , . . 3 ( 1.) . 4 4.1 ( 2., 3., 4.) , 0.000 025/ . 4.2 0.000 025/ , 60/60 F . 5 , . . - ( ) 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS B ISO 1768： 2007 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Glass hydrometersConventional value for the thermal cubic expansion coefficient(for use in the preparationof measurement tables for liquids) ICS 17.060 Korean Agency for Technology and Standards http:/www.kats.go.kr