1、 554132013 1 - , , ( ) 4, 2 3 29 2013 . 64-4 97112 (STM D 97112 Standard testmethod for interfacial tension of oil against water by the ring method). - 1.52012 ( 3.5). - -, 5 1.02012 ( 8). ( 1 ) , -.() - . , (gost.ru) , 2014 , - - II 5541320131 12 13 .14 25 .26 47 .48 49 .410 511 512 .6 () ( - ) 7II
2、I 554132013 Insulating mineral oils.Determination of interfacial tension of oil against water by the ring method 201401011 1.1 - .1.2 -, . - .2 1): 117 , (ASTM D 117, Guide for sampling, test methods,and specifications for electrical insulating oils of petroleum origin) 923 (ASTM D 923, Practices fo
3、rsampling electrical insulating liquids) 2285 (ASTM D 2285, Test method for interfacial tensionof electrical insulating oils of petroleum origin against water by the drop-weight method)2) 60475:2011 (IEC 60475:2011, Method ofsampling insulating liquids)3 , - -, . , , , . - , 60 .1) ACTM ATM www.astm
4、.org - ATM: serviceastm.org. (Annual Book of ASTMStandards) ATM.2). www.astm.org.1 554132013 4 4.1 . - . .5 5.1 1)(12). - , - 0 100 /.1) -, Du Nouy.2 5541320131 ; 2 ; 3 ; 4 ; 5 ; 6 ; 7 ; 8 (/);9 ; 10 ; 11 ; 12 1 5.1.1 - , , , .5.2 - . . - 40 , 0,3 . R r . 25 .5.2.1 .5.3 . , 45 .3 5541320131 ; 2 ; 3
5、; 4 ; 5 ; 6 -; 7 ; 8 ; 9 ; 10 - ; 11 ; 12 ; 13 2 . 6 6.1 . . . .6.2 . , - .7 7.1 , - , . , , . , .7.2 , - 5 -. . , . 5 . .7.3 , - ( ), - .8 . . .9 9.1 9.1.1 25 3 923 60475.9.1.2 5070 3.9.1.3 . , - . .9.1.4 - c1771C.9.2 9.2.1 , c1770,001 /3.9.3 9.3.1 , 1015 . , -. . . .9.3.2 . .9.3.3 , 6 .9.3.4 - . ,
6、 .-4 554132013 . -. . .9.3.5 10.2, 0,997 /3 (D d) . 7173 /. , . , .9.3.6 ( ), -10. . .9.3.7 (30 c177 1) .9.3.8 9.3.4 . 30 . . , - . , , - (60 c177 10) .10 10.1 , /, = PF, (1) P , / ( 1);F 10.2. 1 , , - (/) .10.2 R/r, , - F1) . P/(D d) 0 800 .F = 0,7250 +1452 167920 04534,(),/,PCDdRrc45c43c45,(2) P , /; , ;D , /3;d , /3;R , ;r , .11 11.1 :11.1.1 .11.1.2 , ( ).11.1.3 (/).1) . Zuidema and Waters, Industrial and Engineering Chemistry, Analytical Edition,IENAA, Vol. 13, 1941, p. 312.5 55413201312 12.1 ( 95 %) -.12.2 () , - , 0,04x