1、 21687 2014 ( ) c ISO 21687:2007 Carbonaceous materials for the production of aluminium Determination of density by gas pyknometry (volumetric) using helium as the analysis gas Solid materials (IDT) 216872014 II 1 ( ) , 4. 2 109 3 03 2014 . 67-. 4 21687:2007 . . ( ) c (ISO 21687:2007 Carbonaceous ma
2、terials for the production of aluminium Determination of density by gas pyknometry (volumetric) using helium as the analysis gas Solid materials) , . 5 1.02012 ( 8). ( 1 ) , - . () - - . , (gost.ru) , 2014 , 216872014III 21687:2007 . . ( ) c (ISO 21687:2007 Carbonaceous materials for the production
3、of aluminium Determination of density by gas pyknometry (volumetric) using helium as the analysis gas Solid materials), ISO/TC 226 . DIN 51913:2001 . ( ) . , NMP 281 . () . 216872014 1 . ( ) c Carbonaceous materials for the production of aluminium Determination of density by gas pyknometry (volumetr
4、ic) using helium as the analysis gas Solid materials 20150701 1 ( ). . . 2 : 3310-1:2000 . . 1: (ISO 3310-1:2000, Test sieves of metal wire cloth.Specifications) 6257:2002 . . (ISO 6257:2002, Carbonaceous materials used in the production of aluminium Pitch for electrodes Sampling) 6375:1980 . . (ISO
5、 6375:1980, Carbonaceous materials for the production of aluminium Cokes for electrodes Sampling) CO 8007-1:1999 , . . . 1. (ISO 8007-1:1999 Carbonaceous materials used in the production of aluminium Sampling from athodic blocks. General) 3 : (density of a solid material): . Vm , (1) , /3; m , ; V ,
6、 3. 4 0,063 . ( ) c . 216872014 2 , , , - . 5 5.1 , , , . 5.2 , 0,063 , , , , . 5.3 50 60 30 40 . 5.4 . 5.5 0,063 3310-1. 5.6 ( ), (110 5) C. , 9. 5.7 , . 5.8 . 5.9 . 5.10 , . 5.11 99,996 % ( ). 5.12 , 0,1 . 6 , 6.1 6.1.1 ISO 6257. , 50 (5.3), 2 (5.6) 50 C 110 C. , . . (5.4), 0,063 , (5.2), (5.5). 0
7、,063 . 6.1.2 O 6375. , 0,063 , (5.2), (5.5). , . , , . , . 6.1.3 O 8007-1. . , 0,063 , (5.2), (5.5). , . , , 216872014 3 . , . 6.2 , 0,063 . 110 C 1 a (10 ) 30 . , (5.7), . 7 , . 8 , (/3) , Vm , (2) , /3; m , ; V , 3. , , 1PPVVV21expcell, (3) Vcell , 3; Vexp , 3; P1 , ; P 2 , a. 9 9.1 : a) ;b) ;c) ,
8、 ; ASTM E 691:1999 : - 150 a; - 20 ; - / 135 a; - 0,034 5 a/. 95 %- . 9.2 () , , 20 , . 1,28 /3 1,32 /3, : () r = 0,003 /3. 2,06 / 3 2,09 /3, : () r = 0,004 /3. 216872014 4 2,06 /3 2,12 /3, : () r = 0,002 /3 9.3 , , 20 , . 1,28 /3 1,32 /3, : R = 0,015 /3. 2,06 /3 2,09 /3, : R = 0,014 /3. 2,06 /32,12
9、 /3, : R = 0,006 /3. 9.4 9.4.1 () 1,28 /3 1,32 /3, , , 0,003 /3. 9.4.2 2,06 /3 2,09 /3, , , 0,014 /3. 10 : a) ; b) , ; c) ; d) , (/3), 0,001 /3; e) ; f) . 216872014 5 () .1 8007-1:1999 MOD 542522010 (ISO 8007-1:1999) , . . . 1. 3310-1:2000 IDT 3310-12002 . 1. . 6257:2002 * 6375:1980 * * . . . : - IDT ; - MOD . 216872014 6 ASTM E 691:1999 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method (ASTM E 691:1999 ) 216872014 621.3.035:006.354 71.100.10 19 1000 : , , ,
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