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2、 and aluminum alloys 1 . 2 . . ( ) . KS D 1851, KS D 1863, KS D 1864, KS D 1865, KS D 1866, KS D 1867, KS D 1868, KS D 1869, KS D 1870, KS D 1872, KS D 1874, KS D 1880, KS D 1881, KS D 1882, KS D 1883, KS D ISO 3981, 3 KS D 1851 . 4 . KS D 1873:2012 2 5 KS D 1851 ( , , , , , , , , , , , , , , ) 100
3、. 6 a) KS D 1863 . b) KS D 1864 . c) KS D 1865 . d) KS D 1866 . e) KS D 1867 . f) KS D 1868 . g) KS D 1869 . h) KS D 1870 . i) KS D ISO 3981 . j) KS D 1872 . k) KS D 1874 . l) KS D 1880 . m) KS D 1881 . n) KS D 1882 . o) KS D 1883 . p) a) o) , . Al(%) 100 A A ： (%) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS D 1873:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Determination of aluminum in aluminum and aluminum alloys ICS 77.120.10
