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4、).1 ppm = 1 / = 1 / = 1 / = 104%.2) 2758991 ( 68774) . - .3) 556612013 ( 1171:2010) . .1 329772014 311877 . . 446177 . . ISO 5068-22012 . . 2. - 1) 656375 . 661386 . 670972 . 2) 965675 . . 1048478 . . 1074271 , , , . 113032013 . 113052013 . ISO 117222012 . . 3) 1386768 . 170702014 . 1990890 , , , ,
5、 . 2308378 , . 2533682 . , 2731395 ( 117077) . - - - , 1 , . (), , (-) . , , , , .3 17070. 27313.4 :- (500 c177 10) ;- , - ;- - -. 1 - : - .1) 529172008 ( 11722:1999, 5068-2:2007) . .2) 525012005 ( 3696:1987) - . .3) 529172008 ( 11722:1999, 5068-2:2007) . .2 329772014 1 - - , : Be Cr Cu Mn Ni Pb V
6、Zn234,9357,9324,8279,5232,0283,3318,0213,9N2OC2H2N2OC2H2C2H2C2H2C2H2C2H2N2OC2H2C2H25 , . . . 13867.5.1 67091).5.2 (HCl), , c11420= 1,19 /3 3118.5.3 (HNO3), , c11420= 1,42 /3 4461.5.4 (HF), , c11420= 1,17 /3 10484.5.5 , : (5.3) (5.2) (5.1). .5.6 (H3O3) 9656.5.7 , : 60 (5.6) 1 3 (5.1), . - .5.8 100 /3 - () . - , . ( 99,9 % 99,999 %) , . (6.7). , , - . - 0,01 10 /3 .6 6.1 - -.1) 2- 52501. . 52501 2- .3 329772014 - . , -.6.2 , - 400 1000 . 1 . . ISO 1171.6.3
