1、 (ISO 6059:1984, NEQ)(ISO 7980:1986, NEQ) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)319542012, - 1.092 . - 1.22009 . , . -, , , 1 - 2 ()3 , (, 3 2012 . 54) : ( 3166) 00497 ( 3166) 00497 YKZKGMDRUTJUZ -4 ISO 6059:1984 Water quality Determination of the sum of calcium
2、 and magnesium EDTA titrimetricmethod ( . . ), ISO 7980:1986 Water quality Determination of calcium andmagnesium Atomic absorption spectrometric method ( . .- ). (NEQ) 5240720055 12 2012 . 1899- - 1 2014 .6 , - . () . - , , 2013 -, II 3195420121 12 13 .24 ( ) 25 .66 .10III 319542012 , . , - , . 10 -
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4、. 545679 . . 545775 . 670972 . 1065273 . -N,N,Nc162,Nc162- 2- ( ). / 170252009 - 1743380 . . 1830087 . 2395088 . 2533682 . , 2916991 ( 64877) . 1 319542012 2922791 ( 835-181) . . 1. 2925191 ( 385-184) . . 1. 318612012 . 318622012 . 318652012 . 318702012 . - - - , 1 , , . (), - () . , , - , , .3 3186
5、1, 31862 17.1.5.05. 400 3 200 3 - , . 24 . - ( ) 2. , , . - -. 1. , , - , * .4 ( )4.1 . = 10 . 0,1 . , (. 4.3.8) = 6 7. , (. 4.3.7) = 6 7. -. ( )=67 - . . 10 /3 ; 0,05 /3 , -, , ; 0,1 /3 (II), , , , , 200 .-=10.2 319542012* 521092003 , . . 200 /3, , , 20 /3,5/3, , , , 1 /3 - 2 3 (. 4.3.6); -1/3, , 2
6、0 /3, 0,3 /3 5 10 (. 4.3.5). ( ) 0,45 . 4.5, . , . , .4.2 , , , () () () - =0,95c177 1,5 %. * 220 , - c177 0,75 .- . 1770 2- . 29227 2- 29169 2- . 29251 2- 25 3 () 10 3. () 1770. 25336. 2-50 25336. 25336. 25336. . 0,45 . , (80 c177 5) C. . 6709 () ( , ). 2- -N,N,Nc162,Nc162- 99,5 % - () (-N,N,Nc162,Nc162- 2-) 10652, . . . . . - =0,95c177 1,0 % - () () .- () 0,1 /3. 18300. ( ) - ( ). 3773, . . . 3760 (25 %-), . . 3118, . ., 4461, . . 4328, . . 4233, . . 2053, . . . 5456, . . . . . , , , .* 532282008 . 1. . .3 3195420124.3 4.3.1 25 /3 80 C , 9,31 , - 1000 3, 40 C 60 C
