1、 556832013 () ISO 7393-3:1990(NEQ) 1 - 2 343 3 - 31 2013 . 1319-4 7393-3:1990 . . 3. (ISO 7393-3:1990 Water quality Determination of free chlorine and total chlorine Part 3: Iodometrictitration method for the determination of total chlorine, NEQ)5 1.02012 ( 8). ( 1 ) , -.() - . , - (gost.ru) , 2014
2、, - - .II 5568320131 .12 13 24 .25 .26 , 27 38 .69 610 611 712 .7 9III 556832013 () Drinking water. Method for the determination of total chlorine in situ 201501011 ( ) - () 0,15 2,0 /3 .2 : 5725-62002 ( ) . 6. 532282008 . 1. . 6175 . . 8379 . . 19978 . 3-. 177074 ( 104283, 478880) . -, , , . 420477
3、 . . 422075 . . 423274 . . 670972 . 1016376 . . 1491983 , . - 2533682 . , 2706886 . 5-. 2831189 . - 2922791 . . 1. 2925191 . . 1. / 170252009 - 318612012 . 318622012 . 1 556832013 - , 1 , - . - , , . , - , (). , , , , , . , -, , , .3 :3.1 (free chlorine): , - , .3.2 (combined chlorine): , - (, ) - .
4、3.3 () (total chlorine, synonym total residual chlorine): - .4 31861 31862. 500 3. -, .5 , ( 4,56,2). , , , , - .6 , , , - (), 0,3 , c177 0,6 c17710,0 53228.- , c1770,1 2-1000-2 1770.1-10-2,1-100-2,1-500-2,1-1000-21770. 1-1-2-5, 1-1-2-10 29227. 1 5 32103 - c1771 % 28311. 2 . ( ) , 150200 , 35 3, - L
5、iquipette, 7.3. 1-1-2-10-0,02 1-1-2-10-0,05 29251 10 32- .2 556832013 ( ) , 710594, - c1773%. 500 3 1770 () 100 500 3 . 500 3 25336. 250 3 750 3 25336. 1000 3 25336. 14919. 6709. ( ) 4232, . . ( ) 4220, . . . - (-) . 4204, . 61, . . 10163, . . .5-( ) 27068,.- () . 3- ( ) 199, . . . , () 98 %. ( ) 83
6、, . . , , , , .7 , .7.1 7.1.1 (Na2S2O3c215 5H2O) 0,1 /3 1000 3 25,0 (Na2S2O3c215 5H2O) 200 3 , 0,2 - . - () - . 3.7.1.2 (Na2S2O3c215 5H2O) 0,01 /3 7.1.1. 1000 3100 3 0,1 /3(. 7.1.1), 0,2 . 3 .7.1.3 (1/6K2Cr2O7) 0,1 /3 - () , . - () -: 1000 3 4,90 (K2Cr2O7) 200 3- . 6 .3 5568320137.1.4 (1/6K2Cr2O7)0,
7、01/3 , 7.1.3, - . , 1000 3 100 3 (. 7.1.3) . 3 .7.1.5 25 %250 , 7.4, 750 3 . 3 .7.1.6 10 % 10,00 , 7.4, 90 3- 2,5 7.1.5. , 1000 3 400 3 7.1.5 - . 3 .7.1.7 5,0 100 3 . 1000 3 900 3 , 23 . - 1,0 . - 5 , 0 5 14 .7.1.8 (CH3COOH) 1 /3 1000 3 57 3 600700 3 . 6 .7.1.9 (4,5 c177 0,1) 1000 3 102 3 , - 7.1.8, 13,35 (3N c215 32) - . 3 . -. - 0,2 , .7.1.10 , 1:41 4 - . , 1000 3 800 3 200 3 . .7.2 - (Na2S2O3c215 5H2O) 0,01 /37.2.1 250 3, , - 5 3 10 % (. 7.1.6) ( 0,5 - 2 3 ), 5 3 (. 7.1.10), 9 3 (. 7.1.4), 80 3- .