GOST 31957-2012 Water Methods for determination of alkalinity and mass concentration of carbonates and hydrocarbonates《水 碳酸盐和碳酸氢盐碱性和质量分数的测定方法》.pdf

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1、2013 , ()INTERSTATE COUNCIL FOR STNDARDIZATION, METROLOGY AND CERTIFICATION(ISC) (ISO 9963-1:1994, MOD)(ISO 9963-2:1994, MOD) 31957 2012 319572012II, - 1.092 . 1.22009 . , - . , , , 1 - 4 2 3 , ( 3 2012 . 54) : ( 3166) 00497 ( 3166) 00497 AM KZ KG RU TJ UZ 4 : ISO 9963-1:1994Water quality Determinat

2、ion of alkalinity Part 1: Determination of total and composite alkalinity (. . 1. ), ISO 9963-2:1994Water quality Determination of alkalinity Part 2: Determination of carbonate alkalinity ( . . 2. ) :- . .;- , - .;- , , - , - . - 1.52001 ( 3.6). . (MOD). 5296320085 12 2012 . 1910- - 1 2014 . , 2013

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6、 . . . . . . . . . . . . . . 319572012 1 Water. Methods for determination of alkalinity and mass concentration of carbonates andhydrocarbonates 201401011 ( ) , , , - , - c :- , - ( ), , 8,3 4,5, ;- , , , - , 5,4. 0,1 100 /3. 6 6000 /3 - 6,1 6100 /3. 10 /3 . :- , ( ) ;- , ;- 0,5 /3, - . 0,1 /3 0,1 3

7、200 3 , 1,8 /3 . , . , - .- , . - . , . , - , , . 319572012 2 319572012 . , , - .1 ( ).2 -: / 170252009 - 8.1352004 . - 2- 3- . . 17.1.5.0585 . . - , 8379 . . 177074 (O 104283, O 478880) . , , . 311877 . . 419976 . 10-. 432877 . . 4919.277 . 670972 . 675588 -. 1491983 , . - 1779272 2 1830087 . 24104

8、2001* . 2533682 . , - 2706886 . ( ) 5-. - 2916991( 64877) . 2922791 ( 835-181) . . 1. 2925191 ( 385-184) . . 1. - 308132002 . 318612012 . 318622012 . - - - , 1 , . - (), () . , , , , .* 532282008 . 1. . .3 3195720123 30813, - :3.1 , (alkalinity, A): - . , . () . , , , .3.2 (total alkalinity, ): , 4,

9、5. 1 -, - -: 2(32-) + (3-) + (-) (+) + ().2 1 methyl red (methyl orange) endpoint alkalinity.3.3 (composite alkalinity, ): , 8,3. 1 - -: (32-) (2) + (-) (+) + ().2 1 phenolphthalein endpoint alkalinity; compositealkalinity (Ap).3.4 (carbon alkalinity): , 5,4. 2 alkalinity (A). , .4 31861, 31862 17.1.5.05 200 3 . () , . . , 6 , 4 8 , 24 .5 ( )5.1 , , , 24104 (II) (- ) 0,1 220 . () () - = 0,95 1 %.-, ( -) (