GOST 31955-2012 Drinking water Detection and enumeration of Escherichia coli and coliform bacteria Part 1 Membrane filtration method《水质 大肠杆菌(Escherichia coli)和大肠菌群(coliform bacteri.pdf

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1、 Escherichia coli 1 (ISO 9308-1:2000, D) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)319552012(IS 9308-1:2000), - 1.092 . 1.22009 . -, . , , . 1 - - . . - 4 2 ( 343 )3 , (- 3 2012 . 54) : ( 3166) 00497 ( 3166) 00497 KZKGMDRUTJUZ -4 ISO 9308-1:2000 Water quality Detect

2、ion and enumeration of Escherichia coli and coliform bacteria Part 1: Membrane filtration method ( . Escherichia coli . 1. ) :- . - ;- , , - , - ., , -, IS 8199:1988. 1.52001 ( 3.6). - . (MOD). 5242620055 12 2012 . 1904- - 1 2014 .6 II 319552012 ( ) - , - . - , 2014 -, III 3195520121 .12 13 24 .25 ,

3、 36 , , 47 .58 .59 710 .711 7 () E.coli .8 () 9 () .12 () - 1415IV 319552012 Escherichia coli 1 Drinking water. Detection and enumeration of Escherichia coli and coliform bacteria.Part 1. Membrane filtration method1 Escherichia coli( E.coli) , ( ), ( ) - ( ). E.coli . . , , . , - , , 2761. E.coli 24

4、 - . - E.coli . , - , - .2 : / 170252009 177074 (O 104283, O 478880) ., , , . 276184 - ., 1 319552012(IS 9308-1:2000) 20140101 311877 . . 423377 . . 520881 . 583079 . . 670972 . 1380576 . - 1720696 . 1762681 . 1830087* . 2393290 . 2533682 . , - 2922791 ( 835-181) . -. 1. 319422012 (IS 19458:2006) .

5、- - , 1 , , . (), - () . , , , , .3 , :3.1 (lactose-positive bacteria): , - (36 c177 2) C (21 c177 3).3.2 (coliform bacteria): , .3.3 Escherichiacoli(E.coli):, - (44,0 c177 0,5) C (21 c177 3) .3.4 Escherichia coli (E.coli): , (44,0 c177 0,5) C (21 c177 3) . E.coli- .4 4.1 , - , , () . , E.coli 23 .

6、, - E.coli (21 c177 3) .* 516522000 - . .2 3195520124.2 , -. - - (36 c177 2) C (21 c177 3) ; , , - (36 c177 2) C 45 (44,0 c177 0,5) C 1920,.4.3 ( ) (8.3.2) -. E.coli - , . E.coli 100 - .4.4 ( ) , - L-, E.coli. E.coli 100 .5 , , , :5.1 .5.2 , (36 c177 2) C.5.3 , (44,0 c177 0,5) C. , 5.2 5.3, - , - (3

7、6 c177 2) C (44,0 c177 0,5) C.5.4 -, - c1770,1.5.5 *.5.6 * , , , , 47 50 , 0,45 , , , - ( ).5.7 0,2 ( ).5.8 . , - . , , . , - . *, - . - .5.9 254 . , .5.10 .* 1.* 2.3 3195520125.11 1,0, 5,0, 10,0 0,1 ( ) 29227.5.12 ( ) 25336.5.13 2- 1770: 100, 250, 500 ; 10, 15, 20 .5.14 () 23932 - , 60 .5.15 .5.16 .5.17

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