1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS H 2019 KS H 2019:2012 2012 12 29 http:/www.kats.go.krKS H 2019:2012 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :2007 12 31 :2012 12 29 2012-0834 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS H 2019:2012 Beverage base 1 , , . , . 2 . . ( )
2、 . KS H 1101, KS H 2146, KS J ISO 4831, (MPN) KS J ISO 4832, KS J ISO 4833, 30 KS Q ISO 4121, 3 3.1 1 . 1 , . (mg/kg) 0.3 (mg/kg) 0.1 (mg/kg) 150 ( , .) (CFU/mL) 1.0102 ( , 3.0103 ) , , , . KS H 2019:2012 2 3.2 1 . 4 4.1 KS Q ISO 4121, 6.3.2 . 4.2 4.2.1 a) ( 5 20 g ) 50 70 mL, 10 40 mL . 5 20 mL . 2
3、 3 mL . 30 50 mL, 10 25 mL . . b) ( 5 20 g ) , 450 550 . (1 1) 50 % 40 g 20 g 100 mL 2 5 mL . 1 (1 1) 2 5 mL . 2 4 mL 1 2 mL ( Sn 1 N , 0.5 N ) . , , , Sn . 4.2.2 a) . . 1) , . 2) 10 50 mL 25 % 2 10 mL BTB 2 40 % 2 10 mL . 10 % DDTC 2 10 mL MIBK 1020 mL . MIBK KS H 2019:2012 3 . b) ICP . 1) ICP . 4.
4、3 4.3.1 4.2.1 . a) SATP 1) 1.1) SATP 1 g 100 mL . 2- (salicyliden amino-2-thiophenol) 0.1 g ( ). 1.2) 2,4- (2,4-dinitrophenol) 0.25 g 50 %(v/v) 100 mL . 1.3) ( ) 20 mL 100 mL . 1.4) 1 g 100 mL . 1.5) 1 g 100 mL . 1.6) Sn 0.500 g 30 mL . 30 % 1 mL 1 N 500 mL . 1 mL 1 N 100 mL . 1 mL 10 g Sn 2) 1.0 2.
5、0 mL 1 N 10 mL . 2 10 % 20 mL 20 %(v/v) 2 mL . 1 % 1 mL, SATP 5 mL 20 10 mL . 415 nm . 0.0, 1.0, 2.0, 3.0, 4.0 5.0 mL 1 N 10 mL . 4.4 KS J ISO 4833 . 4.5 KS J ISO 4831, KS J ISO 4832 . 4.6 KS H 2019:2012 4 KS H 2146 . 5 4. 3.1 6. . 6 6.1 . 6.2 . 7 KS H 1101 . 153787 1 92 3(16) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS H 2019:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Beverage base ICS 67.160.00