1、 KS H ISO 1578KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS H ISO 1578: 2007 2007 9 4 http:/www.kats.go.krKS H ISO 1578: 2007 : () ( ) F&B () ( ) : (http:/www.standard.go.kr) : :2002 8 19 :2007 9 4 20070582 : : ( 025097266) (http:/www.kats.go.kr ). 7 5 , . KS H ISO 1578: 2007 i 1975 1 ISO 1578, Tea De
2、termination of alkalinity water-soluble ash . ISO 1578 ISO/TC 34 . KS H ISO 1578: 2007 Tea Determination of alkalinity of water-soluble ash 1 . 2 . . KS H ISO 1572, KS H ISO 1575, KS H ISO 1576, 3 . 3.1 . 4 . 5 5.1 0.1 N (7.1.1 ) 5.2 L 0.5 g . KS H ISO 1578: 2007 2 6 6.1 KS H ISO 1576 . 6.2 (5.2) (5
3、.1) . 2 . 7 7.1 , (KS H ISO 1572 ) 100 g (KOH) . 7.1.1 100 g . RSmV 100100100 V : 0.1 N (mL)( ) m0 : (KS H ISO 1575 ) (g) RS : KS H ISO 1572 5.1 . 7.1.2 , . RSmV 10010000010560 V, m0, RS: 7.1.1 . 7.1.3 2 . 8 . . 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS H ISO 1578: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Tea Determination of alkalinity of water-soluble ash ICS 67.140.10