1、 KS H ISO 15598KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS H ISO 15598: 2007 2007 9 4 http:/www.kats.go.krKS H ISO 15598: 2007 : () ( ) F&B () ( ) : (http:/www.standard.go.kr) : :2002 7 31 :2007 9 4 20070582 : : ( 025097266) (http:/www.kats.go.kr ). 7 5 , . KS H ISO 15598: 2007 i 1999 ISO 15598, Tea
2、 Determination of crude fibre content . ISO 15598 ISO/TC 34 (SC 8) . KS H ISO 15598: 2007 Tea Determination of crude fibre content 1 . 2 . . KS H ISO 1573, 103 KS M ISO 3696, 3 . 3.1 . %(m/m) . 4 . , , . . 5 . 5.1 KS M ISO 3696 3 . 5.2 c(1/2 H2SO4) (2.0400.040) mol/L( 1 L 100 g ). ( 20 1.84 g/mL) 27
3、5 mL 5 L . KS H ISO 15598: 2007 2 . 5.3 c(1/2 H2SO4) (0.2550.005) mol/L( 1 L 12.5 g ) (5.2) 125 mL 1 L . 5.4 c(NaOH) (2.5040.040) mol/L( 1 L 100 g ) 500 g 5 L . . 5.5 c(NaOH) (0.3130.005) mol/L( 1 L 12.5 g ) (5.4) 125 mL 1 L . 5.6 1 5.7 1 % ( ) (20 1.19 g/mL) 10 mL 1 L . . 5.8 95 %( ) . 5.9 6 . 6.1
4、1 mm 6.2 1 L ( ) 6.3 200 mL . 6.4 1 L . 6.5 (cold finger condenser) KS H ISO 15598: 2007 3 1 L ( ). 6.6 (Buchner flask) 12.5 cm (Hartley) . 6.7 70 mL No. 1 P160( 100 m 160 m ), 40 mm . 6.8 (1032) . 6.9 (55010) . 6.10 . 6.11 12.5 cm, 20 m 25 m . (Whatman) No. 5411) . 7 . , KS H ISO 1839 . 8 (6.1) , 1
5、 mm . 9 9.1 9.3 2 . 9.1 (8.) KS H ISO 1573 (103 ) (w) . 9.2 1 L (6.2) (8.) 2 3 g 0.001 g . (m0) . 1) No. 541 . ISO .KS H ISO 15598: 2007 4 9.3 9.3.1 (6.3) (5.3) 200 mL , . . . 9.3.2 2 3 (5.6) , (6.5) (6.4) 2 . 30 . . 9.3.3 (6.11) (6.6) . 9.3.4 . 10 . . 9.3.5 50 mL 2 . 9.3.6 (6.3) (5.5) 200 mL 1 L .
6、. . 9.3.7 2 3 (5.6) , (9.3.2) 30 . . 9.3.8 (6.7) . 9.3.9 50 mL , (5.6), . (5.7) 2 (5.8) 3 . 9.3.10 103 2 . (6.10) 0.001 g . 1 . . 0.001 g . . (m1) . 9.3.11 550 (6.9) 1 . (6.10) , 0.001 g . (m2) . 10 w , . KS H ISO 15598: 2007 5 D021100100wmmmw = m0 : (g) m1 : (9.3.10)(g) m2 : (9.3.11)(g) wD : (9.1)
7、11 11.1 A . . 11.2 2 A.1 (r) 5 % . 11.3 2 A.1 (R) 5 % . 12 . ( ) KS H ISO 15598: 2007 6 A ( ) ( ) . ISO 1994 A.1 (ISO 57252) ) . A.1 1 2 3 4 5 11 11 11 11 11 11 11 11 11 11 %, 28.63 9.67 18.95 22.85 9.35 sr0.433 8 0.234 1 0.272 8 0.214 3 0.153 7 % 1.50 2.42 1.44 0.94 1.64 r(2.8sr) 1.214 6 0.655 5 0.
8、763 8 0.599 9 0.430 5 sR1.103 2 0.674 6 1.235 4 1.185 5 0.540 1 % 3.85 6.98 6.52 5.19 5.77 R(2.8sR) 3.089 0 1.888 8 3.459 1 3.319 5 1.512 3 2) ISO 5725: 1986( ) . KS H ISO 15598: 2007 7 1 KS H ISO 1839, 2 ISO 5725: 1986, Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS H ISO 15598: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Tea Determination of crude fibre content ICS 67.140.10