GOST ISO 15598-2013 Tea Method for determination of crude fiber content《茶 粗纤维含量的测定方法》.pdf

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1、 (ISO 15598:1989, IDT) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)ISO 155982013, - 1.092 . 1.22009 . -, . , , 1 “ ( ) 5 , 2 ()3 , ( 25 2013 . 55-) : ( 3166) 00497 ( 3166) 00497 AMBYKZKGMDRUTJUZ 4 28 2013 . 352- ISO 155982013 1 2014 .5 ISO 15598:1989 Tea Determination

2、 of crude fiber content (. ). . - 1.52001 ( 3.6). ISO TC 34/SC 8 ISO/TC 34 (ISO). (en). , , . - . (IDT)6 II ISO 155982013 -, - . () . , - - , 2014 -, III ISO 1559820131 .12 13 .14 .15 16 .27 28 29 310 411 .412 4 A () 5 () 6IV ISO 155982013 Tea. Method for determination of crude fiber content1 .2 , .

3、 . , - . ISO IEC - .ISO 1573:1980 . 103 CISO 3696:1987 . 3 :3.1 (crude fibre content): , - , . ( ) .4 ., . .5 5.1 , 3 3696.5.2 , , c (1/2H2SO4) = (2,040 c177 0,040) /3(100 1 3 ). 275 3 (c11420= 1,84 /3) , 5 3. .1 ISO 155982013 201401015.3 , , c (1/2H2SO4) = (0,255 c177 0,005) /3(12,5 1 3 ). 125 3 -

4、(. 5.2) 1 3.5.4 ,c (NaOH) = (2,504 c177 0,040)/3(100 1 3 ). 500 , 5 3. .5.5 , , c (NaOH) = (0,313 c177 0,005) /3( 12,5 1 3 ). 125 3 (. 5.4) 1 3.5.6 1- ( ).5.7 , 1 % (.). 10 3 (c11420= 1,19 /3) 1 3.5.8 95 % (.).5.9 .6 , :6.1 , 1 .6.2 1 3 ( , - ).6.3 , 200 3 .6.4 1 3.6.5 , 1 3( , ).6.6 , 12,5 , - - 70

5、 3.6.7 N 1 P 160 ( 100160 ), 40 70 3.6.8 ,(103 c177 2)C.6.9 , (550 c177 10) C.6.10 , .6.11 12,5 , 20 25 . Whatman N 541 *.7 , - . . 1839.8 (. 6.1) - 1 .* Whatman N 541 , . - - .2 ISO 1559820139 , (. 11.2), 9.19.3 .9.1 (wD) , (. 8) 103 C 1573.9.2 1 3(. 6.2) c1770,001 2 3 (. 8). m0.9.3 9.3.1 , (. 9.2)

6、, (. 6.3) 200 3 (. 5.3), .- .9.3.2 - (. 5.6), (. 6.5) 2 (. 6.4). 30 , - , .9.3.3 (.6.6)(.6.11).9.3.4 (. 9.3.2) . 10 . .9.3.5 50 3 , .9.3.6 (. 6.3) - 1 3, 200 3 (. 5.5), . .9.3.7 (. 5.6) 30 , (. 9.3.2). .9.3.8 , (.6.7),- -, .9.3.9 50 3 , (. 5.6) . (. 5.7) (. 5.8).9.3.10 (. 6.8) 103 2 . (. 6.10) c1770

7、,001 . 1 . . - , 0,001 . . m1.9.3.11 (. 6.9) 550 1 . (. 6.10) c1770,001 . m2.3 ISO 15598201310 w, ( ), , w =mmm120c45c215 100 c215100wD, m1 (. 9.3.10), ;m2 (. 9.3.11), ;m0 , ;wD (. 9.1), , .11 11.1 A. , , - .11.2 , - - , r, A.1, 5 % .11.3 , - , - R, A.2, 5 % .12 :- , ;- ;- ;- , , , ;- , .4 ISO 155982013 A() , 1994 . -, ( 5725*), A.1. A.1 12345 11 11 11 11 11 11 11 11 11 11 , % 28,63 9,67 18,95 22,85 9,35 , Sr0,4338 0,2341 0,2728 0,2143 0,1