GOST ISO 17075-2011 Leather Method of chromium (VI) content determination《皮革 铬(VI)含量测定方法》.pdf

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1、 (VI)(ISO 17075:2007, IDT) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)ISO 170752011, - 1.092 . 1.22009 . -, . , -, , 1 - - ( ) , 52 3 , ( 29 2011 . 40) : ( 3166) 00497 ( 3166) 00497 AZAMBYGEKZKGMDRUTJTMUZUA - 4 14 2011 . 1520- ISO 170752011 - 1 2012 .5 ISO17075:2007L

2、eather Chemicaltests Determination chromium (VI) content (. . (VI). - 1.5 ( 3.6). - , - . (IDT). 1707520076 II ISO 170752011 ( ) - . , - . - , 2013 -, , III ISO 1707520111 .12 13 14 .15 26 .27 .28 .49 .5 A () 6 () .6 () - .8IV ISO 170752011 (VI)Leather.Method of chromium (VI) content determination1

3、(VI) 3 /.2 :ISO 2418:2002 Leather. Chemical, physical and mechanical and fastness tests. Sampling location(. )ISO 3696:1987 Water for analytical laboratory use; Specification and test methods ( - . )ISO 4044: 2008 Leather. Chemical tests. Preparation of chemical test samples (. )ISO 4684:2005 Leathe

4、r. Chemical tests. Determination of volatile matter (. )3 :3.1 (VI): (VI) , - pH 7,58,0. (VI) (/) , .4 (VI) pH 7,58,0 , . (VI) 1,5- 1,5-,- , 540 ., , . , - ( , pH, - . .), , , .1 ISO 170752011 201207015 . . .5.1 22,8 K2HPO4c215 3H2O 1000 3, pH 8,0 + 0,1 (5.3). (5.6).5.2 1.0 1,5- (NNC65)2 100 3 (3)2,

5、 - CH3COOH. - 14 +4 C.5.3 700 3 1,71 /3 1000 3.5.4 2,829 K2Cr2O7(5.8) 1000 3 . 1 3 1 .5.5 13 (5.4) 1000 3 (5.1). 1 3 1 .5.6 , . , , .5.7 3- ISO 3696.5.8 K2Cr2O7 (16 c177 2) (102 c177 2) C.5.9 .6 6.1 50150 1.6.2 250 3.6.3 , , .6.4 - .6.5 0,45 ( ).6.6 25 3,100 3 1000 3.6.7 .6.8 , 540 .6.9 4 - .6.10 ,

6、, (RP) 18.6.11 (SPE) .7 7.1 ISO 2418, ISO 4044. .ISO2418 (, , ), .2 ISO 1707520117.2 (VI) (2,00 c177 0,01) 0,001 . 100 3 (5.1) (6.2). (5.6) (6.3) 5 ( 50 c177 10 3/). , . V0. (VI) c (180 c177 5) , - . . 3- . pH , 7,5 8,0. pH , .7.3 (VI) , :- (6.10) 5 3 (5.9);- 5 3 (5.7);- 10 3 (5.1). (6.10) . , 7.2,

7、10 3(V1) (6.10) SPE (6.11). 25 3(6.6). 10 3 (5.1). (V2) (5.1). S1. (6.7) 10 3(V3) S1 (6.6) 25 3. (5.1) 3/4 . 0,5 3- (5.3) 0,5 3 (5.2), (V4) (5.1) . (15 c177 5) . 540 4 . (7.4). A1. 10 3 S1, 25 3 , , (5.2). - 540 4 . A2.7.4 25 3 3/4 (5.1), - 0,5 3 (5.3) 0,5 3 (5.2). - (5.1) . . , , 7.3, - SPE .7.5 (5

8、.5) -253.(VI) - . (0,515,0) 3(5.5). (5.5) - 25 3. 0,5 3 (5.3) 0,5 3 - (5.2) .(5.1)(15 c177 5).- 540 (6.9) , 7.4. (), X (VI) (/3),Y . . , -3 ISO 170752011 . - 0,9.7.6 7.6.1 ( ) , . 10 3 (7.2) , (VI), , (VI) , (c177 25 %). , - 11 3. (7.3). A1sA2s. (). - , . -80%. (VI) , , - . , 7.6.2 90 %, , (VI) . , - . 80 %.7.6.2 (5.5).,- (VI) , 100 3 (5.1). (VI) , . (VI). , (VI)