1、 56340 2015 563402015 II 1 - ( ) , 4 2 160 3 10 2015 . 67- 4 106412 - (ASTM E 106412 Standard test method for water in organic liquids by coulometric Karl Fischer titration). - 1.52012 ( 3.5). - , 5 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2015 , 563402015 1 Organic liquids. Determination of water
2、 by coulometric Karl Fischer titration 2016 01 01 1 1.1 0 % . 2,0 % . - . (), , , () . . 1.2 . 1.3 , , - . 1.4 -, . . 8. 2 : 2.1 ATM1) 1193 (ASTM D 1193, Specification for reagent water) 4672 . - (ASTM D 4672, Test method for polyurethane raw materials: determination of wa-ter content of polyols) E
3、180 - (ASTM E 180, Practice for determin-ing the precision of ASTM methods for analysis and testing of industrial and specialty chemicals)2) E 203 (ASTM E 203, Test method for water using volumetric Karl Fischer titration) 3 3.1 - . - . , , . 1 10,71 . 1) ACTM ATM www.astm.org - ATM: serviceastm.org
4、 (Annual Book of ASTM Standards) . 2) 2009 . 563402015 2 4 4.1 - , ( KF). , 2,0 %, - . 100 % . (. 1 6). 1 , 3 0 500 / . . 500 1000 / . . 1000 2000 / . 0,2 % . 0,5 % . . . 0,5 % . 2,0 % . . 5 2 1 0,5 0,1 5 5.1 , - . 1) , - . 5.2 E 203 , , , - , - . 6 6.1 2) , , - , . , , - . , - , , -. 6.2 50 3, 115
5、 . 1 , 100 1 . . 6.3 20 3, 115 (. 1). 6.4 1 5 3, 115 (. 1). 6.5 5 , 115 (. 1). 6.6 TFE . 6.7 , . , . 6.8 . 6.9 , (100 5) C. 1) J. Mitchell, Jr. and D. M. Smith, Aquametry A Treatise on Methods for the Determination of Water, Part IIIThe Karl Fischer Reagent, 2nd Ed., J. Wiley and Sons, Inc., New Yor
6、k, NY 1990. 2) : M. T. Kelley, R. W. Stelzner, W. R. Laing, and D. J. Fisher, Analytical Chemistry 31, No. 2, 220 (1959) and A. W. Meyer, Jr. and C. M. Boyd, Analytical Chemistry 31, No. 2, 215 (1959). 563402015 3 6.10 , . 6.11 , 0,0001 . 7 7.1 , - 1). , , - . 7.2 II III 1193. 7.3 - KF. - KF . - KF
7、 - . . . . - . - , . - . 2 , : Hydranal Manu-al- Eugen Schotz reagents for Karl Fischer titration, from Riedel-deHaen (www.rdhlab.de), Sigma Aldrich (www.sigmaaldrich. com) Moisture measurement by Karl Fischer Titrimetry, 2nd ed., by GFS Chemicals, Inc., Janu-ary 2004. 7.3.1 ( ), , , - . 7.3.2 ( ),
8、 - . 7.3.3 20 /3. 8 8.1 , , , , - . . 9 9.1 - , . 9.1.1 100 . . 9.1.2 25 . 9.2 . 1) Reagent Chemicals, American Chemical Society Specificatios, American Chemical Society, Washigton, D.C. ( . , , ). , . Analar Snandards for Laboratory Chemicals, BDH Ltd., Poole, Dorset, U.K. ( -), the United States P
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