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3、 D 3437, Practice for sampling and handling liquid cyclic products) 6809 - (ASTM D 6809, Guide for quality control and quality assurance procedures for aromatic hydrocarbons and related materials) E29 (ASTM E 29, Practice for using significant digits in test data to determine conformance with specif
4、ications) E203 - (ASTM E203, Test method for water using volumetric Karl Fischer titration) 2.2 OSHA , 29 (), 1910 1910.1200 (OSHA Regulations, 29 CFR paragraphs 1910 and 1910.1200)2)1) ACTM ATM www.astm.org - ATM: serviceastm.org. (Annual Book of ASTM Standards) . 2) , 732 . -, NW, : 732 N. Capitol
5、 St., NW, Mail Stop: SDE, Washington, DC 20401, http:www.access.gpo.gov. 563472015 2 3 3.1 - , H2O + I2 + SO2 + CH3OH + 3RN (RNH) SO 4CH3 + 2 (RNH)I , (1) RN . 3.2 , , , -. . 4 4.1 - , . 4.2 , , . 4.3 , . 5 5.1 ( KF). , , - , , . 5.2 KF , - . 5.3 KF E203 -3).6 6.1 , - , , . 6.1.1 - , ( ). - , . , .
6、 , , . , - . , - , . 6.1.2 - ( ), . , , . - , - . , - , -. 6.2 5 10 3.6.3 10. 6.4 . 3)Mitchell, J. Jr. and Smith, D. M., Aqua me try A treatise on Methods for the Determination of Water, Part IIIThe Karl Fischer Reagent, 2nded., J. Wiley and Sons, Inc., New York, NY, 1977. 563472015 3 6.5 , 110 . 6
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8、Washington, D.C. ( . , , ). , . Annular Standards for laboratory chemicals, BDH Ltd., Poole, Dorset, U.K. ( ), - the United States pharmacopeia and national formulary, U.S. Pharmacopeia Convention, Inc. (USPC), Rockville, MD. ( ). 563472015 4 9.3 12 110 . - . 9.4 , . -. 9.5 KF , - 12.5. . 9.6 , - , - . . 10 10.1 , -, . . . - , : a) , ; b) .10.2 , . 65%. 10.3 10 3,0 -. 3000 (3,0 ) 2. 65%. 11 11.1 , - , 200500 . . 11.2 - . 11.3 , , , . 11.4 , , KF
