Transcription of Standard Test Method for Water Using Volumetric …
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Standard Test Method for Water Using Volumetric …
Designation: E 203 01 Standard Test Method forWater Using Volumetric Karl Fischer Titration1 This Standard is issued under the fixed designation E 203; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or Standard has been approved for use by agencies of the Department of This test Method is intended as a general guide for theapplication of the Volumetric Karl Fischer (KF) titration fordetermining free Water and Water of hydration in most solid orliquid organic and inorganic compounds. This test Method isdesigned for use with automatic titration systems capable ofdetermining the KF titration end point amperometrically;however, a manual titration Method for determining the endpoint visually is included as Appendix X1.
the methanol solvent and use a methanol-free titrant(1). The cyanhydrin reaction may be used to eliminate the interference (2). NOTE 8—Strong amines are considered to be those with Kbvalue >2.4 3 10−5.Use salicylic acid-methanol solution (Section 7).
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