Title:
METHOD AND DEVICE FOR MEASURING WATER CONTENT IN HYDROGEN FLUORIDE-CONTAINING COMPOUND
Document Type and Number:
WIPO Patent Application WO/2011/108384
Kind Code:
A1
Abstract:
Provided is a method for measuring the water content of a hydrogen fluoride-containing compound represented by the general formula XF·nHF (where X is one of K, NH4, Na or Li, and n is a rational number greater than 0). The method includes: a step for heating and decomposing the hydrogen fluoride-containing compound; and a step for obtaining the water content of the hydrogen fluoride-containing compound by quantitatively determining the water content in pyrolysis gas generated by heating and decomposition. By means of this measurement method, it is possible to quantitatively determine the water content in a hydrogen fluoride-containing compound, represented by XF·nHF, in an accurate manner.
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Inventors:
KIKUCHI AKIOU
TOKUNAGA NOBUYUKI
TOKUNAGA NOBUYUKI
Application Number:
PCT/JP2011/053663
Publication Date:
September 09, 2011
Filing Date:
February 21, 2011
Export Citation:
Assignee:
CENTRAL GLASS CO LTD (JP)
KIKUCHI AKIOU
TOKUNAGA NOBUYUKI
KIKUCHI AKIOU
TOKUNAGA NOBUYUKI
International Classes:
G01N31/12; G01N1/10; G01N31/00
Foreign References:
| JPH0456789A | 1992-02-24 | |||
| JP2006308502A | 2006-11-09 | |||
| JPH05281170A | 1993-10-29 | |||
| JPH05281121A | 1993-10-29 | |||
| JPH08101145A | 1996-04-16 | |||
| JPH02234056A | 1990-09-17 | |||
| JPS6171356A | 1986-04-12 |
Attorney, Agent or Firm:
HASHIMOTO, Takeshi et al. (JP)
Hashimoto 剛 (JP)
Hashimoto 剛 (JP)
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Claims:
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