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Patent Searching and Data


Title:
DETERMINATION OF VERY SMALL AMOUNT OF MOISTURE
Document Type and Number:
Japanese Patent JPS5942446
Kind Code:
A
Abstract:

PURPOSE: To enable the easy, quick and exact analysis, by separating materials except water which react with a Karl-Fischer's reagent by utilizing the column of a gas chromatograph, then conducting the water and the materials which do not react with the reagent to an analysis device.

CONSTITUTION: Moisture is removed with a moisture removing filter 3 from the carrier gas introduced from a carrier gas introducing line 2, and while a sample (liquid, gas) injected from a sample introducing line 1 is forced into a gas chromatograph (sepn. tube) 4, the sample is introduced into the gas chromatograph. A filler which can separate the moisture contained in the sample and the materials which react with a Karl-Fischer's reagent is beforehand packed in the tube 4, and the gas except moisture is released from a discharging line 6 by the operation of a three-way cock 5. The moisture and the material which do not react with the Karl-Fischer's reagent are conducted to an analysis device 7 and the moisture is determined.


Inventors:
HAYASHIDA NAOHARU
FUJIOKA YUUICHI
SHIRAKAWA SEIICHI
TAKAMOKU HIDETOSHI
Application Number:
JP15177682A
Publication Date:
March 09, 1984
Filing Date:
September 02, 1982
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
G01N30/00; G01N31/16; (IPC1-7): G01N31/06
Attorney, Agent or Firm:
Akira Uchida