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Patent Searching and Data


Title:
CHLOROBENZENES ANALYZER
Document Type and Number:
Japanese Patent JPH11295292
Kind Code:
A
Abstract:

To provide a device for analyzing chlorobenzenes in exhaust gases without the need for a dehumidifier.

A device for automatically analyzing chlorobenzenes is provided with at least a concentrating device 2, a gas chromatograph 5, and a detector 6, and a data processing device 8 as necessary. The concentrating device 2 comprises a heating means 3 and a cooling means 81 using a low-temperature fluid, is capable of temperature control, and is placed in a low-humidity or low-moisture atmosphere. In addition, the device for automatically analyzing chlorobenzenes is provided with a gas straying means 63 to spray dry air or inert gas to the outside part of the concentrating device 2 and a piping system to introduce a gas containing helium as a main component, which is the carrier gas of the gas chromatograph 5, from the gas outlet of the detector 6 to the gas spraying means 63.


Inventors:
MIYAZAWA KUNIO
NAGANO HIDEKI
KONDO TAKAAKI
Application Number:
JP9476098A
Publication Date:
October 29, 1999
Filing Date:
April 07, 1998
Export Citation:
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Assignee:
NIPPON KOKAN KK
International Classes:
G01N30/08; B01D53/04; G01N30/26; G01N30/88; (IPC1-7): G01N30/88; B01D53/04; G01N30/08; G01N30/26
Attorney, Agent or Firm:
Shigeru Takano