JPS55121130A - Measuring method for diffusion coefficient in laplace transforming method - Google Patents

Measuring method for diffusion coefficient in laplace transforming method

Info

Publication number
JPS55121130A
JPS55121130A JP2725879A JP2725879A JPS55121130A JP S55121130 A JPS55121130 A JP S55121130A JP 2725879 A JP2725879 A JP 2725879A JP 2725879 A JP2725879 A JP 2725879A JP S55121130 A JPS55121130 A JP S55121130A
Authority
JP
Japan
Prior art keywords
laplace
diffusion coefficient
measurement
measuring
diffusion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2725879A
Other languages
Japanese (ja)
Inventor
Yoshihiro Iida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Showa Denko KK filed Critical Showa Denko KK
Priority to JP2725879A priority Critical patent/JPS55121130A/en
Publication of JPS55121130A publication Critical patent/JPS55121130A/en
Pending legal-status Critical Current

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  • Measurement Of Resistance Or Impedance (AREA)

Abstract

PURPOSE: To take an accurate measurement by measuring a diffusion coefficient by measuring concentration variation at a measurement point in a diffusion system and then by performing the Laplace integral processing of this measured value while setting properly a Laplace parameter and measurement time.
CONSTITUTION: At a measurement point in a diffusion system, concentration variation is measured as the function of time and Laplace-integrated to measure a diffusion coefficient through Laplace transformation of the 2nd Hook's law. The measurement point can be fixed at three points in the diffusion system, at two points or at one point of ∞. The product of the Laplace parameter and measurement time is preferably set to 8W12.
COPYRIGHT: (C)1980,JPO&Japio
JP2725879A 1979-03-10 1979-03-10 Measuring method for diffusion coefficient in laplace transforming method Pending JPS55121130A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2725879A JPS55121130A (en) 1979-03-10 1979-03-10 Measuring method for diffusion coefficient in laplace transforming method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2725879A JPS55121130A (en) 1979-03-10 1979-03-10 Measuring method for diffusion coefficient in laplace transforming method

Publications (1)

Publication Number Publication Date
JPS55121130A true JPS55121130A (en) 1980-09-18

Family

ID=12216046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2725879A Pending JPS55121130A (en) 1979-03-10 1979-03-10 Measuring method for diffusion coefficient in laplace transforming method

Country Status (1)

Country Link
JP (1) JPS55121130A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015210119A (en) * 2014-04-24 2015-11-24 日本電信電話株式会社 Diffusion coefficient measurement method and diffusion coefficient measurement device
JP2017015424A (en) * 2015-06-29 2017-01-19 日本電信電話株式会社 Method for measuring molecular weight distribution, and molecular weight distribution measurement device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015210119A (en) * 2014-04-24 2015-11-24 日本電信電話株式会社 Diffusion coefficient measurement method and diffusion coefficient measurement device
JP2017015424A (en) * 2015-06-29 2017-01-19 日本電信電話株式会社 Method for measuring molecular weight distribution, and molecular weight distribution measurement device

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