JPS5773659A - Method and apparatus for measuring clouding point and pour point of liquid - Google Patents

Method and apparatus for measuring clouding point and pour point of liquid

Info

Publication number
JPS5773659A
JPS5773659A JP15045580A JP15045580A JPS5773659A JP S5773659 A JPS5773659 A JP S5773659A JP 15045580 A JP15045580 A JP 15045580A JP 15045580 A JP15045580 A JP 15045580A JP S5773659 A JPS5773659 A JP S5773659A
Authority
JP
Japan
Prior art keywords
thermostat
temperature
sample
unit
point
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.)
Granted
Application number
JP15045580A
Other languages
Japanese (ja)
Other versions
JPS618384B2 (en
Inventor
Toshihiko Kawamura
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.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
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 Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Priority to JP15045580A priority Critical patent/JPS5773659A/en
Publication of JPS5773659A publication Critical patent/JPS5773659A/en
Publication of JPS618384B2 publication Critical patent/JPS618384B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26—Oils; Viscous liquids; Paints; Inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G01N33/2811—Oils, i.e. hydrocarbon liquids by measuring cloud point or pour point of oils

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

PURPOSE:To easily measure a clouding point and a pour point in a short time, by sampling a sample to be measured in a transparent test tube and inserting the test tube into the plural units of thermostat set up at different temperatures successively. CONSTITUTION:Cooled liquid cooled in a low temperature thermostat 6 preliminarily is passed each unit of the thermostat 3a, 3b, ... successively through an inflow tube 7 and temperature in each unit of the thermostat is made so as to be a prescribed temperature gradient by controlling an opening degree of a regulation valve 10 by a temperature controller 12. After that, a sample tube 14 sampled the sample is transferred in the unit of the thermostat from the side of high temperature to that of low temperature successively at every prescribed time and a clouding point is determined by the temperature recognized the deposition of paraffin. Separately, the tube 14 is made in an opened state for a time in each unit of the thermostat by operating a pinch cock 17 and movement of the sample by a minute stress of the atomsphere is observed and then, a pour point is determined as +alpha by the temperature in no fluctuation. Hereby, measurement is performed accurately with a small amount of sample.
JP15045580A 1980-10-27 1980-10-27 Method and apparatus for measuring clouding point and pour point of liquid Granted JPS5773659A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15045580A JPS5773659A (en) 1980-10-27 1980-10-27 Method and apparatus for measuring clouding point and pour point of liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15045580A JPS5773659A (en) 1980-10-27 1980-10-27 Method and apparatus for measuring clouding point and pour point of liquid

Publications (2)

Publication Number Publication Date
JPS5773659A true JPS5773659A (en) 1982-05-08
JPS618384B2 JPS618384B2 (en) 1986-03-13

Family

ID=15497296

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15045580A Granted JPS5773659A (en) 1980-10-27 1980-10-27 Method and apparatus for measuring clouding point and pour point of liquid

Country Status (1)

Country Link
JP (1) JPS5773659A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60201243A (en) * 1984-03-26 1985-10-11 Agency Of Ind Science & Technol Method for measuring refractoriness of porcelain clay
EP0355053A3 (en) * 1988-08-16 1990-08-01 Exxon Chemical Patents Inc. Process for assessing wax settling in a fuel
US5117679A (en) * 1989-05-31 1992-06-02 Exxon Chemical Patents Inc. Testing apparatus and method
US5651614A (en) * 1995-01-20 1997-07-29 Betzdearborn Inc. Cloud point and pour point analyzer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60201243A (en) * 1984-03-26 1985-10-11 Agency Of Ind Science & Technol Method for measuring refractoriness of porcelain clay
EP0355053A3 (en) * 1988-08-16 1990-08-01 Exxon Chemical Patents Inc. Process for assessing wax settling in a fuel
US5117679A (en) * 1989-05-31 1992-06-02 Exxon Chemical Patents Inc. Testing apparatus and method
US5651614A (en) * 1995-01-20 1997-07-29 Betzdearborn Inc. Cloud point and pour point analyzer

Also Published As

Publication number Publication date
JPS618384B2 (en) 1986-03-13

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