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Automatic aniline point apparatus available from Particle Test

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article image Automatic aniline point apparatus

The automatic aniline point apparatus, available from Particle Test , performs aniline point and mixed aniline point determinations automatically by means of a modified thin film technique (ASTM D611 Method E).

The sample-aniline mixture is directly heated by a platinum immersion heater and the aniline point is detected photoelectrically. Temperature is displayed on a large LED indicator.

Built-in pressure regulator and solenoid valve permit the use of cooling air for quicker cooling cycles or to determine subambient aniline point temperatures. Aniline points as low as 0°C (32°F) can be determined with the use of refrigerated cooling air.

The apparatus is equipped with variable controls for heater, light source and stirrer speed. Cabinet exterior surfaces have a chemical resistant polyurethane enamel finish.

  • Conforms to the specifications of ASTM D611; IP 2; ISO 2977; DIN 51775; FTM 791-3601; NF M 07-021
  • Testing range: 0 to 150°C (32 to 302°F)
  • Temperature display: 0-999.9°C

Test method
Aniline point is used to characterise pure hydrocarbons and to indicate the aromatic content of hydrocarbon mixtures. Equal volumes of aniline and sample or sample plus n-heptane are stirred together while being heated at a controlled rate.

After the two phases become miscible, the mixture is cooled at a controlled rate and the temperature at which the two phases separate is the aniline point or mixed aniline point of the sample.

Features and benefits:

  • Conforms to ASTM D611 and related specifications
  • For samples ranging from clear to dark
  • Temperature range 0° to 150°C (32 to 302°F)
  • Digital temperature display

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