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Autoignition Temperature of Liquid Chemicals

Autoignition Temperature of Liquid Chemicals

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Need more Info? (514) 354-2511 - 1-800-463-4363

Test Method
Determines the lowest temperature at which the vapors of a liquid or solid chemical sample will self-ignite under prescribed laboratory conditions.

The temperatures at which 'cool flame' and 'hot flame' ignitions occur, as evidenced by sudden temperature increases in the sample flask, are measured and recorded, and the delay time between introduction of the sample and ignition is timed.

 

Autoignition Apparatus
  • Conforms to ASTM E659 specifications
  • Digital furnace temperature control
  • Digital flask temperature display
     
Modified crucible furnace with digital thermocouple readout of flask temperature at prescribed points per ASTM specifications. Linearized analog output permits connection to a strip chart recorder or datalogging instrument.
Furnace provides rapid response and ±1°C stability throughout the operating range of 200 to 1200°C. Cylindrical heating chamber provides excellent radial temperature uniformity.

Furnace cover has ports for flask exterior thermocouples, and a borosilicate glass thermocouple tube is provided to assure correct positioning of the gas temperature thermocouple inside the test flask. Thermocouples plug directly into the furnace control unit for quick disconnection when removing the flask.

A hinged holder in the cover facilitates handling of the test flask. Adjustable mirror permits safe viewing of the flask interior during testing. Control panel has temperature controls and digital thermocouple readout with four-position selector switch.

 

Specifications
Conforms to the specifications of: ASTM E659

  • Temperature Range: 200 to 1200°C
  • Temperature Control: digital setpoint solid state controller accurate to within ±1°C
  • Flask Temperature Display: 0-1200°C, with four position selector switch
  • Electrical Requirements: 220-240V 50/60Hz, Single Phase, 7.7A

 

Dimensions
  • Furnace: 15 x 15 x 22 (38 x 38 x 56)
  • Control Cabinet: 22 x 10 x 14 (56 x 25 x 36)

 

Shipping Information
  • Shipping Weight: 98 lbs (44.5kg)
  • Dimensions: 16.3 Cu. ft.

 

Ordering Information
Catalog No.
K47000 Autoignition Apparatus, 220-240V 50/60Hz
Accessories
362-001-000 Syringe, 1mL
K470-0-1-14 Needle, 6", stainless steel
308-115-001 Recorder, 115V 50/60Hz
Records signal from the internal gas
thermocouple in strip chart form.
308-230-006 Recorder, 220-240V 50/60Hz
374-115-001 Hot Air Gun
For purging product gases between tests
115V 50/60Hz
374-230-001 Hot Air Gun, 220-240 50/60Hz
332-003-007 Test Flask, 500mL

 

Convertisseur d'unités