Method and apparatus for determining the flocculation threshold

Details Method and apparatus for determining the flocculation threshold Method and apparatus for determining the flocculation threshold

1988-08-17

1990-07-10

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

25022711, G01N 2159

Patent

active

049409000

ABSTRACT:
The flocculation threshold of a petroleum product containing asphaltenes is measured by measuring the radiation in the near infrared transmitted through a sample of the product in solution in a solvent in relation to the quantity of precipitant continuously added to the sample.

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Fraim et al., "Natural Gas Heating Value Determination Using Infrared Calorimeter"American Gas Association (undated).
Fredericks et al., "Materials Characterization Using Factor Analysis FT-IR Spectra. Part 1:Resutls", vol. 39, No. 2, Applied Spectroscopy (1985).
Briot, "Analyse en ligne par absorption infrarouge Essai de prospective", 12/1/67 pp. 71-78 Measures Regulation-Automatisme.
Fredricks et al., "Rapid Coal Characterization by FT-ir Spectroscopy", Jan. '84, 139-141 Fuel.
Fredricks et al., "Material Characterization Using Factor Analysis of FT-ir Spectra. Part 2: Mathamatical and Statistical Considerations", pp. 311-316 (1985) vol, 39, No. 2, Applied Spectroscopy.

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