Method for quantitative analysis of hydrocarbon

Details Method for quantitative analysis of hydrocarbon Method for quantitative analysis of hydrocarbon

1986-12-03

1988-09-13

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250340, 250343, G01J 342

Patent

active

047711760

ABSTRACT:
In conventional methods of quantitative hydrocarbon analysis in gaseous sles by means of infrared transmission, systematic inaccuracies may be found which are caused by changes in the composition of the components contained in the sample. Such inaccuracies typically amount to 10 to 30% of the measured value, with occasional rises of up to 100%. In order to eliminate this disadvantage the invention proposes that for determining the total mass of gaseous and condensed hydrocarbons radiation be used with a frequency band whose integral infrared absorption has approximately the same value for each of the main hydrocarbons present.

REFERENCES:
patent: 3932754 (1976-01-01), Riedl et al.
patent: 3957372 (1976-05-01), Jowett et al.
patent: 3998557 (1976-12-01), Javan
patent: 4044257 (1977-08-01), Kreuzer
patent: 4268751 (1981-05-01), Fritzlen et al.
patent: 4525627 (1985-06-01), Krempl et al.

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