Apparatus for automatic titration
First Claim
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1. Apparatus for continuous titration of liquid sample comprising:
- a delivery tube;
first means including a sample source for receiving and pumping a continuous flow of liquid sample into said delivery tube;
second means including a reservoir for pumping reagent at a controlled rate into said delivery tube;
third means including a reservoir for pumping selected titrant at a controlled rate into said delivery tube;
an ultrasonic mixer receiving liquids from said delivery tube;
a mixing tube passing mixed liquids from said ultrasonic mixer therethrough;
optical detector means disposed in viewing relationship adjacent to said mixing tube and producing an output signal indicative of sample titrant fluid equivalence; and
a computer receiving said detector means output signal and producing a first signal output to control the first means for receiving and pumping liquid sample, a second signal output to control the second means for pumping reagent, and a third signal output to control the third means for pumping titrant.
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Abstract
An automatic titration device for use in either batch processing or a continuous processing mode to identify quantitative fluid properties. The device consists of a plurality of reservoirs each connected to a respective plurality of pumps. A central computer controls individual pump speeds and therefore the pump output mix through a delivery tube that delivers fluid mixture through an ultrasonic mixer to a mixing tube whereupon a color detector is disposed to detect indicator color changes of the liquid for providing indication back to the central computer for calculation of fluid presence, fluid equivalent points, and related fluid properties.
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Citations
17 Claims
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1. Apparatus for continuous titration of liquid sample comprising:
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a delivery tube; first means including a sample source for receiving and pumping a continuous flow of liquid sample into said delivery tube; second means including a reservoir for pumping reagent at a controlled rate into said delivery tube; third means including a reservoir for pumping selected titrant at a controlled rate into said delivery tube; an ultrasonic mixer receiving liquids from said delivery tube; a mixing tube passing mixed liquids from said ultrasonic mixer therethrough; optical detector means disposed in viewing relationship adjacent to said mixing tube and producing an output signal indicative of sample titrant fluid equivalence; and a computer receiving said detector means output signal and producing a first signal output to control the first means for receiving and pumping liquid sample, a second signal output to control the second means for pumping reagent, and a third signal output to control the third means for pumping titrant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. Apparatus as set forth in clam 6 wherein said optical detector means comprises:
a color detector disposed in optically viewing relationship to said mixing tube.
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11. An automatic titration device for identifying type and concentration of a liquid sample, comprising:
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a first source of liquid sample; a delivery tube for receiving said liquid sample at a first rate of flow; plural means for storing and introducing a titrant and a selected reagent into said delivery tube at a second rate of flow; an ultrasonic energy mixer receiving flow from said delivery tube and outputting flow of mixed liquid consisting of sample, titrant and reagent into a mixing tube; a computer providing a control buss output connected to said first source of liquid sample and said plural means for storing and introducing to control said first rate of flow and said second rate of flow; and a color detector adjacent to said mixing tube for optically viewing the mixing tube and sensing the color change occurring when the liquid sample and titrant with reagent react, said color detector producing an indicator signal for input to said computer. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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Specification