A Colorimeter for In-line Analysis of Uranium and Plutonium Solutions PDF Download
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Author: Donald W. Colvin
Publisher:
ISBN:
Category : Colorimetric analysis
Languages : en
Pages : 28
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Author: Donald W. Colvin
Publisher:
ISBN:
Category : Colorimetric analysis
Languages : en
Pages : 28
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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A colorimeter is described that can be used to monitor process solutions continuously for uranyl nitrate or plutonium nitrate concentration. The instrument was tested under plant conditions in the concentration range from 0.1 to 70 grams of uranium per liter and 0.1 to 10 grams of plutonium per liter. The instrument error was plus or minus 1% of the span, but errors of 15 to 20% can be caused by other variables such as acidity and other salts present. (auth).
Author: Savannah River Laboratory
Publisher:
ISBN:
Category :
Languages : en
Pages : 128
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Author: L. A. Jobe
Publisher:
ISBN:
Category : Reactor fuel reprocessing
Languages : en
Pages : 34
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Author: Robert F. Overman
Publisher:
ISBN:
Category : Plutonium
Languages : en
Pages : 16
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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The automated spectrophotometer described is the first in a planned series of automated instruments for determining plutonium and uranium in nuclear fuel cycle materials. It has a throughput rate of 5 min per sample and uses a highly specific method of analysis for these elements. The range of plutonium and uranium measured is 0.5 to 14 mg and 1 to 14 mg, respectively, in 0.5 ml or less of solution with an option to pre-evaporate larger volumes. The precision of the measurements is about 0.02 mg standard deviation over the range corresponding to about 2 rel percent at the 1-mg level and 0.2 rel percent at the 10-mg level. The method of analysis involves the extraction of tetrapropylammonium plutonyl and uranyl trinitrate complexes into 2-nitropropane and the measurement of the optical absorbances in the organic phase at unique peak wavelengths. Various aspects of the chemistry associated with the method are presented. The automated spectrophotometer features a turntable that rotates as many as 24 samples in tubes to a series of stations for the sequential chemical operations of reagent addition and phase mixing to effect extraction, and then to a station for the absorbance measurement. With this system, the complications of sample transfers and flow-through cells are avoided. The absorbance measurement system features highly stable interference filters and a microcomputer that controls the timing sequence and operation of the system components. Output is a paper tape printout of three numbers: a four-digit number proportional to the quantity of plutonium or uranium, a two-digit number that designates the position of the tube in the turntable, and a one-digit number that designates whether plutonium or uranium was determined. Details of the mechanical and electrical components of the instrument and of the hardware and software aspects of the computerized control system are provided.
Author:
Publisher:
ISBN:
Category : Weights and measures
Languages : en
Pages : 876
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Author: Alwyn C. Lapsley
Publisher:
ISBN:
Category : Neutron counters
Languages : en
Pages : 18
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Author: George H. Gruber
Publisher:
ISBN:
Category : Plutonium
Languages : en
Pages : 20
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 950
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