Radiant energy – Radiation tracer methods – Radioactive tracer methods
Patent
1985-04-26
1987-03-17
Anderson, Bruce C.
Radiant energy
Radiation tracer methods
Radioactive tracer methods
73 601, G01T 1167, G21H 502
Patent
active
046510001
ABSTRACT:
An improved method for determining the performance of detergents in the removal of proteinaceous soils, which centers upon the use as test soil of radiolabelled blood hemoglobin and upon the evaluation of detergency by both light reflectance and scintillation counting measurements. The method is particularly applicable to the determination of the performance of laundry detergent formulations containing enzymes.
REFERENCES:
A. K. Phansalker, et al., A Tracer Method for Determination of Deposition of Carbon on Cotton, J. Phys. Chem., vol. 59 (Sep. 1955) pp. 885-888.
M. Cooper, et al., Labeling Human Erythrocytes with Radiochromium, J. Lab. & Clin. Med., vol. 47 (Jan. 1956), pp. 65-71.
N. C. H. Jones, et al., The Interpretation of Measurements with .sup.51 Cr-Labelled Red Cells, Clinical Science, vol. 15 (1956), pp. 207-218.
P. L. Mollison, The Use of the Isotope .sup.51 Cr as a Label for Red Cells, Brit. J. Haematology, vol. 1 (1955), pp. 62-74.
S. J. Gray, et al., The Tagging of Red Cells and Plasma Proteins with Radioactive Chromium, J. Clin. Investig., vol. 29 (1950), pp. 1604-1613.
B. E. Gordon, et al., A Triply Labeled Particulate Soil for Detergency Study, J. Am. Oil Chem. Soc., vol. 46 (Oct. 1969), pp. 537-543.
B. E. Gordon, et al., The Development of a Particulate Radioactive Soil for Detergency Studies, J. Am. Oil Chem. Soc., vol. 45 (Nov. 1968) pp. 754-759.
W. T. Shebs, et al., Improvements in Detergency Precision with Radioactive Soils, J. Am. Oil Chem. Soc., vol. 45 (May 1968) pp. 377-380.
B. E. Gordon, et al., A Double Label Radiotracer Approach to Detergency Studies, J. Am. Oil Chem. Soc., vol. 44 (May 1967), pp. 289-294.
Kravetz Louis
Page, Jr. Atwood C.
Shebs William T.
Anderson Bruce C.
Berman Jack I.
Shell Oil Company
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