Ultraviolet radiation actinometer

Details Ultraviolet radiation actinometer Ultraviolet radiation actinometer

1985-08-23

1988-08-09

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

2504741, 2504821, G01J 148

Patent

active

047630116

ABSTRACT:
A meter for determining the integrated effect of the exposure of human skin to the sun's ultra-violet radiation by means that provide an instrument cheap enough to use on a wide scale. The World Health Organization sees "the greatest value" in a suitable instrument. The solar radiation is passed through a UV filter to a fused silica tube containing a disulphide solution which, under the action of ultra violet (UV) radiation, displays a wavelength response similar to that of the erythemal action spectrum.

REFERENCES:
Joshi et al., "Spin Trapping of Rad.-in UV Photolysis of Alkyl Disulfides", J. Org. Chem., 1981, 46, 3736-3738.
Swallow, A., Rad. Chem. of Organic Comp., (1960), p. 210.
Calleor et al., ". . . Photolysis of CH.sub.3 SSCH.sub.3 . . . ", Trans. Faraday Soc., (1970), vol. 66, pp. 1987-1995.
Halliday et al., Fundamentals of Physics, pp. 653-654, (1974).

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