OM0284
Page 64 of 72
Rev 2 July/2021
Energies Required to Destroy Some Microorganisms by Ultraviolet Radiation (e)
Mold Spores
Microwatt
seconds
per cm/2
Protozoa
Microwatt
seconds
per cm/2
Penicillium roqueforti
26,400 Paramecium
200,000(a)
Penicillium expansum
22,000
Penicillium digitatum
88,000 Nematode Eggs
40,000(b)
Aspergillus glaucus
88,000
Aspergillus flavus
99,000 Algae
22,000(c)
Aspergillus niger
330,000
Rhizopus nigricans
220,000 Virus
Mucor racemosus A
35,200 Baceriophage (E. Coli)
6,600
Mucor racemosus B
35,200 Tobacco Masaic
440,000
Oospora lactis
11,000 Influenze
3,400(d)
Yeasts
Saccharomyces
13,200
ellipsoideus
17,600
Saccharomyces cerevisiae
13,200
Brewers' yeast
6,600
Baker's yeast
8,800
Common yeast cake
13,200
Bacteria
Streptococcus lactis
8,800
Strep. hermolyticus (alpha type)
5,500
Staphylococcus aureus
6,600
Staphylococcus albus
5,720
Micrococcus sphaeroides
15,400
Sarcina lutea
26,400
Pseudomonas fluorescens
7,040
Escherichia coli
7,040
Proteus vulgaris
7,480
Serratia marcescens
6,160
Bacillus subtilis
11,000
Bacillus subtilis spores
22,000
Spirillum rubrum
6,160
References:
(a) Luckiesh, Matthew (1946) Application of Germicidal, Ethyemal and Infrared Energy,
D. Van Nostrand o., New York, New York, pp 253
(b) Hollaender (1942) Aerobiology, A.A.A.S. (for 90% inactivation), pp 162
(c) Ellis, C. and Wells, O.O. (1941) The Chemical Action of Ultraviolet Rays, Reinhold Publishing Corp., pp. 713-714
(d) Hollaender, A., Oliphant, J.W. (1944)
The inactivation effect of monochromatic ultraviolet. Radiation on Influenze Virus (for 90% inactivation) Jour. of Bact. 48, pp. 447-454
(e) This table, "Energies Required to Destroy Some Microorganisms by Ultraviolet Radiation's" comes from Westinghouse brochure
entitled - "Westinghouse Sterilamp Germicidal Ultraviolet Tubes"
Содержание LabGard NU-543-300E
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