紫外線殺菌報に関する研究(第2報)

概要

論文の詳細を見る
1) The degree of transmission of ultraviolet (2573Å) in several liquids has been determined. Fig. 1 shows our apparatus for measuring transmission degree. In the germicidal lamp ray which was transmitted through absorption tube, only 2537Å ray entered X-ray-counter and its quantity was determined. The results are illustrated in Fig. 2.2) Sterilization effect on milk by germicidal lamp, using the same apparatus as in Report 1 (this Journal, 31,23 (1953)), was investigated. As for bacteria, 60% of initial cells was killed in one min, and 98% in 15 min, but milk irradiated for 15 min was not drinkable owing to the putrefactive smell.3)Sterilizing effects on E. coli in saccharin (sulphimide of o-sulpho-benzoic acid) liquor and ethanol liquor have been investigated, and the results are shown in Table 3 and 4.4) Water-disinfecting devices were constructed ; Fig. 3 is enclosed type, Fig. 4 is open type, and the results of disinfection with them are shown in Table 5.
公益社団法人日本生物工学会の論文
1954-03-15