For the lead to on the latest utilization of ultraviolet light to the lead to from the incident, the Chinese Buyer Association issued a shopper warning, to remind shoppers to establish a security awareness, cautious utilization of ultraviolet light. Will have to use ultraviolet light disinfection operation personnel will have to dress in protective products, this kind of because the utilization of multifunctional protective glasses to protect the eyes, usually do not be immediately irradiated; at the same time should also avoid skin get in touch with with ultraviolet radiation.
Ultraviolet disinfection in public destinations, irrelevant personnel ought to be prevented, in particular to stop the elderly and kids strayed in to the work place of ultraviolet lamp is widely used in medicine, drinking water, industrial cleaning and foods professionals from the field of sterilization and disinfection instrument -- ultraviolet lamp, while in the anti SARS period, are used in a number of all kinds of public destinations and loved ones disinfection. The original in the market place a unusual ultraviolet light, inside the supermarket, buying malls are easy to purchase. Even just after the "SARS" epidemic, there are still some consumers with ultraviolet light to manage the flu and also other pathogens. But specialists remind individuals, the ultraviolet light disinfection, improper utilization of simply hurt the eyes, at current in Beijing colleges and universities have for college students mistakenly open personal computer space ultraviolet lamp, resulting in in excess of 50 school college students eyes by varying degrees of injury to hospital for treatment of malignant occasions come about in accordance to industry experts, three kinds of ultraviolet light by wavelength is generally divided into prolonged, medium and short wave: wavelength 380~320nm UVA called UVA wavelength 320~280nm of ultraviolet B (UVB and short wavelength 280nm in ultraviolet (UVC. Now on the market of ultraviolet disinfection lamp, nearly all of that are emitted by a mercury lamp 254nm short wave ultraviolet (UVC) to accomplish sterilization.
UVC ultraviolet wavelength is shorter, carrying a considerable power. But also simply because of this, this kind of short wave ultraviolet lamp, inside the absence of protective measures, will lead to direct injury for the human body:
A), people's eyes and skin, if exposed to ultraviolet light for greater than three minutes, it really is achievable to exceed the entire world Health and fitness Organization (WHO) along with the international non ionizing radiation protection committee (ICNIRP) formulated by human safety limits;
B), if the direct irradiation after 15 minutes, it can make the cornea damage prospects to electrical ophthalmia, sudden significant discomfort while in the eyes, foreign body sensation, photophobia, weep or eyelid spasm;
C), long-term exposure can harm the eyes and skin, leading to extreme burns in the eye and skin, and could result in skin cancer