5 cleaning sponge containing formaldehyde   the most fire magic eraser "virulence" — Sichuan — the first channel people.com.cn original title: there will be a few pieces of washing cloth of the fire magic rub "virulence" NO.1 almost every family in the kitchen. But the washing cloth variety, a gourd core tradition, there are a variety of materials "100 clean cloth, sponge material is good for them. But is it really safe to clean the sponge with frequent contact with the dishes? Recently, China Daily column in the market purchasing curiosity five different cleaning sponge, sent to Xi’an Guolian Quality Detection Technology Co., detection results of these five sponges contain formaldehyde, including one in the online sales are very popular "magic brush" most toxic…… (Note: Xi’an Guolian quality detection technology of Limited by Share Ltd is the authority of the third party inspection agency) samples: pure white clean sponge three purchased from different roadside shop, by the green and yellow sponge cleaning cloth is composed of ordinary cleaning sponge ordinary cleaning sponge a well-known brands of a green sales network yellow hot, known as nano sponge, sponge magic, this "magic brush" than the ordinary cleaning sponge some hard texture. The most characteristic is to attract people to buy, do not need detergent can remove oil stains on tableware. Participants: the experiment steps of technical personnel China Daily reporter and Xi’an Guolian Quality Detection Technology Co. Ltd.: cleaning sponge in a closed beaker, after waiting for an hour, the determination of formaldehyde concentration meter air sealed beaker using formaldehyde. Reference standard: GBT 18883-2002 "indoor air quality standards", the standard provisions of the national standard of indoor formaldehyde concentration is less than 0.1mg m3. "GB 50325-2010 civil engineering indoor environmental pollution control", this standard provides a kind of standard of civil construction of the formaldehyde concentration is less than or equal to 0.08mg m3, the concentration of TVOC is less than or equal to 0.5mg m3. Two types of formaldehyde concentration standards for civil buildings is less than or equal to 0.1mg m3, the concentration of TVOC is less than or equal to 0.6mg m3. Experiment one: the first three blocks from the shops along the street to buy ordinary green yellow sponge in the beaker sealed. These three pieces of cleaning sponge or even three products. An hour later, the determination of formaldehyde concentration meter air sealed beaker using formaldehyde. Formaldehyde concentrations were 0.42mg m3, 0.32mg m3, 0.14mg m3, have been exceeded. Experiment two: on the green yellow a well-known brand cleaning sponge, in large supermarkets have sales. The seal in the beaker, one hour later, the concentration of formaldehyde in the final numerical stability of 1.07mg m3, is far greater than the residential areas along the street shops to buy, or even several times higher than three copycat products. Experiment three: in the network platform to buy "magic brush" opened in the beaker sealed, after an hour, the determination of formaldehyde concentration meter air sealed beaker in the use of formaldehyde, formaldehyde values as high as 2.5)相关的主题文章:

 

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