Recently, the name is " employee of the P7 in A gets leukaemia die, rented freely formaldehyde house before one's death " the article holds each big news head. Say in the article, king of the employee in A leased the building of freely some this year, because acute marrow fastens leukaemia misfortune,died in July. His wife makes after detecting, discover indoor formaldehyde exceeds bid to the building, think this is the main factor that causes Wang Mou to die thereby.
Article expert: Yang Chao, m.d. , rocket army total hospital advocate order a physician
Does the article go over a manuscript or draft: ?
After formaldehyde exceeds mark incident exposure, while netizens are undertaking condemn both in speech and writing to freely, also begin to fear formaldehyde exceeds mark after all to you can cause leukaemia? What harm does formaldehyde have after all to human body? What does the origin of the formaldehyde in indoor air have again? Today, we come popular science is hot recently of the network " formaldehyde " this thing ~
After all what is formaldehyde?
Formaldehyde is a kind of colorless, gas that has special and exciting taste, easy dissolve Yushui and alcohol. Formaldehyde is natural presence in nature, also be indoor decorate the contaminant that exceeds bid the the most commonly, most easily.
In newest 2010 version " pollution of condition of core of room of civil construction project controls a standard " the regulation in GB GB 50325, include the residence, office building, hospital and school inside Ⅰ kind civil construction project, the content of formaldehyde must not exceed 0.08mg/m3. But decorate brought pollution actual however existence, what endangering us is healthy.
Can formaldehyde cause leukaemia really?
Formaldehyde is put in the likelihood that causes leukaemia really, but this basically is the adult leukaemia that is based on a profession to expose, namely so called occupational disease, for instance factory of oil industry, shoemaking. And the formaldehyde in daily life remains, the dose that exposes than these professions is a lot of smaller, need not too panicky.
American profession safety and healthy institute surveyed the worker that 3 months above works in environment of 11039 Ceng Zaijia aldehyde 2004, discovery has hematic disease of 15 dead Yu Bai. Consider to show, formaldehyde exceeds mark to may happen with leukaemia relevant.
What harm does formaldehyde still have?
Cause cancer: On October 27, 2017, research organization of cancer of international of World Health Organization points out formaldehyde causes cancer clearly. Consider to discover, long-term high concentration contacts formaldehyde to be able to increase risk contracting cancer.
Send abnormal: Be pregnant inchoate can bring about fetal chromosome unusual, stunt, deformation, intelligence is low, cause miscarriage even.
Cause exciting symptom: Small dose formaldehyde can stimulate the skin, mucous membrane, cause jealous, eye guttural and urticant, unwell, cracked, sneeze, bosom frowsty, asthma.
What does the origin of the formaldehyde in indoor air have?
Man-made plank: Use as the plywood of interior decoration, joinery board, in density beaverboard and particieboard.
Adhesive: The adhesive that produces man-made board to use is bases with formaldehyde, remain in plank can release to surroundings gradually with the formaldehyde that did not share reaction, it is the main body of the formaldehyde in forming indoor air.
Decorate material: Wait like carpet of wallpaper, wall covering fabric, chemical fibber, paint and coating.
What is element of pH indicator of the formaldehyde in affecting indoor air?
Of chroma of the formaldehyde in indoor air and indoor temperature, indoor relative humidity, indoor material lade degree (namely every stere is indoor dimensional formaldehyde sends out material surface is accumulated) , indoor airiness quantity is concerned. Be in high temperature, tall the strength that formaldehyde of aggravate of the meeting below wet, negative pressure and tall laden condition sends out.
Normally the circumstance falls, of formaldehyde release period can amount to 3~10 year.
How avoid effectively and purify formaldehyde?
1, avoid excessive decorate: Excessive decorate the source of release that can increase formaldehyde.
2, choice actor decorates material character: Inside budgetary limits, choose the material of qualification of qualitative check report.
3, often open a window ventilated: Connect wind energy to drop off the harmful material such as a lot of formaldehyde.
4, the plant assists processing: Although the formaldehyde with can adsorptive plant is very few, but can have improvement to integral air action, might as well in putting the green plant such as a few cacti, bracketplant to be in the home.
5, the method that uses physics, chemistry to absorb: Be like activated carbon, air purifier, but the harm of formaldehyde of temporary slow down, but must want to be used continuously and change in time.
Anyhow, cast incident itself not to say, formaldehyde exceeds bid is people cares relatively now really with attention problem. After all, this as daily as us life is inseparable. But everybody also need not too much worry, after all formaldehyde or law of in the right way are OK of purify.
Use reasonable method to avoid effectively,
The living environment that lets us more be at ease,
The health that also lets us does not have care.
