What are the hazards of electronic products?

If I ask you what's in these electronic devices, such as notebooks, mobile phones, televisions, etc. The first thing you may think of is, well, there are hard disks, flash memory, RAM and processors in it. Some people even answer, "To be honest, I don't know what's in it. I think it works by magic ",but few people will mention arsenic, lead or mercury. However, most common scientific and technological products do contain these harmful substances, as well as some other elements or compounds, which may endanger personal safety or destroy the natural environment.

At the same time, these electronic products are full of all kinds of harmful substances, which constantly pollute the air and water in the process of collection, production and sales. Some even endanger the safety of users themselves.

Usually, but not always, the victims are workers living in developing countries. However, in the process of normal use, or in case of damage, these toxic substances may also leak out. For example, a broken monitor or LCD TV may lead to mercury leakage. Besides, don't forget that all the polluted rivers in the world will eventually flow into the ocean.

Let's take a look at how harmful elements contained in electronic products will affect our health one by one. At present, internationally recognized six harmful elements that pose the greatest threat to human health are lead Pb, cadmium Cd, mercury Hg, hexavalent chromium Cr6+, PBDE and PBB. Traditional mainstream electronic products will use such toxic substances in large quantities, which will endanger our health in the dark.

lead to

It mainly exists in solder, printed circuit board and white baking lamp. Lead is a heavy metal element harmful to the nervous system. Metal lead may produce lead compounds, which are classified as dangerous substances. In human body, lead can affect the central nervous system and kidneys.

cadmium (Cd)

It has a strong accumulation effect on human body, can lurk for as long as 10-30 years and can cause "bone pain". Animal experiments show that the minimum lethal dose of mice is 50mg/kg, and cadmium entering human body and warm-blooded animals is mainly accumulated in liver, kidney, pancreas, thyroid and bones. It causes pathological changes in kidney organs and affects people's normal activities. Causes anemia, hypertension, neuralgia, secretion disorder and other diseases.

hexavalent chrome

Long-term intake will cause squamous cell carcinoma, adenocarcinoma and other diseases; Inhalation of high content of hexavalent chromium compounds can lead to nosebleeds, ulcers and perforation of nasal septum. Ingesting large doses of chromium can cause kidney and liver damage, nausea, gastrointestinal discomfort and other symptoms. In severe cases, the circulatory system will fail, lose consciousness and even die. Long-term exposure of parents to hexavalent chromium may also have adverse effects on the intellectual development of offspring.

Mercury

It exists in power supply equipment and light source equipment, and is classified as a dangerous substance. It is an inhalation poison with bioaccumulation effect. The effects on human body mainly affect the central nervous system and kidney system. Poisoning can lead to obvious memory loss, inattention and general weakness.

Polybrominated diphenyl ethers and polybrominated biphenyls

As a flame retardant added to electrical appliances and electronic plastics, these two substances are carcinogenic and teratogenic, which will cause thyroid hormone disorder and fetal malformation.

In addition, at present, the disposal of electronic products in the scrapping stage is mostly "burial" or "cremation", so the heavy metals in electronic products cause great pollution to the soil and are difficult to control.

radiation

The above are the hazards of electronic products in materials and physical interfaces, but what we hear the most and cannot simply evaluate is the hazards caused by radiation to our bodies. It is understood that excessive radiation will have many adverse effects on the human body, such as dementia, hypertensive heart disease, electromagnetic wave allergy, abnormal hormones, and severe loss of calcium ions. Therefore, it is necessary to minimize the chances of close contact with electronic products, and at the same time reduce and prevent radiation damage by eating more fruits and vitamins.