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What is formaldehyde

What is formaldehyde

Formaldehyde, chemical formula HCHO or CH Ψ o, formula 30.03, also known as ant aldehyde. Colorless gas, with special pungent smell, has irritating effect on human eyes and nose. The relative density of gas is 1.067 (air = 1), and the density of liquid is 0.815 g / cm 3 (- 20 ℃). Melting point - 92 ℃, boiling point - 19. 5 ℃. Soluble in water and ethanol. The highest concentration of aqueous solution can reach 55%, usually 40%. It is called formaldehyde water, commonly known as formalin. It is a colorless liquid with pungent smell.

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Harm of formaldehyde

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 What harm does formaldehyde exceed the standard in the environment to human body for a long time?

Toxic symptoms of formaldehyde

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 Do you know the hidden pollutants in the room?

How to remove formaldehyde

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 Besides formaldehyde, can activated carbon still be used?

Formaldehyde removal in new house

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 Do you know how to choose when you have a baby on the floor? -

Questions and answers on formaldehyde removal

  • Q

    Are there any economical and convenient ways to remove formaldehyde in the car

    A

    The smell of new car interior mainly comes from three parts: leather, plastic and other materials used in automobile production process, of course, sealant and other materials are also indispensable. These materials will release harmful substances, such as formaldehyde and propylene View details

  • Q

    Can the fresh air system remove formaldehyde?

    A

    The main function of the fresh air system is to continuously bring fresh air to the room, and exhaust the turbid air out of the room. In short, it is to ventilate the indoor air. We all know that ventilation through windows can reduce the air quickly View details

  • Q

    What performance does formaldehyde exceed the standard?

    A

    Formaldehyde is a harmful substance which is easy to cause harm to human health after the decoration of a new house. After the decoration of a new house, it is better to entrust a third-party testing agency to conduct a comprehensive formaldehyde detection. If View details

  • Q

    Which imported formaldehyde products easy to use?

    A

    As Chinese people pay more and more attention to environmental protection, after the decoration of new houses, formaldehyde removal operations are generally carried out, which also leads to a large number of foreign formaldehyde removal products introduced by some businesses and sold on the Internet View details

  • Q

    In addition to formaldehyde how much money?

    A

    In addition to formaldehyde is the most concerned problem of users who have just finished decoration of new houses. Affected by the environment, most of the indoor harmful substances will exceed the standard after decoration. Formaldehyde is the most understood by users, which is harmful to human health View details

  • Q

    Is the release cycle of formaldehyde long?

    A

    Formaldehyde release cycle is usually 3 to 15 years, which is now more recognized. This time span is still relatively large, the main reason for this situation is that the material is different and formaldehyde is released View details

  • Q

    How to prevent the generation of formaldehyde?

    A

    We all know that formaldehyde is harmful to human body, so how to prevent the generation of formaldehyde? We should start from the following aspects. First of all, the formaldehyde in most new houses exceeds the standard View details

  • Q

    What are the plants except formaldehyde?

    A

    After the decoration of new houses, there is a general situation of formaldehyde exceeding the standard. How to remove indoor formaldehyde is the most concerned problem of users. We all know that plants have the function of purifying air, so whether there are plants can remove indoor formaldehyde View details

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