Detecting Invisible Danger - new Formaldehyde Chamber from Weiss Gallenkamp
16 April 2010
Formaldehyde is widely used in industry to manufacture building materials and numerous household products.
It is also a by-product of combustion and certain other natural processes. At room temperature, formaldehyde is a colorless, flammable gas that has a distinct, pungent smell. It is also known as methanal, methylene oxide, oxymethyline, methylaldehyde, and oxomethane.Sources of formaldehyde in the home include building materials, smoking, household products, and the use of un-vented, fuel-burning appliances such as gas stoves. There are a number of dangers associated with exposure to Formaldehyde, which is classed with chemicals such as Arsenic and Cyanide Even very short term exposure irritates the eyes causing pain, redness, blurred vision and severe eye watering.
It can irritate the nose and throat causing sneezing, soreness, coughing, shortness of breath, headaches and nausea. In severe cases of exposure to high levels it can lead to accumulation of fluid in the lung. Long term exposure causes chronically impaired lung function, skin hardening, swelling and flaking, dermatitis, allergic eczema, and cancer.
The International Agency for Research on Cancer, (IARC) which is part of the World Health Organisation, has designated formaldehyde as a known cause of several types of throat and nasal cancer. The Fape /+60 Formaldehyde Test Chamber provides a precise, reproducible determination of the possible subsequent formaldehyde discharge by the components in the test chamber. The test space air is heated to a constant temperature of +60 °C ±0.5 K and purged continuously with 60 l/h of temperature pre-conditioned air.
The components to be tested are deposited in the test chamber. The test chamber is designed as a gastight area. It is temperature conditioned via the walls and a water pump circuit. The temperature setting is fixed. Leak-proofness of the test chamber is monitored via a pressure sensor and displayed on the touch-panel (operating console). In the test chamber, formaldehyde gas is mixed with the inlet air and led into washing bottles filled with demineralised water via the air outlet. The formaldehyde which has gassed out is dissolved in the water.
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