formaldehyde concentration Articles
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Formaldehyde in rainwater at Trombay, Mumbai: a coastal site in India
Formaldehyde was measured in rainwater samples collected at a residential area of Trombay, Mumbai (a coastal site in India). A mean concentration of 2.1 µmo1/1 and a range of 0.4-11.0 µmol/l were observed. The mean formaldehyde concentration in rainwater has increased from 1.2 µmol/l in 1979 by a factor of about two at this site.Keywords: coastal site, formaldehyde, India, ...
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Detect and Monitor Formaldehyde with PPM Technology`s Formaldemeter
In order to ensure employees and the public are not exposed to dangerous levels of Formaldehyde in the air, it is advised to detect and monitor levels with a suitable detection instrument. PPM Technology has significant experience in the design and development of instruments for accurate detection and measurement of Formaldehyde concentrations in the air. Our Formaldemeter range of instruments ...
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Daiken Southland - Case Study
Daiken Southland Limited is a wood processing company that uses pine trees to manufacture Medium Density Fibreboard (MDF). The logs are chipped, broken down into individual fibres. Then a urea-formaldehyde resin is used to glue the wood fibres back together to form the various types of MDF. During the manufacturing process, formaldehyde is released to the atmosphere, and, therefore the local ...
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Measurement of indoor-outdoor carbonyls at four residential homes in Mexico City metropolitan area
Formaldehyde, acetaldehyde, acetone, propionaldehyde and butyraldehyde were measured in indoor and outdoor air at three houses and one apartment in the Mexico city metropolitan area (MCMA). Formaldehyde presented the highest concentration in indoor and outdoor air, followed by acetone and acetaldehyde. Indoor carbonyl concentrations were higher than outdoor concentrations at all sampling sites. ...
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Determination of formaldehyde content in toys using UV/Vis Spectrometry
As product safety regulations for industry are becoming stricter, more testing at lower levels is required for toxic elements or hazardous organic chemicals such as formaldehyde in children’s toys/clothing. Formaldehyde resins are used in fabrics to bind pigments to the cloth, as a fire retardant and to provide stiffness. In cotton and cottonblend fabrics they are used to enhance wrinkle ...
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The role of gas sensors
Monitoring of toxic and harmful gases such as formaldehyde and carbon monoxide in the home environment After the renovation of many new houses, more than 90% of harmful gases seriously exceed the standard, and the indoor formaldehyde concentration may exceed 2.5ppm, and some may even exceed 10ppm. Therefore, formaldehyde sensors, air quality sensors, TVOC sensors, etc. are placed in the home ...
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Indoor Climate Control Wiki
Indoors climate control wiki generally refers to houses, offices, industries, movie theaters, restaurants, shopping malls, cars, ships, and planes. Because different air pollution sources are exhausted indoors or outdoors continuously or from time to time, the pollutants will be accumulated in sealed places under the circumstances of poor atmospheric conditions, doing harm to the health. When ...
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Prop 65 Puts Acetaldehyde under the Spotlight
Garden Grove, CA, May 5th, 2011 In 1986, California voters approved an initiative to address increasing concerns about exposure to toxic chemicals. That initiative, the Safe Drinking Water and Toxic Enforcement Act of 1986, is better known by its original name of Proposition 65. Proposition 65 requires businesses to notify Californians about significant amounts of chemicals in the products ...
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Embalmers risk dangerous exposure to Formaldehyde
Embalmers can be at risk of dangerous exposure to Formaldehyde. Formaldehyde is a colourless gas with a characteristic pungent odour. It's widely used in many industries and causes severe health issues if used inappropriately. Health Effects Formaldehyde is highly toxic to humans, regardless of method of intake. Even very short-term exposure to formaldehyde irritates the eyes causing ...
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