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Asml Holding N.V. offers krypton fluoride and argon fluoride light sources for processing wafers
Excerpt: ASML Holding N.V. develops, produces, markets, sells, and services advanced semiconductor equipment systems with a focus on lithography related systems primarily in the Netherlands, the United States, and Asia. The company has market cap of $96.09 billion. The firm offers TWINSCAN systems, which are equipped with i-line, krypton fluoride, and argon fluoride light sources […]
International Electronics Industry -
Choosing the right toothpaste
Excerpt: Choosing the right toothpaste When choosing the right toothpaste you need to the important ingredients that should be in the toothpaste. Fluoride is the most important ingredient of toothpaste. You don’t even have to use toothpaste to brush your teeth since the goal of brushing is to remove food and debris. Toothpaste isn’t doing […]
Australia Toothpaste -
Kane Letter 2: Water fluoridation debate continues
Nova Scotia doctors Robert Strang, Daniela Kempkens and Ferne Kraglund co-authored a response on June 22 to my op-ed article which appeared in the Cape Breton Post on May 28. In it, they criticize recently published studies linking fluoride exposures with increased risk of damage to the developing brain during pregnancy and reduced thyroid function […]
Canada, Nova Scotia -
Efficiency of Portland Pozzolana Cement as an adsorbent in removing excess fluoride from groundwater
Highlights Drinking of fluoride contaminated groundwater causes dental and skeletal fluorosis. High concentration of fluoride (>1.5 mg/L) has been reported by Central Groundwater Board of India in Mathura District of Uttar Pradesh. Portland Pozzolana Cement used as an adsorbent, reduces fluoride up to 86% and 54.15% from synthetic water and groundwater respectively. PPC as an […]
India Water Treatment -
Shut Philadelphia refinery begins risky job of removing toxic chemical
PHILADELPHIA (Reuters) – Workers at the fire-damaged Philadelphia Energy Solutions refinery took the first steps this week toward ridding the plant of roughly 30,000 barrels of modified hydrofluoric acid, a dangerous undertaking that has rarely, if ever, been performed under similar circumstances. In the minutes after the blaze and a series of explosions at the PES […]
United States, Pennsylvania Oil Refineries -
Waste containing PFAS chemicals poses conundrums
[See photos at top of original article] With few state or federal regulations existing for PFAS chemicals, the military and impacted towns face the tough question: Where to dispose of filters and waste? When carbon filters filled with firefighting foam chemicals from Bucks and Montgomery counties are burned at an incinerator in Delaware County, the […]
United States, Pennsylvania Incineration Perfluorinated chemicals -
FDA concluded PFAS in food are safe. Now it has to show how it reached that conclusion.
In June, the Food and Drug Administration (FDA) posted a webpage that serves as a helpful starting place to learn about the agency’s efforts and plans regarding per- and poly-fluoroalkyl substances (PFAS) in food. The webpage explains that FDA is “assessing food for PFAS through sampling” and is “reviewing the limited authorized uses of PFAS […]
United States, National USA Perfluorinated chemicals -
Fluoride still not in Hastings water supply, a year after the council said it would be
Fluoride was supposed to be added to the Hastings water supply a year ago, but it still hasn’t been added, despite the local DHB’s “serious and ongoing concerns” about the impact on dental health. Hastings District Council removed fluoride from the town water supply since the Havelock North gastro-outbreak in August 2016. Since the outbreak the […]
New Zealand -
Philadelphia Energy Solutions refinery fire ‘may have’ released hydrofluoric acid, per report
(Reuters) – Philadelphia Energy Solutions was expected to report to government officials on Friday that the toxic chemical hydrofluoric acid may have been released from its refinery in June, when a series of blasts and fire damaged the plant, two sources familiar with the plan said. It was unclear how much of the chemical might […]
United States, Pennsylvania Oil Refineries -
Fluorspar supply for refrigerants – is relief in sight?
While the F-gas phase down has had a specific marked effect on European HFC refrigerant prices, global prices are most affected by the price of the mineral fluorspar. Fluorspar is the commercial name for the mineral fluorite (calcium fluoride), and is the basic feedstock for all fluorine-based chemicals. In this article by Mike O’Driscoll (right), […]
Mining Industry