What is La Cl?
Lanthanum chloride is the inorganic compound with the formula LaCl3. It is a common salt of lanthanum which is mainly used in research. It is a white solid that is highly soluble in water and alcohols.
Is Craigslist Local?
Craigslist.org, originally a San Francisco community electronic newsletter, is now one of the most visited English language Web sites, with local classifieds for more than 450 cities worldwide. Posting for most classifieds categories on craigslist is free, and it’s also free to browse and respond to ads.
How does Craigs list work?
Craigslist is a website for viewing and posting local advertisements. It works a lot like the Classifieds section of a newspaper, and it’s completely free to use. You can find a listing for almost anything on Craigslist—jobs, apartments, garage sales, used cars, personal ads, and a whole lot more.
What is Craigslist USA?
Craigslist (stylized as craigslist) is an American classified advertisements website with sections devoted to jobs, housing, for sale, items wanted, services, community service, gigs, résumés, and discussion forums. It started expanding to other U.S. and Canadian cities in 2000, and now covers 70 countries.
What is lanthanum chloride used for?
Lanthanum Chloride (LaCl3) is used for treatment in aquariums, water parks, residential waters as well as in aquatic habitats for the prevention of algae growth. Lanthanum is a rare earth metal that is very effective at preventing build up of phosphate in water.
How do you make lanthanum chloride?
Lanthanum chloride solution, 10 percent lanthanum: Weigh 58.7 g lanthanum oxide into a 1 L beaker and wet with water. Cautiously, add 100 mL concentrated hydrochloric acid in small portions. When the oxide is completely dissolved, slowly dilute to 500 mL with water while stirring to avoid overheating.
Who uses Craigslist?
3. Fast forward 20 years from its inception, and Craigslist now has at least 60 million U.S. users and 50 billion page views every month, as well as 50 million daily queries. 4. Each month, users post more than 100 million individual classified ads, of which 2 million are job listings.
Is lanthanum chloride toxic?
For example, the lanthanum chlorides, nitrates, and acetates have LD50 values in the 1600–5000 mg kg−1 body weight range, putting them in the ‘slightly toxic’ range.