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Bromothymol blue (also known as bromothymol sulfone phthalein and BTB) is a pH indicator. It is mostly used in applications that require measuring substances that would have a relatively neutral pH (near 7). A common use is for measuring the presence of carbonic acid in a liquid.
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Unsplash is a website dedicated to proprietary stock photography.Since 2021, it has been owned by Getty Images.The website claims over 330,000 contributing photographers and generates more than 13 billion photo impressions per month on their growing library of over 5 million photos (as of April 2023).
New York Daily News (1880–2007), online photo archive DailyNewsPix, with photographs dating back to 1880 New York Public Library: ≈ 30% Public domain: 922,400+ (May 2024) [3] No No Yes English Pexels: Pexels license: Yes No Yes Pixabay: Pixabay license: 950,000+ (May 2017) Yes No Yes English (Default) + 25 other languages Pond5: Royalty-free
The site was a subsidiary of HAAP Media, which was the stock photography division of Dream Interactive. [5] In 2008, HAAP was acquired by the stock photo company Jupiterimages . In February 2009, Jupiterimages was purchased by Getty Images , [ 6 ] and the stock photo operations of SXC became a joint venture between Getty and Dream Interactive ...
Solution: The main components of a universal indicator, in the form of a solution, are thymol blue, methyl red, bromothymol blue, and phenolphthalein. This mixture is important because each component loses or gains protons depending upon the acidity or alkalinity of the solution being tested. It is beneficial to use this type of universal ...
Bromophenol is also used as a colour marker to monitor the process of agarose gel electrophoresis and polyacrylamide gel electrophoresis.Since bromophenol blue carries a slight negative charge at moderate pH, it will migrate in the same direction as DNA or protein in a gel; the rate at which it migrates varies according to gel density and buffer composition, but in a typical 1% agarose gel in ...
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