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  2. Universal indicator - Wikipedia

    en.wikipedia.org/wiki/Universal_indicator

    The strip can be placed directly onto a surface of a wet substance or a few drops of the solution can be dropped onto the universal indicator using dropping equipment. If the test solution is of a dark colour, it is preferable to use a paper universal indicator, such as Hydrion paper .

  3. Test strip - Wikipedia

    en.wikipedia.org/wiki/Test_strip

    A test strip is a band/piece/strip of paper or other material used for biological testing. Specifically, test strip may refer to: Food testing strips; Glucose meter test strip; Lipolysis test strip; Urine test strip; Universal indicator pH test strips; It may also refer to: Teststrip, an art gallery in Auckland, New Zealand

  4. pH indicator - Wikipedia

    en.wikipedia.org/wiki/PH_indicator

    The equations, derived from the acidity constant and basicity constant, states that when pH equals the pK a or pK b value of the indicator, both species are present in a 1:1 ratio. If pH is above the p K a or p K b value, the concentration of the conjugate base is greater than the concentration of the acid, and the color associated with the ...

  5. Oscar (fish) - Wikipedia

    en.wikipedia.org/wiki/Oscar_(fish)

    A. ocellatus examples have been reported to grow to about 45 cm (18 in) in length and 1.6 kilograms (3.5 lb) in weight. [2] The wild-caught forms of the species are typically darkly coloured with yellow-ringed spots or ocelli on the caudal peduncle and on the dorsal fin . [ 6 ]

  6. NFL quarterback rankings entering Week 13: Who are QBR ... - AOL

    www.aol.com/nfl-quarterback-rankings-entering...

    By several metrics, Baltimore Ravens star Lamar Jackson is playing better during the 2024 season than he did when he won his two NFL MVP awards. He leads the league's quarterbacks in passing yards ...

  7. Arsenal's winless run goes on after 1-1 draw with Chelsea and ...

    www.aol.com/man-united-beats-leicester-3...

    Arsenal’s Premier League title challenge took another hit on Sunday after a 1-1 draw with Chelsea. It’s now four games without a win in the league for Mikel Arteta’s team, which is nine ...

  8. List of aquaria in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_aquaria_in_the...

    This is a list of existing public aquariums [1] in the United States, some of which are unaccredited. For zoos , see List of zoos in the United States . Aquariums are facilities where animals are confined within tanks and displayed to the public, and in which they may also be bred.

  9. Lockers used by Ronaldo, Beckham and other Real Madrid ... - AOL

    www.aol.com/lockers-used-ronaldo-beckham-other...

    It's a sports fan’s perfect storage solution: Metal lockers that once held the sweat-stained shirts and muddy cleats of some of the world’s greatest soccer players are up for auction. Used by ...

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