• Thumbnail for Litmus
    onto filter paper to produce one of the oldest forms of pH indicator, used to test materials for acidity. In an acidic medium, blue litmus paper turns red...
    8 KB (888 words) - 18:20, 17 September 2024
  • Thumbnail for Paper
    construction paper, paper yarn, and paper clothing For other uses: emery paper, blotting paper, litmus paper, universal indicator paper, paper chromatography...
    43 KB (4,692 words) - 17:47, 7 October 2024
  • Thumbnail for Base (chemistry)
    can taste bitter and change the color of pH indicators (e.g., turn red litmus paper blue). In water, by altering the autoionization equilibrium, bases yield...
    26 KB (3,041 words) - 06:18, 8 August 2024
  • Thumbnail for Congo red
    and a base solution. Dipping red litmus paper in the red solution will turn it blue, while dipping blue litmus paper in the blue solution will turn it...
    9 KB (968 words) - 10:11, 21 March 2024
  • Thumbnail for Soil pH
    litmus paper. A small sample of soil is mixed with distilled water, into which a strip of litmus paper is inserted. If the soil is acidic the paper turns...
    57 KB (6,309 words) - 19:05, 9 August 2024
  • needed] "Colliding Circles", "Left Is Right (And Right Is Wrong)", "Pink Litmus Paper Shirt" and "Deck Chair". In 1971, humorist Martin Lewis compiled a Beatles...
    58 KB (7,803 words) - 02:32, 31 May 2024
  • Thumbnail for Conjunctivitis
    conjunctivitis, while more severe burns may cause the cornea to turn white. Litmus paper may be used to test for chemical causes. When a chemical cause has been...
    39 KB (3,975 words) - 19:47, 6 October 2024
  • Thumbnail for Invisible ink
    developed by a chemical reaction may depend on an acid-base reaction (like litmus paper), reactions similar to the blueprint process, or any of hundreds of others...
    26 KB (3,222 words) - 18:35, 1 October 2024
  • Effervescence of a brown, pungent gas is observed which turns moist blue litmus paper red. Here sulfuric acid reacts with the nitrate ion to form nitric acid...
    6 KB (723 words) - 17:34, 4 September 2024
  • Thumbnail for Gastric intubation
    from the tube with a syringe. This fluid is then tested with pH paper (note not litmus paper) to determine the acidity of the fluid. If the pH is 4 or below...
    19 KB (2,377 words) - 16:43, 8 June 2024
  • From a medical perspective, the method is usually applied by exposing litmus paper/film to an environment containing a patient's airway gases (i.e. placing...
    9 KB (1,128 words) - 03:44, 26 January 2024
  • Thumbnail for Blotting paper
    tinctoria. These strips are used similarly to litmus strips, however filter paper is usually used for litmus strips, generally to allow for the property...
    8 KB (992 words) - 17:22, 30 September 2024
  • Thumbnail for Chemical eye injury
    conjunctivitis while more severe burns may cause the cornea to turn white. Litmus paper is an easy way to rule out the diagnosis by verifying that the pH is...
    4 KB (360 words) - 08:26, 11 September 2022
  • Thumbnail for Bacterial vaginosis
    slightly acidic with a pH of 3.8–4.2. A swab of the discharge is put onto litmus paper to check its acidity. A pH greater than 4.5 is considered alkaline and...
    45 KB (4,514 words) - 08:55, 18 September 2024
  • Thumbnail for Silicon tetrachloride
    substances with chlorine. Reacts like acid with litmus paper, so that, by its volatility, the paper reddens quite a distance from the point of contact...
    12 KB (1,172 words) - 10:41, 2 September 2024
  • Thumbnail for Erie doctrine
    distinction is a generality as the Court rejected any test based upon "litmus paper criterion." Thus, a choice between state and federal law must be made...
    14 KB (2,146 words) - 13:09, 14 June 2024
  • Thumbnail for Paper-based biosensor
    contaminants at the same time. Paper has been used in analytical chemistry as far back as the 1800s, when litmus paper was first reported, and has since...
    17 KB (2,021 words) - 16:51, 1 January 2024
  • bitter if an alkali, change the color of indicators (e.g., turn red litmus paper blue), react with acids to form salts, promote certain chemical reactions...
    279 KB (31,753 words) - 16:09, 13 September 2024
  • Thumbnail for Hungarian language
    baboon, red meat, regular onion (not the red onion, which is "lila"), litmus paper (in acid), cities, countries, or other political entities associated...
    103 KB (10,476 words) - 20:06, 7 October 2024
  • Thumbnail for Oliver Wendell Holmes Jr.
    squeezed from these poor and puny anonymities to turn the color of legal litmus paper ... the most nominal punishment seems to me all that possibly could be...
    100 KB (12,427 words) - 20:31, 23 September 2024
  • Thumbnail for Carl Wilhelm Scheele
    It turned corks a yellow color and removed all color from wet, blue litmus paper and some flowers. He called this gas with bleaching abilities, "dephlogisticated...
    32 KB (3,540 words) - 23:27, 23 September 2024
  • Thumbnail for Bayard Rustin
    Niggers Are Gays" in which he asserted: Today, blacks are no longer the litmus paper or the barometer of social change. Blacks are in every segment of society...
    98 KB (10,962 words) - 23:55, 3 October 2024
  • Thumbnail for Hydroponics
    electrochemical sensor for determining the oxygen concentration in solution. Litmus paper, disposable pH indicator strips that determine hydrogen ion concentrations...
    90 KB (9,338 words) - 10:43, 29 September 2024
  • because he is able to use both Fire and Lightning jutsu. Using a special litmus paper, Naruto discovers his nature is Wind. Yamato arrives and asks Naruto...
    31 KB (633 words) - 09:19, 18 September 2024
  • Thumbnail for Santonin
    ignited, it is consumed, leaving no residue. Santonin is neutral to litmus paper moistened with alcohol. Santonin yields, with an alcoholic solution of...
    20 KB (2,592 words) - 06:34, 5 October 2024
  • Thumbnail for Yellow
    Archived from the original on 3 March 2016. Retrieved 8 April 2009. "Ph paper, Litmus paper, ph indicator, laboratory stain". GMP ChemTech Private Limited. 2003...
    93 KB (10,802 words) - 18:45, 22 September 2024
  • Thumbnail for Robert M. La Follette Jr.
    not "avowed Communists" but "fellow travelers" because "There is no litmus-paper test for these people." The only people he named were union leaders:...
    23 KB (2,185 words) - 06:52, 20 August 2024
  • PH indicator (redirect from PH paper)
    a crude pH indicator is a popular introductory chemistry demonstration. Litmus, used by alchemists in the Middle Ages and still readily available, is a...
    19 KB (1,662 words) - 02:25, 14 August 2024
  • Niggers Are Gays", in which he asserted: Today, blacks are no longer the litmus paper or the barometer of social change. Blacks are in every segment of society...
    62 KB (8,170 words) - 23:50, 27 September 2024
  • covered the short-lived smell of almonds. The flowers on the wall were red litmus paper which the ammonia – as an alkaloid – in the true smelling salts turned...
    57 KB (9,298 words) - 17:48, 12 July 2024