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  1. Pink salmon — too much of a good thing? - Geophysical Institute

    Jun 14, 2018 · Pink salmon born in hatcheries, where professionals harvest eggs from wild salmon and rear them in captivity before releasing them in the ocean, have doubled in …

  2. Why Does the Pink Color in a Titration Fade Over Time?

    Jan 31, 2005 · How to answer the question: why the pink colour (from 2-3 phenolphthalein indicator) obtained at the end point of the titration in this experiment gradually disappears over …

  3. Aurora Forecast | Geophysical Institute

    1 day ago · Forecast: Moderate aurora activity forecasted. If skies are clear, moderate displays may be visible overhead from locations such as Utqiaġvik to as far south as Talkeetna, and …

  4. What do the blue and pink color of the rust indicator shown mean?

    Oct 12, 2014 · Hello, everyone. What do the blue and pink color the rust indicator shown mean? Let say, the mixture of potassium hexacyanoferrate(III) and phenolphthalein is the rust …

  5. Suggest "Informative" feedback reaction icon change away from …

    May 21, 2025 · OK, maybe I'm just old and not up to the latest trends in emoticon use, but I just noticed the "Informative" reaction option has changed from the (for me) very fitting "light bulb" …

  6. Why does a Walrus Blush? | Geophysical Institute

    2 days ago · The skin of walruses becomes pallid when it is exposed to cold air or water and changes to pink when exposed to warmer ambient temperatures. This color change may …

  7. Plasma Color: What Makes It Blue & What Colors It Can Be?

    Jan 6, 2011 · Most of the plasma we see in everyday life is more or less blue (lightning, plasma lamps, static discharges through air etc etc). But if I understand correctly, plasma can be in …

  8. Why does my Patton-Reeder indicator immediately turn blue?

    Dec 13, 2019 · From the guide; excess calcium ions form a complex with the PR indicator (pink), but then as the EDTA is added they start to form a complex with EDTA and it turns blue.

  9. Can Himalayan Salt Dissolve in Candle Wax? - Physics Forums

    Aug 25, 2016 · Perhaps some substance included in the 'pink salt' is soluble in molten wax and perhaps it can be oxidised at the temperature of the flame. None of this sounds very 'Scientific …

  10. Preparation of murexide indicator for Ca measurement

    Apr 21, 2017 · Murexide (ammonium purpurate) indicator: This indicator changes from pink to purple at the end point. Prepare by dissolving 150 mg dye in 100 g absolute ethylene glycol. …