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  2. Henderson–Hasselbalch equation - Wikipedia

    en.wikipedia.org/wiki/Henderson–Hasselbalch...

    The Henderson–Hasselbalch equation relates the pH of a solution containing a mixture of the two components to the acid dissociation constant, K a of the acid, and the concentrations of the species in solution. [6] Simulated titration of an acidified solution of a weak acid (pK a = 4.7) with alkali

  3. pH - Wikipedia

    en.wikipedia.org/wiki/PH

    The measurement of pH can become difficult at extremely acidic or alkaline conditions, such as below pH 2.5 (ca. 0.003 mol/dm 3 acid) or above pH 10.5 (above ca. 0.0003 mol/dm 3 alkaline). This is due to the breakdown of the Nernst equation in such conditions when using a glass electrode.

  4. Bjerrum plot - Wikipedia

    en.wikipedia.org/wiki/Bjerrum_plot

    3] + [CO 23]. K 1, K 2 and DIC each have units of a concentration, e.g. mol/L. A Bjerrum plot is obtained by using these three equations to plot these three species against pH = −log 10 [H +] eq, for given K 1, K 2 and DIC. The fractions in these equations give the three species' relative proportions, and so if DIC is unknown, or the ...

  5. Metformin - Wikipedia

    en.wikipedia.org/wiki/Metformin

    Formulations are 500/1, 500/2, 500/4, 1000/2, and 1000 mg/4 mg of metformin/rosiglitazone. In 2009, it was the most popular metformin combination. [184] In 2005, the stock of Avandamet was removed from the market, after inspections showed the factory where it was produced was violating good manufacturing practices. [185]

  6. 6 Benefits of Taking Metformin (Besides Weight Loss) - AOL

    www.aol.com/6-benefits-taking-metformin-besides...

    Another small study on people without diabetes who were overweight or had obesity found that those taking metformin lost between 5.6 and 6.5 percent of their body weight. In contrast, the control ...

  7. pH indicator - Wikipedia

    en.wikipedia.org/wiki/PH_indicator

    A pH indicator is a halochromic chemical compound added in small amounts to a solution so the pH (acidity or basicity) of the solution can be determined visually or spectroscopically by changes in absorption and/or emission properties. [1]

  8. 4 Tips for Knowing When to Take Metformin - AOL

    www.aol.com/4-tips-knowing-metformin-145100341.html

    There’s no best time to take metformin for weight loss or type 2 diabetes (or any other condition). But taking it at the same time each day can help you stay consistent and avoid missing or ...

  9. Acid dissociation constant - Wikipedia

    en.wikipedia.org/wiki/Acid_dissociation_constant

    Therefore, the buffer regions will be centered at about pH 1.3 and pH 4.3. The buffer regions carry the information necessary to get the pK a values as the concentrations of acid and conjugate base change along a buffer region. Between the two buffer regions there is an end-point, or equivalence point, at about pH 3.

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