Litmus test (politics) Litmus test (politics) A litmus test is a question asked of a potential candidate for high office, the answer to which would determine whether the nominating official would proceed with the appointment or nomination. The expression is a metaphor based on the litmus test in chemistry, in which one is able to test the general acidity of a substance, but not its exact pH. Those who must approve a nominee, such as a justice of the Supreme Court of the United States, may also be said to apply a litmus test to determine whether the nominee will receive their vote.
Lick Run (West Branch Susquehanna River tributary) upstream of Flegals Run, the manganese load of Lick Run is per day. The daily loads of acidity and alkalinity at this location are and , respectively. Between Flegals Run and the mouth of Lick Run, the concentration of manganese is 0.7 milligrams per liter, the concentration of acidity is 22.37 milligrams per liter, and the concentration of alkalinity is 7.33 milligrams per liter. Between UNT 26087 and UNT 26085, the manganese load of Lick Run is per day. The daily alkalinity load is and the acidity load is per day. The concentrations of manganese, alkalinity, and acidity are 2.53