41. For anionic resins, regeneration typically uses a solution of sodium hydroxide ( lye ) or potassium hydroxide . 42. The cap surface will turn yellow to orange when a drop of dilute potassium hydroxide is applied. 43. Potassium hydroxide is a very strong base, and is used to control the pH of various substances.44. The first step in this procedure is an rearranges to the flavonol by reaction with potassium hydroxide . 45. It tests negative with potassium hydroxide . 46. Potassium hydroxide served as the electrolyte.47. He said the shipment's transit documents identified the contents as potassium hydroxide , a highly caustic but non-radioactive material. 48. NaOH is used more often than potassium hydroxide because it is cheaper and a smaller quantity is needed. 49. A single drop of 10 % potassium hydroxide ( KOH ) solution is then added to the specimen. 50. In laboratories bromates can be synthesized by dissolving in a concentrated solution of potassium hydroxide ( KOH ).
