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and then, acting as a weak acid, hydrogen phthalate reacts reversibly with water to give hydronium (H 3 O +) and phthalate ions. HP − + H 2 O ⇌ P 2− + H 3 O + KHP can be used as a buffering agent in combination with hydrochloric acid (HCl) or sodium hydroxide (NaOH). The buffering region is dependent upon the pKa, and is typically +/- 1.0 ...
Phthalates (US: / ˈ θ æ l eɪ t s / UK: / ˈ θ ɑː l eɪ t s ˌ ˈ f θ æ l ɪ t s / [1] [2]), or phthalate esters, are esters of phthalic acid. They are mainly used as plasticizers , i.e., substances added to plastics to increase their flexibility, transparency, durability, and longevity.
The monopotassium salt, potassium hydrogen phthalate is a standard acid in analytical chemistry. Typically phthalate esters are prepared from the widely available phthalic anhydride . Reduction of phthalic acid with sodium amalgam in the presence of water gives the 1,3-cyclohexadiene derivative.
The 17th Parliament of Sri Lanka (10th Parliament of the Democratic Socialist Republic of Sri Lanka) is the current Parliament of Sri Lanka, with its membership determined by the results of the 2024 parliamentary election held on 14 November 2024. [1] [2] The parliament met for the first time on 21 November 2024. [3]
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Order of precedence of Sri Lanka as Speaker of the Parliament: Succeeded by. Murdu Fernando. as Chief Justice This page was last edited on 9 January 2025, at 05:03 ...
Punya Sri Kumara Jayakody ... He is a member of the Parliament of Sri Lanka from National list since November 2024 as a member of the National People's Power. [5]
Ranwala Arachchige Asoka Sapumal Ranwala is a Sri Lankan trade unionist and politician, who served as the 22nd Speaker of the Parliament of Sri Lanka from November to December 2024. He resigned from the position after serving for only 22 days, thus making him the shortest-serving speaker in Sri Lanka's history. [1]