화학공학 pH 측정(영문)

화학공학 pH 측정(영문) [화학공학] pH 측정(영문).pptx 목차 Objective Background Theory Apparatus & Reagent Procedure Reference Q & A 본문 Objective Chemicals have the chemical property of acidity or alkalinity that is important for safe contact, chemical reaction and physical mixture. Determination of the acidity-alkalinity by acid-alkali reaction is crucial in the understanding of chemical functions. The principle of pH meter Advantage and disadvantage of pH meter Advantage Wide measurable range Need short time to measure pH Simple control and continuous measure Disadvantage Fragile glass electrode High internal resistance of electrode 본문내용 eference Q & A O b j e c t i v e Chemicals have the chemical property of acidity or alkalinity that is important for safe contact, chemical reaction and physical mixture. Determination of the acidity-alkalinity by acid-alkali reaction is crucial in the understanding of chemical functions. B a c k g r o u n d What is the pH? pH is a measure of the acidity or basicity of an aqueous solution. Pure 참고문헌 http://en.wikipedia.org/wiki/hydrochloric_acid http://en.wikipedia.org/wiki/sodium_hydroxide http://en.wikipedia.org/wiki/Organic_acid http://www.suntex.com.tw/en/product/view.asp http://www.epa.gov/acidrain/education/site_students/phscale.html http://www.coastwidelabs.com/Technical%20Articles/ph__the_power_of_hydrogen.htmChemical