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SCIENCE 2

[์œ ๊ธฐํ™”ํ•™์‹คํ—˜] Diels-Alder reaction: 1,3-butadiene + maleic anhydride

[์œ ๊ธฐํ™”ํ•™์‹คํ—˜] Diels-Alder reaction: 1,3-butadiene + maleic anhydride 1) ์‹คํ—˜๋ชฉ์  Diels-Alder reaction์„ ์ด์šฉํ•˜์—ฌ 1,3-butadiene์ด maleic anhydride์™€ ๋ฐ˜์‘ํ•˜์—ฌ 4-cyclohexene-cis-1,2-dicarboxylic anhydride์„ ์ƒ์„ฑํ•˜๋Š” ๊ณผ์ •์„ ํ™•์ธํ•œ๋‹ค. 2) ReagentsCAS-number๋ฌผ์งˆ๋ถ„์ž๋Ÿ‰(g/mol)๋ฐ€๋„(g/ml)๋…น๋Š”์ (โ„ƒ)๋“๋Š”์ (โ„ƒ)77-79-23-sulfolene118.151.31465229108-31-6Maleic anhydride98.061.4852.8202106-42-3Xylene (C8H10)106.160.86-47.4139-Celite (SiO2)----110-54-3Hexane8..

SCIENCE/Chemistry. 2022.10.01

[๋ถ„์„ํ™”ํ•™์‹คํ—˜] ์ˆœํ™˜์ „์••์ „๋ฅ˜๋ฒ•(CV)์˜ ์›๋ฆฌ์™€ ์‘์šฉ

[๋ถ„์„ํ™”ํ•™์‹คํ—˜] ์ˆœํ™˜์ „์••์ „๋ฅ˜๋ฒ•์˜ ์›๋ฆฌ์™€ ์‘์šฉ / ์ˆœํ™˜์ „์••์ „๋ฅ˜๋ฒ• / Cyclic voltammetry / CV / CV ์›๋ฆฌ 1. ์‹คํ—˜ ๋ชฉํ‘œ (1) ์ „๊ธฐํ™”ํ•™๋ถ„์„์˜ ๊ธฐ๋ณธ์ด ๋˜๋Š” ์ˆœํ™˜์ „์••์ „๋ฅ˜๋ฒ•(cyclic voltammetry, CV)์˜ ์›๋ฆฌ๋ฅผ ์ดํ•ดํ•˜๊ณ  ์‘์šฉํ•œ๋‹ค. (2) ๋†๋„์— ๋”ฐ๋ฅธ ์ˆœํ™˜์ „์••์ „๋ฅ˜๋ฒ•์˜ ์ „๋ฅ˜ ๋ณ€ํ™”๋ฅผ ๊ด€์ฐฐํ•˜๊ณ , ์ด๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ๊ฒ€์ •๊ณก์„ (calibration curve)๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. (3) ์ „๊ธฐํ™”ํ•™ ํ™œ์„ฑ์ข…์˜ ์ „๊ทน ํก์ฐฉ ์—ฌ๋ถ€๋ฅผ ์ฃผ์‚ฌ ์†๋„์— ๋”ฐ๋ฅธ ์ „๋ฅ˜ ๋ณ€ํ™”๋ฅผ ๊ด€์ฐฐํ•จ์œผ๋กœ์จ ๊ฒฐ์ •ํ•œ๋‹ค. 2. ์‹คํ—˜ ์ด๋ก  โ‘  ์ˆœํ™˜ ์ „์•• ์ „๋ฅ˜๋ฒ•, Cyclic Voltammetry ์ „๊ทน ์ „์œ„๋ฅผ ์ˆœํ™˜ ์ฃผ์‚ฌํ•˜์—ฌ ๋‚˜ํƒ€๋‚˜๋Š” ์ „๋ฅ˜์˜ ํ๋ฆ„์„ ์ธก์ •ํ•˜๋Š” ๋ฐฉ๋ฒ•์œผ๋กœ, ์ „๊ทน ์ „์œ„๋ฅผ ์Œ์˜ ๋ฐฉํ–ฅ์œผ๋กœ ์ฃผ์‚ฌํ•˜๋ฉด ํ™˜์› ์ „๋ฅ˜(Cathodic current)๊ฐ€ ํ๋ฅด..

SCIENCE/Chemistry. 2022.07.18
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