Page 12 - journal-8-23-Full

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1. Thin Layer Chromatography: TLC

2. Gas Chromatography: GC
Safety §«“¡ª≈Õ¥¿—¬ ¬“®“° ¡ÿπ‰æ√ Efficacy ª√– ‘∑∏‘º≈ HPLC 3. High Performance Liquid Chromatography:

4. Electrophoretic Method
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5. Spectrophotometry

Chromatographic fingerprint analysis
Quality §ÿ≥¿“æ
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(quantitative method)
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gerprint ‡ªìπÀ≈—° Õ¬à“߉√°Áμ“¡‡π◊ËÕß®“°§«“¡À≈“°À≈“¬ applied information content of fingerprint (√Ÿª∑’Ë 2)
¢Õßæ—π∏ÿåæ◊™ ·≈–∞“π¢âÕ¡Ÿ≈∑“ß«‘∑¬“»“ μ√å„π·μà≈–ª√–‡∑» 2. Quantitative method of chromatographic fin-

¡’§«“¡·μ°μà“ß°—π ∑”„Àâ¢âÕ°”Àπ¥·≈–«‘∏’°“√§«∫§ÿ¡ gerprint
§ÿ≥¿“æ¢Õß«—μ∂ÿ¥‘∫·≈–¬“®“° ¡ÿπ‰æ√∑—Èß∑’ˇªì𬓇¥’ˬ«·≈– ®–‡πâπ‰ª∑’Ë°“√·¬° (Separation) ·≈–°“√À“ª√‘¡“≥¢Õß
¬“μ”√—∫¡’§«“¡‡©æ“–‡®“–®ß·μ°μà“ß°—π‰ª„π·μà≈–ª√–‡∑»
φ =-∫p /[sum( p )]log p /[sum( p )]dx
„π∑’Ëπ’È®–¢Õ √ÿª«‘∏’°“√À≈—° Ê ∑’Ëπ‘¬¡„™â·≈–¢âÕ‡ πÕ∑’ˇÀ¡“–
¡ ”À√—∫ª√–‡∑»‰∑¬‡°’ˬ«°—∫°“√§«∫§ÿ¡§ÿ≥¿“æ«—μ∂ÿ¥‘∫ p = area under peak identified

·≈–¬“®“° ¡ÿπ‰æ√ ¥â«¬«‘∏’°“√ chromatographic finger-
√Ÿª∑’Ë 2 °“√§”π«π Applied information contents (φ)
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