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차이를 보여 적정시 HCl의 양이 오차가 생겼을 것으로 생각된다.
<참고문헌>
-http://100.naver.com/
-microbial ecology (미생물 생태학 수업용 교재)
verygood
한 학기 동안 수고 많았습니다. 시험 잘 보세요. 1.productivity & decomposition
2.생분해란?
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5) Chemical Experimental dictionary - 한국사전연구사
6) 신 유기 합성 실험 - (동명사)
7) 유기 화학 실험 - (삼광출판사)
8) 유기 화학 실험 - (문운당) 1. PRINCIPLE
2. APPRATUS / REAGENT
§. 기구 설명
§. 시약 설명
3. EXPERMENTAL PROCESS
『참고도서』
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Experiment Implement & Materials
1) Materials
Phenolphthalein, NaOH, unknown vinegar A, B
2) Experiment Implement
△-flask, meas cylinder, stand, burette, analytical balance, auto pipet
2. Methods
(1) ※ Sample : unknown vinegar A,B
1) 5ml sample into a 250ml △-flask
2) 3~4 drops of 0.5% phenolphtha
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experiment. So we will have to dry apparatus before we make an experiment to use it possibly.
Finally, we should have to use the water bath instead of thermostat, heating at 70 with reflux condenser, but we couldn't. Because water's temperature heat about flask and flask heat the solution, it has m
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was applied to
the center of the top of the band.
(9) For each indicator, also measure the distance
(10) Calculate Rf values for each indicator. Ⅰ. Objective & Keyword
Ⅱ. Introduction & Background
Ⅲ. Apparatus
Ⅳ. Reagents
Ⅴ. Experimental process
VI. Caution & References
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