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Density 단위 비중 (Specific Gravity) - 어떤 물체의 단위중량과 순수한 물 4℃일 때 단위중량의 비 1) d(20) = Mass Volume = g/cm 3 2) d(20/20) *) = d 20 Sample d 20 Water = g/cm 3 g/cm 3 = no dimension 3) d(20/4) *) = d 20 Sample d 4 Water = g/cm 3 g/cm 3 = no dimension *) specific Gravity 5 Internal usage only Density 실제 밀도와 겉보기 밀도 • 실제 밀도 (True density) 진공상태 혹은 디지털 밀도 측정기에서 측정 • 겉보기 밀도(Apparent density) 부력효과의 영향이 없는 공기 상태에서 측정 오랫동안 많은 사람들이 겉보기 밀도를 측정 예시: 겉보기 밀도 실제밀도 Air (20 ºC) 0.00000 g/cm 3 0.00120 g/cm 3 Water (20 ºC) 0.99715 g/cm 3 0.99821 g/cm 3 6 Internal usage only 3
Density 밀도 측정 방법들 Density meter Pycnometer Density kit Hydrometer METTLER TOLEDO Old New 7 Internal usage only Density Hydrometer 1. 샘플에 Hydrometer를 담근다 Hydrometer 2. 눈금을 읽는다. 8 Internal usage only 4
Page 1 and 2: METTLER TOLEDO MT Product & Service
Page 3 and 4: 디지털 밀도계와 굴절계
Page 5: What is Density? 정의 밀도 m
Page 9 and 10: Density Pycnometer • 저렴한
Page 11 and 12: Mechanical Oscillation Principle Os
Page 13 and 14: Measuring error 점도 오차 • 5
Page 15 and 16: Agenda • What is density and how
Page 17 and 18: Refractive index Portable optical r
Page 19 and 20: Refractive index Digital refractome
Page 21 and 22: Food & Beverage Industries • Brix
Page 23 and 24: Agenda • What is density and how
Page 25 and 26: LiquiPhysics - the Components Liqui
Page 27 and 28: LiquiPhysics - the Components Liqui

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Ã«Â”Â”Ã¬Â§Â€ÃÂ„Â¸ Ã«Â°Â€Ã«ÂÂ„ÃªÂ³Â„Ã¬Â™Â€ ÃªÂµÂ´Ã¬Â ÂˆÃªÂ³Â„ Ã¬Â›ÂÃ«Â¦Â¬ Ã«Â°Â Ã¬ÂÂ‘Ã¬ÂšÂ© - Ã«Â©Â”ÃÂ‹Â€Ã«ÂŸÂ¬ ÃÂ†Â Ã«Â ÂˆÃ«ÂÂ„ - Mettler Toledo