Netzsch sample correction 측정 방법

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Han, K.C., Hwang, S.W., Cho, J.R., Kim, J.S., Yoon, J.W., Lim, O.K., Lee, S.B.. (Astudy on the Boil-Off Rate Prediction of LNG Cargo Containment Filled with Insulation Powders, Journal of the Computational Structural Engineering Institute of Korea, 2011). 24(2):193-200.

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정보제공 : ZEUS 장비활용종합포털(www.zeus.go.kr)

열중량분석기

Simultaneous Thermal Analyzer

장비정보

모델명	STA 449 F3	제작사	Netzsch
취득일자	2013-06-30	취득금액	140,000,000원
표준분류	물리적측정장비 > 온도/열/습도/수분측정장비 > 열분석기	활용용도	시험
장비위치	F1
장비설명	- 온도를 증가시켜 일어나는 시료의 무게 변화를 온도 또는 시간의 함수로 기록한다. - TG 곡선을 통해 정해진 온도범위에서 일어나는 물리적인 변화나 화학적인 반응의 결과에 따른 주어진 화합물이나 물질의 특징을 관찰한다. 설치장소: 포항금속소재산업진흥원 1층 120호
구성 및 기능	1) Temperature Range : RT(Room Temperature) ~ 1300°C 2) Furnace type : Vertical, top-loading to allow easy handling and to support the natural gas path and avoid condensation problems 3) Furnace hoist : Motorized single and double furnace hoists available 4) Simultaneous installed two different furnaces and easily changed by the operator 5) Vacuum tight : Down to 10-2 mbar 6) Auto-vac : Available 7) Minimum oxygen partial pressure : < 1 ppm (with OTSTM) 8) MFC Gas flow : 3 purges input, 0 … 250 ml/min or more 9) Metal housed internal MFC control system 10) Stainless gas tubing system 11) MFC control accuracy : 0.25 % or better 12) Temperature resolution : 0.001°C or better 13) Temperature accuracy : 0.3°C or better 14) TG measuring range : Max. 35 g (35000 mg) 15) TG sensitivity : 1 μg 16) Balance noise : +/-2 digits 17) Balance drift : < 5 μg/hour 18) Sample volume : 5 cm3 19) Corrosive gas : Available 20) Evolved gas analysis : Tailor made QMS and/or FTIR(Fourier transform infrared spectroscopy) couplings(Available) 21) Temperature modulated software (TM-DSC) 22) Baseline correction software Beflat 23) DSC correction is available 24) User exchangeable furnaces must be available
사용/활용예	- 시편의 무게변화가 없는 온도를 측정하여 그 물질의 안정성을 판단할 수 있다. - 가혹한 부식 환경(수증기 및 부식가스)에 장시간 노출시켜 중량변화를 측정하여 산화속도 및 안정성을 판단한다.
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