EXSTAR 7000系列TG/DTA配備的水平橫立式雙秤桿設(shè)計能夠提供無偏移的基線,對于外在環(huán)境所造成的干擾,包括溫度擾動、熱流效應(yīng)等因素,它都能有高度的抗干擾效能;此外,在精工的升溫速率控制熱分析(CRTA)系統(tǒng)下,使熱重分析檢測能夠兼具彈性應(yīng)用的同時,更具備了優(yōu)異的高度效能表現(xiàn)。
TG/DTA 可以測得以下各項數(shù)據(jù):
- 重量變化
- 相變化
- 成份比例分析Compositional Analysis
- 熔點Melting
- 裂解溫度Decomposition Temperature
- 玻璃轉(zhuǎn)移溫度Glass Transition Temperature
- 熱穩(wěn)定性Thermal Stability
- 氧化誘導(dǎo)時間 O.I.T.(Oxidative Induction Time)
- 揮發(fā)性測試Measurement of Volatiles
- 玻璃陶瓷相變化點Phase Transformation and Properties of glass ceramics
- 填充物比例分析Filler Content
- 阻燃性研究Flammability Studies
? 特殊應(yīng)用
- 真空測試熱重變化 Vacuum Thermal Testing
TG/DTA 7300 Specification
■ Balance System:Horizontal differential type
■ Temperature range:Ambient to 1500℃
■ TG range:+/- 400mg
■ TG RMS noise / sensitivity:0.1 ug / 0.2 ug
■ DTA range:+/- 1000 uV
■ DTA RMS noise / sensitivity:0.03 uV / 0.06 uV
■ Scanning rates:0.01 to 100℃/min
■ Maximum Sample weight:200 mg
■ Atmosphere:Air, inert gas flow, vacuum (to 1.3Pa)
■ Purge gas flow rate:0 to 1000 ml/min
■ Cooling time:From 1000℃ to 50℃ within 12 minutes
■ Gas purge control (option):Gas Controller, Mass Flow Controller
■ Auto sampler (option):50 Sample, mechanical finger transport
■ Dimensions:420 (W) x 600 (D) x 315 (H) mm. With auto-sampler attached:420 (W) x 600 (D) x 640 (H) mm
■ Balance System:Horizontal differential type
■ Temperature range:Ambient to 1500℃
■ TG range:+/- 400mg
■ TG RMS noise / sensitivity:0.1 ug / 0.2 ug
■ DTA range:+/- 1000 uV
■ DTA RMS noise / sensitivity:0.03 uV / 0.06 uV
■ Scanning rates:0.01 to 100℃/min
■ Maximum Sample weight:200 mg
■ Atmosphere:Air, inert gas flow, vacuum (to 1.3Pa)
■ Purge gas flow rate:0 to 1000 ml/min
■ Cooling time:From 1000℃ to 50℃ within 12 minutes
■ Gas purge control (option):Gas Controller, Mass Flow Controller
■ Auto sampler (option):50 Sample, mechanical finger transport
■ Dimensions:420 (W) x 600 (D) x 315 (H) mm. With auto-sampler attached:420 (W) x 600 (D) x 640 (H) mm
主要則是藉由樣品的重量變化與相變化來判斷材料中所含的成份比例與特性鑒定,其他如材料的熱穩(wěn)定性分析、含水量或有機溶劑等的揮發(fā)物測量、填充物比例分析、氧化誘導(dǎo)時間與材料的阻燃性研究等各種應(yīng)用途徑。