Infrared spectrometer - Thermo Nicolet Nexus 670
- Spectral range: 11,000 to 400 cm-1 (NIR to mid-IR)
- Spectral resolution: variable with max 0.125cm-1
- IR detector: LN2 cooled MTC-B detector (11,700-400cm-1)
- Near IR source: tungsten halogen (25,000-2000 cm-1)
- Mid IR source: globar (9,600-20 cm -1)
- Ge/KBr beam splitter: (11,000 - 375 cm-1)
Sampling accessories
- Transmittance: standard transmission accessory
- Attenuated total feflectance: Golden Gate diamond ATR accessory
- Reflectance: Harrick "Cricket" combined diffuse reflectance and specular reflectance accessory
- Fiber ATR probe: diamond tip attached to PIR optical fiber cable (3300 -550 cm-1) & a fiber mount
- Emission port: internal directing mirrors and instrument port for focusing an external emission source
Sample preparations
- Powder sample: no sample preparation needed
- Liquid sample: no sample preparation needed
- Film sample: no sample preparation needed
- Rock sample: to be cut with at least one bottom flat surface for reflectance study (< 5 mm diameter)