Ø Chinese Name: 紫外/可见分光光度计

Ø Model: U-3900

Ø Manufacture: Hitachi

Ø Acquisition Date: Sep 24^th, 2014

Ø Acquisition Price: 83,300.00 RMB

Ø Locate: Room 501, Building No. 24, TJU

Ø Specification:

     u Wavelength range: 190 nm~900 nm

     u Wavelength accuracy: ±0.1 nm (at 656.1 nm)

     u Photometric mode: Abs, T%, R%, E(S), E(R)

     u Photometric range: Abs (-3.8~+3.8), T% (0%~300%)

     u Photometric accuracy: ±0.002 (0~0.5 Abs)

                                               ±0.003 (0.5~1.0 Abs)

                                               ±0.006 (1.0~2.0 Abs)

                                               ±0.3%T

      uBaseline stability: Within 0.0002 Abs/hr (at 500 nm )

      u Light source: Deuterium lamp; Tungsten iodine lamp

      u Detector: Photomultiplier

Ø Applications:

uUV/VIS spectrometer is routinely used in analytical chemistry for quantitative determination of different analytes, such as transition metal ions, highly conjugated organic compounds, and biological macromolecules. It is also used for scanning the absorbance spectroscopy of an analyte.