• Chemistry Department Central Facility (CenFac)
  • shukriaziz@um.edu.my
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Instrument Information

Brand : Shimadzu

Model : UV-1900i

Brief description:The UV-1900i is a double-beam UV-Vis Spectrophotometer using Shimadzu's original LO-RAY-LIGH™ diffraction grating technology. It boasts a high resolution of 1 nm, the lowest level of stray light and noise in its class, as well as an ultra-fast scan function allowing for data acquisition at 29,000 nm/min. It also features a multi-language interface that is easy to use while providing a diversity of measurement modes such as photometric, spectrum, quantitation, kinetics, time-course, and bio-methods. The UV-1900i is capable of high-accuracy quantitative analysis, detection of low-concentration components, and can perform analysis compliant with Pharmacopeia (JP, USP, and EP). The standard LabSolutions UV-Vis control software provides labor-saving measurements and allows for efficient analysis and integrated data management.

Technical Specification

  • Sample volume: 10 mm standard cell = 2.5 to 4.0 mL, TrayCell = 0.7 to 10 μL, Nano Stick = 2 μL min.
  • Wavelength range: 190 to 1,100 nm.
  • Spectral bandwidth: 1 nm
  • Light source: 20 W halogen lamp and deuterium lamp Built-in light source auto position adjustment
  • Monochromator: LO-RAY-LIGH grade blazed holographic grating in Czerny-Turner mounting
  • Detector: Silicon photodiode
  • Sample compartment Internal dimensions: W 110 × D 250 × H 115 mm
  • Distance between light beams: 100 mm
  • Display: 24-bit color touch screen

Location

L1-25, Bilik UV-VIS, First Floor, Chemistry Lab Building

Person In-Charge

Senior Science Officer

Senior Assistant Science Officer

 Mr. Muhammad Fauzan Zainudin Miss Zailawati Muhammad Zakaria
  • Name: Mr. Muhammad Fauzan Zainudin
  • Designation: Senior Science Officer
  • Telephone: +603-79677022 ext:2539
  • Fax: None
  • Email: azhar70@um.edu.my
  • Name: Miss Zailawati Muhamad Zakaria
  • Designation: Senior Assistant Science Officer
  • Telephone: +603-79674251
  • Fax: None
  • Email: zailawati@um.edu.my
  • 1. This instrument can accept samples in the form of Powder, Thin film or Bulk
  • 2. Minimum weight per sample is 0.1g
  • 3. Standard must be provided by the user

Instrument Handling Procedures

Please click HERE

  • This instrument can accept samples in the form of Powder, Thin film or Bulk 
  • Minimum weight per sample is 0.1g
  • Standard must be provided by the user

 Instrument Handling Procedures 

Service Charge

For futher information regarding service charge, please click HERE


Last Update: 11/08/2026