UV-VIS-NIR SPECTROPHOTOMETER

Model: Lambda 19
Make:Perkin Elmer, U.S.A.

Description:
UV-VIS-NIR Spectrometer Perkin Elmer Lambda 1050+ Range: 190-3200 nm: Diffuse reflectance attachment; Standards for wavelength and absorption calibration validation traceable to NIST All types of measurements/studies in the region including Absorbance, Transmission and Reflectance spectra; Quantitative analysis.

Used for analysis of various compounds to find out the absorbance value & wavelength maxima in UV-VIS-NIR region

Very useful instrument for qualitative analysis.

The accessory "Integrating sphere" with spectrometer helps to analyze samples in reflectance mode.

The accessory helps to analyze samples like cloth, leather, films, various biological samples.

Helps in research & development of dyes products chemicals and other colored products.

The instrument is also useful to study kinetic behavior of chemical reaction with respect to time.

Specifications:

Double Beam, Double Monochromator, Ratio Recording.

Lamp: Deuterium (UV), Tungsten-Halogen (VIS/NIR).

Detectors: Photomultiplier tube for UV/Vis Lead-Sulphide cell (PbS) for NIR.

Wavelength Range: 190-3300nm for Absorbance/Transmission and 200-2500nm for Reflectance.

Scan Speed: 0.3 to 1200 nm/min.

Wavelength Accuracy: ± 0.080 nm for UV/VIS & ± 0.3 nm for NIR.

Base line flatness: ± 0.0008 A° , 4 nm slit

Ordinate Mode: Scan, Time Drive, Wavelength Programming, Concentration Photometric Accuracy: ± 0.003 A° or ± 0.001 A° %R

Applications:

Chemical – To find out unknown concentration. To find out wavelength maxima

Physics – To find out band gap of the semiconductor crystal and its optical properties.

Clinical and Pharmaceutical – To find out optical density

Environment Science – Effluent water analysis and its concentration

Dyes – To find out colour concentration

Material Science - Find out materials optical properties and its concentration.