Bidhan Chandra Krishi Viswavidyalaya Tender

FT-IR Spectrometer with accessories Specification : • Must have a scan range of 8300 - 350cm-1 • Should have High-Linearity Room temperature Mid-Infrared detector (RT-MIR) • Should have rotary Michelson interferometer for fast scanning, self-compensating for dynamic alignment changes due to a tilt and shear • Long-life sealed and desiccated optical unit incorporating special design for extended desiccant life, Vibration isolated base-plate • The source should be Long-life source with hot-spot stabilization; user replaceable. • The system should have a Typical desiccant lifetime of 5 years at 25° C temperature and 90% relative humidity • A real-time atmospheric vapour correction (AVC) utility must be available. This should not require the collection of reference or calibration spectra. • The system should at least have a signal to noise ratio of 9,300:1 peak-peak, 5 seconds and 32,000:1 peak-peak, 1 minute • The system should have a spectral resolution of 0.5 cm-1 • Wavelength accuracy at least 0.1 cm-1 at 3000 cm-1 is essential • Wavelength precision of at least 0.01 cm-1 at 3000 cm-1 • Along with the main instrument, accessories like: 1) Demountable Cell Mount, 2) KBr rectangular Windows (Pack of 2), 3) Assorted Rectangular Spacers, 4) KBr Die Set, 5) Potassium Bromide Pellet Holder, 6) Press, 7) IR grade KBr Powder (100g) and 8) Adjustable Adaptor should be offered directly from the manufacturer of the FTIR system. • Instrument should be provided with UPS, PC for operation. • Standard warranty of 3 years should be given along with the instrument. • The instrument must use USB, wireless and TCP/IP interface allows direct connection with LAN.Instruments should have facility to be configured with wireless router communication. Software: • The software should have feature to enable the user real time update of spectral information plus results to provide faster feedback of information data status • A single software platform to incorporate all of the functions required for infrared analyses; instrument control, data manipulation and analysis, and flexible report utilities • Password-protected user login function. Access to methods, menu, toolbar and toolbox functions can be controlled • Software processing should include extensive suite of spectral processing functions with simple user interface, examples include 1st-4th derivative with a variable filter, smooth, difference, normalization, A, %T, LOG, ordinate modes, cm-1, nm and micron abscissa modes, +,-,*,/, baseline correction, interpolate, peak find. Custom arithmetic, processing chains, and automatic data tune feature

Double Beam UV-Visible Spectrophotometer Specification : System: UV-Visible Spectrophotometer with Blazed holographic grating with 1200 lines per mm, Czerny‐ Turner with 0.2m focal length. Wavelength Range: 190-1100 nm or better Lamp Source: Tungsten / Deuterium Lamp Spectral Bandwidth: 0.5, , 1, 2, 5, 20 nm variable or better Wavelength Accuracy: ±0.1 nm for the entire wavelength range or better Photometric Absorbance: +/‐ 4A or better Wavelength Reproducibility: ±0.1 nm or better Detector: Silicon Photodiode Photometric Reproducibility: +/‐0.001 Abs or better Photometric accuracy: ± 0.004 A or better Stray light:0.02% (220 nm Nal) or better Photometric Noise: 0.00005 Abs or better Photometric drift: 0.0003 Abs/h or better Baseline flatness: ± 0.0005 A or better Software: Spectral Analysis, Quantitative Analysis, Kinetic Analysis & Photometric Analysis, for complete spectrophotometer control, Data storage, Spectral overlay in 3D Display mode, create customized report templates, Built in User group creation, log history and Password protection. Quartz Cuvettes: 3.5 ml 1 set Warranty: 3 years standard warranty from the date of installation Accessories: Instrument should be supplied with PC, 1 KVA UPS for operation

Fluoride Selective Electrode Specification To be compatible with EUTECH Instruments made CyberScan Series 600