Tender For College Of Agriculture, Susunia, Chhatna, Banklura-Equipment Purchase , Atomic Absorption Spectrophotometer ( Aas ) : Fully-Integrated Benchtop Double Beam Atomic Absorption Spectrometer ( Aas ) Having The Following Specifications Should Be Quoted: Model Number And Technical Specification As Claimed Must Be In The Website For Verification. Quote Price Must Be In Indian Rupees And Includes Delivery Charges Up To Laboratory Technicalspecification Monochromator Should Have Littrow Or Better Design With Motorized Drive For Automatic Wavelength Selection And Peaking. Mirror Free Fiber Optics Light Transmission For Maximum Light Throughput And Best Detection Limit Preferred Wavelength Range 190 – 900 Nm , Diffraction Grating 1800 Lines / Mm Blazed At 236 Nm And 597 Nm Is Preferred Reciprocal Linear Dispersion: 1.6 Nm / Mm Or Better , Background Correction Should Have Built-In Continuum Source Double-Beam Background Correction Using High-Intensity Deuterium Arc Lamp. Spectral Bandwidths User Selectable Automatic Slit Widths Of 0.2, 0.7 And 2.0 Nm At Their Optimized Slit Height. Detector Wide-Range Segmented Solid-State Detector, Lamp Turretminimum 8-Lamp Turret With Built-In Power Supplies Slot For Edl / Super Lamp Should Be Quoted. Lamps Requirements1.Single Or Multi Element Cathode Lamp-Fe, Mn, Zn, Ni, Ca, Mg, K, Mo, B, Na, P, Si, Al. 2. Electrode Less Lamp- As. Hg. Gas Controls Should Have Fully Computer-Controlled With Oxidant And Fuel Monitoring. Keyboard-Activated Remote Ignition System With Air-Acetylene. Acetylene Flow Should Be Automatically Adjusted Prior To The Oxidant Change When Switching To Or From Nitrous Oxide-Acetylene Operation. Safety Functions Interlocks To Prevent Ignition In Absence Of Proper Burner Head, The Nebulizer / End Cap, Or The Burner Drain System Preferred. Sample Introduction System Modular Sample Introduction System Consisting Of The Quick-Change Spray Chamber, Burner Head And Nebulizer Units. Alignment Of The Flame In The Light Beam Is Fully Automatic, Using A Motorized Burner Mount For Vertical And Horizontal Burner Adjustment And Automatic Software-Controlled Self-Optimization Of The Burner Position. The Optimization Of The Operating Flame Condition Is Also Fully Automatic And Software Controlled. Nitrous Oxide Burner Head, Hose Assemblymust Be Quoted If Required For Analysis Of Elements Mentioned In Tender Specification. Data Control System Complete Pc Control Using Windows Based Software Operating Under The Microsoft® Windows® 10 With Complete Control Of The Instrument And Its Major Accessories Plus Data Handling And Storage Should Be Quoted. Accessories ( A ) Suitable Exhaust Hood ( B ) Uhp Grade Acetylene Gas Filled Cylinder ( C ) Uhp Grade Argon Gas Filled Cylinder ( D ) Uhp Grade Nitrous Oxide Gas Filled ( E ) Double Stage Gas Regulators For Acetylene, Argon & Nitrous Oxide ( Or Imported If Required ) ( F ) Gas Purification Panel For Above Gases ( G ) 10 Kva Online Ups On Sitewarranty Three Year Installation / Demonstration Free Of Cost , Chns Analyser: Fully Automated Pc Controlled Elemental Analyses For Solids, Liquid And Semi-Solid Samples. Operating Modes For Measurement Of Chns, Chn, Cns, And S. Model Number And Technical Specification As Claimed Must Be In The Website For Verification. Quote Price Must Be In Indian Rupees And Includes Delivery Charges Up To Laboratory. Sample Weight Range : Upto 1000 Mg For Chns Mode. It Should Be Able To Handle At Least 10Mg Absolute Carbon In Chns Mode. Detection Range: 0 To 100% For All Elements ( C, H, N, S ) Lod : 50 Ppm Or Better, Standard Deviation : ?0.1% Of Absolute. Fully Digital Electronics That Should Be Fully Integrated In Unit, No External Control Panels Required, Should Have Mass Flow Controller / Electronic Flow Controller For Constant Flow Of Carrier Gas. Quick Swap Clamp Connections For Fast Maintenance. Standard Deviation : ?0.1% Of Absolute. Fully Digital Electronics That Should Be Fully Integrated In Unit, No External Control Panels Required, Should Have Mass Flow Controller / Electronic Flow Controller For Constant Flow Of Carrier Gas.Quick Swap Clamp Connections For Fast Maintenance. Furnace System• Should Have Two Zone Furnace System, Separate For Combustion And Reduction With Independent Temperature Control For Each Furnace. It Should Be Possible To Set Difference Temperature For Combustion And Reduction In Chns Mode.• Controlled Furnace Temperature Should Be 1200 0 C Or More • Furnace Working On Low Voltage For Safety And Long Life With 10 Years Warranty. • Should Have Possibility To Use Ceramic / Quartz Ash Finger To Handle High Halogen Or Fluorine Contents Sample. Separation System• Advanced Chromatographic Separation Of Gases Using Temperature Programmed Desorption Technology.• Complete Instrument Control Over Elution Process With Provision Of Auto Zero Of Baseline After Each Element Elution.• Full Separation Of All Analytes And There Should Be No Peak Tailing Or Peak Overlap • Sulphur Being A Crucial Element, Should Be Analysed With Higher Column Temperature ( Separation Column ) Than Nitrogen, Carbon, And Hydrogen. All Necessary Accessories / Options In This Regard Should Be Quoted As Mandatory Items, Detector System • Oxygen Intrusion Free Thermistor Technology Based Temperature Stabilized Tcd Detector For Measurement Of C-H-N-S• 10 Year Or More Warranty On Tcd.• All The Internal Gas Flow Line Should Be Heated To Avoid Condensation. Autosampler System• Electromechanical Auto Sampler System With 100 Positions Or More. The Autosampler Should Hold At Least 500 Mg Of Soil Sample.Pneumatic Autosampler Is Not Acceptable. • The Autosampler Should Be Zero Blank And Ensure Complete Removal Of Atmospheric Gases Before Sample Injection Into The High Temperature Reactor / Furnace. It Is A Crucial Scientific Requirement And Must Be Met. Carrier Gas: Possibility Of Using Argon Gas Or Helium Gas As A Carrier Gas. There Should Be Option For Automatic Carrier Gas Switching From Helium To Nitrogen Or Argon Or There Should Be Option Switch Off The Gas Supply While The Machine Is At Working Temperature To Save Carrier Gas And Time. Software • Should Be Windows 10 / 11 Professional Based And Should Have Display Of Set And Actual Pressures, Flow Rates, Temperatures, Number Of Samples Analysed With Provision For Setting Maintenance Interval With Warning When Maintenance Needed • Should Have Segmented Leak Check Through Software To Enable Identification Of Exact Position Of Leak. Consumables: To Be Supplied With Consumables Sufficient For 1, 000 Sample Analysis In Chns / Cns Mode, Accessories Vendor Should Quote For Complete System Including The Following Items S. No. Details Quantity, 1 Pc ( Intel Core I5 Or Better , Ram-At Least 8Gb Ram, Ssd 512 Gb, Hard Drive-1Tb Or More, Screen Size-21’’Or More, At Least 3 Usb 2.0 Ports Windows 10, 64-Bit ) , Black & White Laserjet Printer 01, 2 Uhp Grade Helium Gaswith Double Stage Regulator 01, 3 Uhp Grade Oxygen Gaswith Double Stage Regulator Necessary Documents:1. Catalogue In Original.2. All Technical Specifications Should Be Printed On The Manufacturers Catalogue / Data Sheet. Separate Sheet Will Not Be Acceptable.3. Please Include The List Of Minimum 10 Users In India. On-Site Warranty Three Year , Double Beam Uv Vis Spectrophotometer: 3 Double Beam Uv Vis Spectrophotometer: Microprocessor Based Uv-Vis Spectrophotometer For Operation On 220V / 50Hz. ? Stand-Alone Operation As Well As Complete Control Through Pc With Pc Software Supplied As Standard ? Double Beam Optics With Czerny-Turner Monochromator ? Wide Wavelength Range Of 1, 100 Nm To 190 Nm ? Variable Spectral Bandwidth 0.5, 1, 2, 4, 5 Nm ? Wavelength Setting In 0.05 Nm ? Wavelength Accuracy Of + 0.1Nm For D2 Spectral Line ? Wavelength Repeatability Of + 0.1Nm ? Variable Wavelength Scanning Speed: = 3, 000 Nm / Min ? Slew Rate : 4800 Nm / Min ? Ultra Low Stray Light Of <0.05% At 220Nm Nai, 360Nm Nano2 ? Wide Photometric Range Of -3.0 To +3.0 Abs And 0 To 300 %T ? High Photometric Accuracy Of + 0.002 Abs ( 0~0.5 Abs ) ? High Photometric Repeatability Of Less Than ± 0.001 Abs ( 0~0.5 Abs ) ? Baseline Stability: = 0.0004 Abs / 30 Min ( 500 Nm, One Hour After Light Source Turned On ) ? Baseline Flatness: ± 0.001 Abs ( 1100 ~ 190 Nm, One Hour After Light Source Turned On ) ? Ultra Low Photometric Noise Of < 0.0008 Abs ( 500 Nm ) ? Dual Source – High Intensity Halogen Lamp And Deuterium Lamp With Built-In Light Source Auto Position Adjustment ? High Sensitivity Silicon Photodiode Detector ? 3 Or More Usb Ports For High Speed Pc And Printer Connectivity ? All Operational Modes As Standard – Photometric; Spectrum; Quantitation; Kinetics, Time Scan, Bio-Method In Stand Alone And Pc Mode. ? Large Sample Compartment Compatible With Wide Range Of Accessories. ? Must Supply One Pair Of 10Mm Path Length Quartz Cuvettes Of 3.5 Ml Volume As A Standard Supply ? 12 Months Warranty From The Date Of Installation On Site Warranty : Three Years
