Specifications for double beam Atomic Absorption Spectrometer
Supply, Installation, Commissioning, Functional Testing, Performance checking and two days operation & maintenance training of Double beam multi element Atomic Absorption Spectrophotometer (AAS) at KAPP-3&4,Gujarat Site for having capability to use both flame and furnace mode of operation from one PC controller with all standard accessories required for smooth instrument function. Following are the minimum specification required.
Sr.
No. Description Specification
1 Monochromator Czerny-Turner type with one or more focal length minimum at 330 mm. The Monochromator should provide a true double beam operation.
2 Wavelength range 185-900 nm (Minimum)
3 Grating Holographic grating with 1800 line/mm (Minimum) 4 Wavelength accuracy /
Repeatability/ reproducibility
Wavelength accuracy ±0.3 nm (Maximum) / repeatability +0.035 nm (Maximum) / Wavelength reproducibility 0.005 nm
5 Sensitivity (Cu) >0.9 Absorbance with precision of ≤ 0.5% RSD for 5 mg/L Copper standard/
Flame: (Cu 324) 0.017 mg/L 1 %Abs using a 10 cm burner head 6 Slits Automated slit selection from 0.1/0.2 nm to 1 nm (Minimum)
7 Detector High Sensitivity wide range Photo Multiplier tube covering 185-900 nm / High Sensitivity, wide range solid state detector with linear read out 0.1-100%,
8 Lamp Automated 8 lamps or more turret with coded Hollow Cathode Lamps for elements Nickel, Chromium, Iron, Sodium, Potassium, Magnesium,
Lithium, Aluminium, Calcium, Zinc, Manganese, Cooper, Cobalt, Zirconium, Silver and Gadolinium (sixteen elements)
9 Background Correction Deuterium background correction
10 Burner system Automated setting of burner height for each element. Suitable burner for air acetylene and Nitrous Oxide acetylene flame.
11 Nebulizer System Adjustable nebulizer with inert platinum/Rhodium/iridium capillary. 12 Spray Chamber Spray chamber should be capable of handling acids, alkalis and organic
13 Gas Controls Should be programmable (gas management system) for fuel & oxidant gas.
14 Safety Functions Safety systems should provide indication for main power control, ensure correct operating fuel gas and oxidant pressure are maintained to check flow rate. Control on use of incorrect burner head /Multiple sensors monitoring burner head, siphon system and gas management system (GMS)Automatic ignition and shut down of flame, incl. in case of power outage or gas pressure drop Nebulizer-Burner system with quick-lock for easy replacement.
15 Burner Cleaning System The system should have auto burner cleaning facility OR Easy to operate burner cleaning/Manual cleaning system
16 Heating System Computer-controlled transversely Heated Graphite Furnace system 17 Function Graphite furnace temperature control must provide minimum 9 or more
temperature programme steps.
18 Temperature Programmable temperature up to 3000 °C in 1 °C increment. Maximum heating rate is 2000 °C/s under software control.
19 Gas Flow Graphite furnace design must have separate external and internal gas flows.
20 Cooling system The graphite furnace tube should be cooled efficiently by chiller. 21 Auto sampler for Graphite Solution dispensing minimum range from 1–50 micro liters.
Automatic preparation of at least five standards from a bulk standard for standard additions and normal calibrations
Injection Modes must include automatic dosing of modifiers
Sample tray must be Corrosion resistant & should have min. sample capacity to hold 80 positions or more.
22 Safety Functions Real-time furnace temperature control and continuous tracking of electronic parameters/ Warning will function when cooling water flow failure, gas pressure over, Furnace temperature to high Graphite tube broken.
The following In-built accessories should be supplied along with main instrument (AAS). These items should be compatible with main instrument
Item No
In-built accessories Quantity
1 Coded Hollow Cathode lamps for elements Nickel, Chromium, Iron, Sodium, Potassium, Magnesium, Lithium, Aluminium,
Calcium, Zinc, Manganese, Cooper, Cobalt, Zirconium, Silver and Gadolinium (sixteen elements)
1 No
The following accessories should be supplied along with main instrument (AAS). These items should be compatible with main instrument
Item
No Accessories Quantity
1 Exhaust Hood for AAS Made up of S.S.304, of length 10ft. & Blower motor of capacity approximately 2800RPM & 1/8 hp with all necessary fittings With additional flanges, angles etc.
1 No 2 Two Stage Cylinder Regulator Brass Chrome plated body
with S.S. Diaphragm for Argon Gas 2 Nos.
3 Two Stage Cylinder Regulator with S.S. Diaphragm for Acetylene 2 Nos. 4 Nitrous Oxide Gas Two stage Cylinder Regulator Brass Chrome
plated body with S.S. Diaphragm with Pre –heater 2 No 5 Hollow Cathode Lamp package Coded for Iron, Cooper, Nickel 1 No 6 Oil free Air Compressor with approximately 20 liters Storage tank, Safety
valve, Pressure Switch, Drain valve, Pressure gauge, Non-return valve, Needle valve, Solenoid valve etc. 230V AC, 50 Hz, 1 Phase
1 No 7 Graphite tube compatible with the above instrument (Pck of 10) 1 No 8 Air filters for moisture, dust, oil & mist removal 1 No 9 1/4" S.S. Tubing with Color Coded sleeves 250 ft
11 Gas Purification & Control Panel single stage for Acetylene,
N2O,Argon & Compressed Air Gas 1 No
12 Standard fittings like Nuts, Ferrules, Union, Couplings, clamps,
Hardware etc. 1 No
13
Cylinder with Argon Gas -7m³ Purity : 99.999%(minimum) 2 Nos. 14 Cylinder with Acetylene Gas in 41 L cylinder Purity : 99.6%
(minimum) 2 Nos.
15 Cylinder with Nitrous oxide Gas -7m³ Purity : 99.9% (minimum) 2 Nos. 16 Single element 1000 ppm NIST traceable calibration standard,
100ml for elements Nickel, Chromium, Ferrous, Sodium, Potassium, Magnesium, Lithium, Aluminium, Calcium, Zinc, Manganese, Cooper, Cobalt, Zirconium, Silver and Gadolinium (sixteen elements)
1 set
17 Consumables of Atomizer such as additional
-Seal rings for siphon and mixing chambers- 5 Nos - Seals rings for nebulizer- 5 Nos
- Impact bead- 2 Nos
- Pack of 5 pieces cleaning wires- 5 Nos - Pack of 50 pieces cleaning strips- 2 Nos - Mixing wing- 5 Nos
-Inlet tube- 2 Nos
1 set
18 Drain tubing for effluent aqueous solutions. 3 meter 19 25 KVA UPS with 30 mins backup working at 230v AC± 20% at 50 Hz. 1 No 20 PC compatible with above instrument having minimum features
a. Processor- 4thGenCore i5 Processor
b. Display - 54.61(or higher) cm Full HD IPS LED c. Operating System- windows 8.1/10 or latest
d. Graphics-DedicatedGraphicmemory-2GB Dedicated Graphic processor- NVIDIA GeForceGT820A
e. Storage – Hard disk drive - 1TB, System memory - 4GBDDR3 f. Laser jet Colour Printer compatible with above computer
1 No
22 Two number of Hard Copy of Operating Manual with Soft copy. As specified 23 Two number of Hard copy of Service manuals / maintenance
manual with Soft copy. As specified
Bidder’s Compliance
Sr.
No. Description Specification
To be filled (Yes/No)
Remarks (if any) 1 Monochromator Czerny-Turner type with one or more focal
length minimum at 330 mm. The Monochromator should provide a true double beam operation.
2 Wavelength range 185-900 nm (Minimum)
3 Grating Holographic grating with 1800 line/mm (Minimum)
4 Wavelength accuracy / Repeatability/
reproducibility
Wavelength accuracy ±0.3 nm (Maximum) / repeatability +0.035 nm (Maximum) / Wavelength reproducibility 0.005 nm.
5 Sensitivity (Cu) >0.9 Absorbance with precision of ≤ 0.5% RSD for 5 mg/L Copper standard/Flame: (Cu 324) 0.017 mg/L 1 %Abs using a 10 cm burner head.
Qualification criteria for bidders:
Sr. No. Description To be filled (Yes/No) Remarks (if any) 1 Bidder should be OEM or their authorized dealer. If bidder is authorized dealer
6 Slits Automated slit selection from0.1/ 0.2 nm to 1 nm (Minimum)
7 Detector High Sensitivity wide range Photo Multiplier tube covering 185-900 nm /
High Sensitivity, wide range solid state detector with linear read out 0.1-100%
8 Lamp Automated 8 lamps or more turret with coded Hollow Cathode Lamps for elements Nickel, Chromium, Iron, Sodium, Potassium, Magnesium, Lithium, Aluminium, Calcium, Zinc, Manganese, Cooper, Cobalt, Zirconium, Silver and Gadolinium (sixteen elements)
9 Background Correction Deuterium background correction
10 Burner system Automated setting of burner height for each element. Suitable burner for air acetylene and Nitrous Oxide acetylene flame.
11 Nebulizer System Adjustable nebulizer with inert platinum/Rhodium/iridium capillary.
12 Spray Chamber Spray chamber should be capable of handling acids, alkalis and organic solvents.
13 Gas Controls Should be programmable (gas management system) for fuel & oxidant gas.
14 Safety Functions Safety systems should provide indication for main power control, ensure correct operating fuel gas and oxidant pressure are maintained to check flow rate. Control on use of incorrect burner head /Multiple sensors monitoring burner head, siphon system and gas management system (GMS)Automatic ignition and shut down of flame, incl. in case of power outage or gas pressure drop Nebulizer-Burner system with quick-lock for easy replacement. 15 Burner Cleaning System The system should have auto burner cleaning
facility OR Easy to operate burner cleaning/Manual cleaning system
Graphite Furnace system
17 Function Graphite furnace temperature control must provide minimum 9 or more temperature programme steps.
18 Temperature Programmable temperature up to 3000 °C in 1 °C increment. Maximum heating rate is 2000 °C/s under software control.
19 Gas Flow Graphite furnace design must have separate external and internal gas flows.
20 Cooling system The graphite furnace tube should be cooled efficiently by chiller.
21 Auto sampler for Graphite
Solution dispensing minimum range from 1– 50 micro liters.
Automatic preparation of at least five standards from a bulk standard for standard additions and normal calibrations
Injection Modes must include automatic dosing of modifiers
Sample tray must be Corrosion resistant & should have min. sample capacity to hold 80 positions or more.
22 Safety Functions Real-time furnace temperature control and continuous tracking of electronic parameters/ Warning will function when cooling water flow failure, gas pressure over, Furnace temperature to high Graphite tube broken.
The following In-built accessories should be supplied along with main instrument (AAS). These items should be compatible with main instrument
Item No
In-built accessories Quantity To be filled (Yes/No)
Remarks (if any) 1 Coded Hollow Cathode Lamps for elements Nickel,
Chromium, Iron, Sodium, Potassium, Magnesium, Lithium, Aluminium, Calcium, Zinc, Manganese, Cooper, Cobalt, Zirconium, Silver and Gadolinium (sixteen elements)
1 No
The following accessories should be supplied along with main instrument (AAS). These items should be compatible with main instrument
Item No Accessories Quantity To be filled (Yes/No) Remarks (if any) 1 Exhaust Hood for AAS Made up of S.S.304, of length 10ft. & Blower
motor of capacity approximately 2800RPM & 1/8 hp with all necessary fittings With additional flanges, angles etc.
1 No 2 Two Stage Cylinder Regulator Brass Chrome plated body with S.S.
Diaphragm for Argon Gas. 2 Nos.
3 Two Stage Cylinder Regulator with S.S. Diaphragm for
Acetylene 2 Nos.
4 Nitrous Oxide Gas Two stage Cylinder Regulator Brass Chrome
plated body with S.S. Diaphragm with Pre –heater 2 No 5 Hollow Cathode Lamp package Coded for Iron, Cooper, Nickel 1 No 6 Oil free Air Compressor with approximately 20 liters Storage tank,
Safety valve, Pressure Switch, Drain valve, Pressure gauge, Non-return valve, Needle valve, Solenoid valve etc. 230V AC, 50 Hz, 1 Phase
1 No
7 Graphite tube compatible with the above instrument (Pack of
10) 1 No
Item No Accessories Quantity To be filled (Yes/No) Remarks (if any) 10 PVC Casing Capping for above tubing 250 ft
11 Gas Purification & Control Panel single stage for Acetylene,
N2O,Argon & Compressed Air Gas 1 No
12 Standard fittings like Nuts, Ferrules, Union, Couplings,
clamps, Hardware etc 1 No
13
Cylinder with Argon Gas -7m³ Purity : 99.999%(minimum) 2 Nos. 14 Cylinder with Acetylene Gas in 41 L cylinder Purity : 99.6%
(minimum) 2 Nos.
15 Cylinder with Nitrous oxide Gas -7m³ Purity : 99.9%
(minimum) 2 Nos.
16 Single element 1000 ppm NIST traceable calibration standard, 100ml for elements Nickel, Chromium, Iron, Sodium,
Potassium, Magnesium, Lithium, Aluminium, Calcium, Zinc, Manganese, Cooper, Cobalt, Zirconium, Silver and Gadolinium (sixteen elements)
1 set
17 Consumables of Atomizer such as additional
-Seal rings for siphon and mixing chambers- 5 Nos - Seals rings for nebulizer- 5 Nos
- Impact bead- 2 Nos
- Pack of 5 pieces cleaning wires- 5 Nos - Pack of 50 pieces cleaning strips- 2 Nos - Mixing wing- 5 Nos
-Inlet tube- 2 Nos
1 set
18 Drain tubing for effluent aqueous solutions. 3 meter 19 25 KVA UPS with 30 mins backup working at 230v AC± 20% at
50 Hz. 1 No
20 PC compatible with above instrument having minimum features
g. Processor- 4thGenCore i5 Processor
h. Display - 54.61(or higher) cm Full HD IPS LED
Item No Accessories Quantity To be filled (Yes/No) Remarks (if any) i. Operating System- windows 8.1/10 or latest
j. Graphics-DedicatedGraphicmemory-2GB Dedicated Graphic processor-
NVIDIA GeForceGT820A
k. Storage – Hard disk drive - 1TB, System memory - 4GBDDR3 l. Laser jet Colour Printer compatible with above computer
21 Suitable Tool Kit for AAS 1No
22 Two number of Hard Copy of Operating Manual with Soft copy. As specified 23 Two number of Hard copy of Service manuals / maintenance
manual with Soft copy.
As specified 24 The quotation must accompany detailed catalogue of offered
instrument. NA
25 Offer shall be complete in all respect and no partial/incomplete
offer is acceptable. NA
26 Supply, Installation, Commissioning, Functional Testing, Performance checking of Conductivity meter along with all accessories on site and operational and maintenance training for minimum 2 days at KAPP-3&4, Gujarat Site.
