Gas Chromatography System (E-Procurement)

Gas Chromatography System (E-Procurement)

Gas Chromatography System : Specifications & other Accessories, Consumables

1)Main GC System Specifications(Nominal)

Make : Shimadzu/Agilent/ Perkin-Elmer /ThermoScientific

(i) Columns Oven: Size (Inner): Approx. 15 – 20lits

TemperatureRange: Ambient +10ºC to 400/ 500ºC

Temperature Accuracy: Set value1 %(max)

Temperature Programming: Rates 5 – 30ºC /min

Temperature Programming ramps: Steps upto 10(min)

Cooling Time: Max. 6 – 8 minutes from 300 to 50ºC

High-Temp Protection for Oven Hazard Control

Columns Accommodation: Capillary/Packed, minimum 2 nos

(ii) SampleInjectionPorts/Units : Number of Ports: Minimum 2 nos.

TemperatureRange: upto 350 - 450ºC

Heating rates: 1ºC steps

Inner (inside oven) Fittings: Adaptors Suitable for

connecting bath capillary & packed type Columns

Sample Injector Configuration: Suitable for packed,

capillary columns andSplit / Splitless type.

Suitability to connect to liquid Auto Sampler, Gases

sampling Units& Pyrolyzer.

(iii) Detectors: Minimum 2 nos (FID & TCD) and there must be provision

to add 3rd Detector (ECD)

TemperatureRange: Max. 350 – 450ºC

Temperature Setting: 1ºC step

Minimum Detection:- For FID : < 3pg C/s (decanes)

For TCD :< 500 pg/ml (decanes)

For ECD : < 0.2 pg/S (-BHC/Lindane/PCE)

DynamicRange:- For FID : 105 & above

For TCD :104& above

For ECD :103 & above

(iv) Gasses (Carrier/ Air / Hydrogen)Flow Units/Controllers:

No. of Channels: Minimum 5

Flow Rate setting range: 5 – 1000 ml/min (Variable, depending on

column/injection type)

Pressure setting range: 2 – 600kpa (nominal)

Programmable steps: min 5 Nos.

Controlling: Electronic Pneumatic/Pressure Control system, etc

(v) Operation & Display :- Through in-built User Interface Touch Screen (or) Key pad &

LCD/LED having features for programming & visualization.

(iv) System Control, Data Aquisition storage processing:-

a) Methods/Commands/Data Communication between Computer, main GC Unit & other auxiliaries like Auto Sampler/Gasses Control Units etc.:

Through LAN/USB/Suitable Ports & Cables.

b) Software package with all advanced features like GC control, methods programming, Gases flow/pressure set & control, Oven/Detectors data acquisition, analysis, processing & Custom reports generation, data base management etc.

c) Suitable reputed make Branded Computer, 21” or higher size display monitor, window OS, MS Office, other utility software and Colour laser Printer.

2) Auto (Liquid) Sampler Specifications (Nominal)

No. of Samples & wash/waste turret: 6 – 18 positions

Vial Size: 2 – 5ml capacity

Syringe size: 5/ 10 µl

Injection/Sampling Volume: 0.5 to 10 µl(variable, depends on syringe size)

Injection Speed: 2 or 3 modes (slow/fast/normal)

Reproducibility: < 1 % RSD (for peak Area)

3)Hydrogen gas Generator Specifications (Nominal)

Make : Shimadzu/Agilent/Perkin-Elmer/ThermoScientific/PeakScientific/Parker

Working Principle:SPE (Solid Polymer Electrolyte) Water Electrolysis

Generated gas purity: > 99.99%H2 (for FID only, not as carrier gas)

Generated gas flow Rate: 220 – 240 ml/min (nominal)

Generated gas Pressure: 0.2 – 4 ksc (adjustable)

Water tank capacity: 1.5 – 2.5 lit

Power supply: 110/220V A/C; 50 Hz

Failure Indications: Low water level & High pressure of gas.

The total Equipment should also include all the necessary tubing, connecting fittings, ferrules, nuts; gas sampling valves & loops; other Consumables like injection port - PTFE/Silicone Septa packs, Test mixes & relevant columns for detectors evaluation; Auto Sampler Vials spare Syringes (2 nos) and routine maintenance tool kit.

Important Notes to Parties (while submitting offer) :-

  1. Quotation should be given for the above mentioned specificationsmeeting Model of the Instrument. In addition, party can also submit separate quote for any other higher version models.
  1. For all the major equipments, the essential routine maintenance consumables & any other probable replacement spares list along with their cost also to be submitted.
  1. Along with Quotation, party has to provide Specification (for the above points & any other additional) & Commercial terms meeting (compliance statement) sheets, while attaching the detailed Technical Brochure / Pamphlet of all the Quoted Items.
  1. Supplier / Party has to install & demonstrate the system performance at SDSC-SHAR either with/without out any extra charges by properly mentioning in the offer.
  1. For main equipment, Warranty has to be provided for minimum 1 (one) year from the date of Installation.
  1. Indian agent has to provide Spares supply & Services (against mutually agreed AMC) for atleast 10 years after warranty period. Also, party can offer for any extended warranty period or Annual Maintenance/Service Contract (2 regular & 1 breakdown visits) for further 3 – 5 years period with relevant separate mention (including amount per every visit) in the quotation itself.
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