Technical Specification for Gradient High Performance Thin Layer Chromatography (HPTLC) system
1. |
Automatic TLC Sampler |
Fully automatic sample application, suitable for routine |
Application of sample as spots, bands or rectangles |
Application of sample solutions onto any planner medium |
Application of sample volume - 0.1 to 5 microlitre by contact transfer |
Application of sample volume - 0.5 to >50 microlitre by spray on technique |
Facility for sequential application of the sample from different vials into the same position |
Data input and processing through soft ware -PC controlled |
All consumables/spares of Automatic TLC Sampler for smooth running the system for 5 years should be provided separately |
2. |
Development chamber |
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All glass, small internal volume chambers, bottom divided into two parts, maximum 5-15 ml mobile phase with all ss lid. Chamber sizes- 20 x 20cm (4 nos), 20x10cm (1 no), 10 x 10 cm (2 nos) for plates |
Horizontal developing chamber for 20 x 10 cm and 10 x 10 cm plates |
3. |
Gradient Automatic multiple development chamber |
Software controlled gradient elution system |
Minimum five or more solvent system should accommodate simultaneously for elution in gradient mode |
Gradient and developing distance for each run should be monitored through software |
Resolution for gradient elution system should be as peak width 1 mm. |
Data input and processing through soft ware -PC controlled |
All consumables/spares of Gradient Automatic multiple development chamber for smooth running the system for 5 years should be provided separately |
4. |
Chromatography visualization/ derivatisation system |
UV cabinet with duel wave length 254 nm and 366 nm,( 4nos) |
Visible light protection for viewers eye, skin with good illumination. Auto switch off after 10 min. |
Dipping chamber for post chromatography derivatisation and uniform derivatisation for quantitation. |
5. |
Photodocumentation system |
High resolution 12 bit CCD camera and system software controlled. |
Auto image optimization |
Digital image evaluation |
Proper storage of the image and analysis of the image with printable format in colour laserjet printer |
6. |
Densitometric Evaluation of Thin Layer Chromatograms |
| Software controlled Densitometric Evaluation of Thin Layer Chromatograms system |
| Should accommodate HPTLC plate or electrophoresis gel |
Measurement modes - reflection, absorbance, fluorescence, transmission |
Automatic selection of measurement modes |
Object formats upto 200 x 200 mm |
Spectral range 190 to 800 nm |
Automatic start of all lamps like deuterium, halogen-tungsten, high pressure mercury lamp |
Data step resolution- minimum 25 m m |
Scanning speed 1-100 mm/s |
Spectrum recording up to 100 nm/s |
All consumables/spares of Densitometric scanner for smooth running the system for 5 years should be provided separately |
7. |
Data evaluation of Densitometer system |
Software should controlled the scanner and processes data as- |
Built in self diagonostic |
Easy graphic , automatic recording of spectra, multiple wavelength scan, colour plots of data |
Automatic video integration, auto baseline correction, spot check facility, 3D display with data storage |
Quantitative evaluation - Calibration- single level, multilevel with linear or non-linear regression using internal or external standards. Statistical evaluation of the data |
Sub-component evaluation, impurities calculation as per US or European pharmacopoeias |
Track optimization |
Spectrum library creation, library spectra search |
Lamp life evaluation |
Validation qualification, GLP or GMP compliance |
Software should be latest version and future upgradable free of cost. |
8.
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Digital thermometer TLC/HPTLC Plate Heater |
Temp range 25-200 0C |
9. |
Automatic TLC Sprayer |
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Pheumatic cordless, using rechargeable batteries, spray heads, bottles of 50 ml attachable - two nos. |
Glass reagent sprayer with spray head and 100 ml flask - four nos. |
10. |
TLC Spray cabinet –Two numbres |
Complete with PVC made, with blower, and exhaust house |
11. |
Consumables Pre-coated HPTLC (MERCK) plates |
HPTLC plates silica gel 60 F 254 , 200 m m, 10 x 10 cm, 25 per pack- 3 packs |
HPTLC plates silica gel 60 F 254 , 200 m m, 20 x 10 cm, 50 per pack- 5 packs |
HPTLC aluminium sheets silica gel 60 F 254 , 200 m m, 20 x 20 cm, 25 per pack- 3 packs |
TLC plates silica gel 60 F 254 , 250 m m, 20 x 20 cm, 25 per pack- 5 packs |
HPTLC plates silica gel 60 F 254 , 250 m m, 5 x 5 cm, 25 per pack- 3 packs |
12 |
Require data station (PC) Latest version, colour laser printer, TFT Monitor 17’’ should be supplied [ Dell / IBM make and supply by HPTLC manufacturer. |
13. |
TLC Plate box- Two |
14. |
Test dye Mixtures for functional checks |
15. |
2 years warranty of the full system should be provided |
16. |
ISO 9001/GLP/GMP/CE/CFR compliance |
17. |
All specification should be supported by printer literature of the manufacturer only |
18. |
Two scientist should be trained in analysis of the crime exhibits |
19. |
AMC charges should be mentioned for al least three years after warranty period. |