Great Scientific Supplies Private Limited

Chemito gas chromatographs GC Ceres 800 plus and GC 1000 are available in a number of customised configurations to suit specific analytical needs relating to the petroleum and petrochemical industry. These solutions combine technology with expertise and knowledge required for specialised configuration ensuring a solution that is geared to meet need of the demanding industry. Having pioneered the concept of specialised configurations in India, the Chemito gas chromatography systems are compliant to various methodologies such as ASTM, CARB, CGSB, DIN, EPA, GPA, UOP, etc. A large installed base of such systems in the petroleum industry in India and abroad is an endorsement to the capabilities harboured by the company.

The long line of innovations in the Spectrascan Series of Spectrophotometers continues with the UV 2100. Available in a stand-alone and computer controlled environment, the UV 2100 offers affordable access to advanced technologies.

The instrument offers high resolution over the entire wavelength range of 190 nm to 1100 nm. The UV 2100 combines the high-energy throughput of single beam optics with double beam capabilities by means of the ERS (Electronic Reference Storage). The menu driven operation, multiple scanning speeds, programmable 5 position cuvette turret, 2 nm bandwidth and a 20x4 backlit LCD are features that have made the UV 2100 a widely accepted spectrophotometer in its line. Stringent specifications ensure total pharmacopoeial compliance. The 5-position cuvette turret can be programmed through the control panel for analysis of up to 4 samples in the same run, a facility that is extremely convenient and time saving.

The UV 2300 is a Split Beam Scanning UV-Vis Spectrophotometer with functionalities and capabilities that are normally not offered with a conventional single beam spectrophotometer.

The instrument has a wavelength range of 190-1100 nm and comes with a programmable 5-turret sample compartment. The 240 X 128 backlit graphic LCD along with the soft-touch keyboard offer a versatile and friendly interface for operations.

For enhanced data management capabilities, the UV 2300, can be used in conjunction with the SpectrumTM - WindowsTM based 32-bit software.

An intelligent library by way of Soft Banks - DataBank, InfoBank and MethodBank simplify routine operations and are a part of the Spectrum software. The diversity and features of these banks establish a new platform for systematic, convenient and correct analysis.

The UV 2600 Double Beam UV-Vis Scanning Spectrophotometer simplyfies operations with the inbuilt library - DataBank, InfoBank and Method Bank. The diversity and features of these banks establish a new platform for systematic, convenient and correct analysis.

The UV 2700 Pharmalyser is a Double Beam UV-Vis Scanning Spectrophotometer specifically for the pharmaceutical industry, with compliance to optical specifications as recommended by regulatory authorities.

The advanced optical system used, has a wavelength range of 190-1100 nm and a spectral bandwidth of 1.0 nm. This is integrated with the Ultra-Thin-Beam (UTB) technology to ensure convenient adaptability and reliable measurement of microsamples.

GC 7610 can be used with a split / splitless capillary, wide bore or packed injection systems. The microprocessor technology incorporates features such as method linking, method storage, method locks, time events, power-on and online diagnostic checks as standard. This technology ensures a high standard of accuracy and reliability into the instrument, a requirement that is essential for a gas chromatograph, especially an instrument used for capillary chromatography.

Our support includes assistance in application and method development, free customer training programs and a network of customer support centers to provide prompt and efficient after sales service as well as to ensure the ready availability of spares. Our

The overwhelming acceptability of the GC 8610, manufactured by Great Scientific, is testimonial to the technology and quality of this instrument. The GC provides features and benefits at an affordable cost and is tailored to meet the varying needs of any laboratory.

The GC 8610 has been designed with the analyst in mind in terms of system expandability. This GC provides the required flexibility for critical applications and method development. The advantages of fused capillary columns along with the variable split / splitless inlet can be combined with packed and wide-bore capillary inlets to offer a true multidimensional gas chromatograph.

Built-in 6V20W halogen light illuminator. 45 degree. Inclined binocular observation tube rotatable through 360 degree fitted with fungus resistant, anti-reflection coated prism. Focusing by co-axial coarse and fine focusing controls. Anti-fungus achromatic objectives 4x, 10x, 40x (spring) and 100x (spring, oil immersion). One Pair eye piece 10x WF

The AA 201 is an intelligent atomic absorption spectrophotometer that guides a user through the analysis with its comprehensive Elemental Method Library.

The instrument is a fine balance of automation and price and comes in two models, AA 201 – stand alone system and AA 201 PC - PC controlled system. The AA 201 PC comes with the WindowsTM based AASpect Software for data acquisition and system control.

Built in co-axial ball bearing mounted graduated mechanical stage size 115 mm x 125 mm, with low position co-axial controls. Widefield eyepiece WF 10x and H5 or H15x (2 numbers). 10x, 45x & 100x Oil immersion. 10x & 45x spring mount. 50 mm plano concave mirror for working in daylight

Built-in 6V20W halogen light illuminator. 45 degree Inclined monocular observation tube rotatable through 360 degree fitted with fungus resistant, anti-reflection coated prism. Focusing by co-axial coarse and fine focusing controls. Widefield eyepieces WF10x. Anti-fungus achromatic objectives 4x, 10x, 40x (spring) and 100x (spring, oil immersion).

AA 203 is a result of our sustained commitment to technical excellence and our experience in the field of spectroscopy for over 35 years. This experience and the adaptability to the changing needs of the analytical chemist has been the Company’s virtue. Great Scientific’s continuous thrust has been to improve it’s product, design, quality and support for its AAS.

The analyser is configured for the determination of benzene and toluene in finished motor and aviation gasoline.Benzene being classed as a toxic material, knowledge of its concentration is an aid in evaluating the possible health hazard that people handling and using gasoline are exposed to. The analyser can be used to determine benzene between concentration levels of 0.1 and 5 volume % and determination of toluene between levels of 0.5 and 20 volume %. The full analysis is completed within 8 minutes.

The analyser is configured for continuous monitoring of benzene, toluene, ethylbenzene and xylene isomers. Alongwith a photo lonization Detector (PID), this instrument can be configured for unattended operation and does not required a cryogenic attachment. A complete analytical cycle takes approximately 15 minutes in the isothermal condition.

The Dissolved Gas Analyser (DGA) helps in the analysis of gases dissolved in insulating oil, so as to give the earliest possible detection of an incipient fault, thereby averting a possible accident. In this method, a sample of oil is taken and the dissolved gases are extracted using a gas extraction apparatus. The extracted gases are then separated, identified and quantitatively determined. The technique helps detect gases in ppm levels.

This system is designed to carry out the analysis of a mixture of H₂, O₂, N₂, CO, CO₂ and CH₄ in a single run. A specially designed TCD holds a column between two filaments, thereby ensuring a good separation in single run. H₂ is quantified by the difference method.

This analyser is configured to perform online analysis of green oil in polypropylene. Using a backflush valve, the entire analysis is completed within 20 minutes.

The LPG analyser is used for the analysis of C₁-C₅. The system calculates the liquid volume, specific gravity and vapour pressure. An LPG sampling system is also available.

Configured for analysis of C₁ to C₄ alcohols, MTBE (methy-t-butyl-ether), TAME (t-amyl-methyl-ether), MEK (methy-ethy-ketone) and benzene in gasoline completely automated and unattended. The configuration includes a capillary gas chromatograph with a FID, a set of switching valves, multiple capillary columns and an accessory kit.

Natural gas processing involves considerable quality contaol to maintain product quality with optimum economy. The Natural Gas Analyser (NGA) is configured for the complete analysis of natural gas in a single run, without the inconvenience of switching or changing columns. The system is also capable of separating a number of other components commonly found in natural gas, including hydrogen sulphide, hydrogen and carbon monoxide.

This system comprises of a Sampling station, sample conditioning unit, analyser unit, control unit, data processing and recording system with a provision of transmission of results from the laboratory to the office. The output of the system can be used for process control via the DCS.

The analysis of Petroleum streams with boiling points up to 210^oC is extremely essential for monitoring refinery operations, product specifications and development of petroleum related processes. The PIONA / PONA analyser with a special column can be used for rapid analysis of Paraffins, Iso-paraffins, Olefins, Napthenes and Aromatics (PIONA /PONA), in a single run.

The Hydrocarbon Expert Software, supplied with the analyser, performs all types of calculations, component identification, peak grouping, boiling point distribution etc. The flexible reporting includes: summary report by groups and carbon numbers, composition by carbon numbers, boiling point table, octane number (research and motor), co-relation table (boiling point distribution as per D-86), compound list, compound by group etc

The Refinery Gas Analyser (RGA) provides a complete solution system for refineries, research-and-development, plant laboratories, as well as other allied oil and gas industries.

The RGA performs complicated separations of light hydrocarbons and permanent gases from refinery gas in single injection (C₆1 to C₅ saturates and unsaturates with the initials backflush of C₆+). Excellent separation of C₃ and C₄ unsaturates and near baseline separation of iso-butylene and i-butene indicates the quality of the analyser.

The RGA is capable of performing and exceeding the most demanding requirement of a laboratory. This system meets the specifications of the UOP 539. Besides the use for refinery gas analysis, this configuration can also be used for a range of other related applications, thereby deriving total value. For added operational convenience and elimination of air supply, an optional configuration with electrically actuated valves is also available.

Certain complicatd petroleum analysis warrant the use of a dual oven system, to facilitate the use of variant analytical conditions during a run. The system is available with a TCD, FID or FPD.

The Simulated Distillation Analyser (SDA) is used to simulate distillation of hydrocarbons with Final Boiling Point (FBP) of 550⁰C. Designed for ASTM Methods D2887 and D3710, this analyser can also be offered for FBP of 750⁰C.

The system comes along with the powerful SimDis Expert software. All simulated distillations are supported in one application. The ASTM and non- ASTM methods available are D-2887, D-3710, D-5307, LUBE and Crude by external standard. The additional calculations include: user defined cut-points, adjustable D86 and D1160 co-relation, calibration and SIMDIS plots, RPV and LV ratios, cut-point tables, boiling point distribution, motor oil volatility, recovery, besides baseline and sample chromatogram validation parameters. User and access level security, consolidated single or batch processing mode and quality control checks are few of its other features