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Genesis o f our Success Story Early in 1991, the vision of two instrumentation professionals, to offer the agricultural and biological researchers, products and solution totally indigenous in par with imported alternatives gave birth to PELICAN EQUIPMENTS.  It was a humble beginning with crude and raw technical ideas, a playful passing thought of two professionals to begin products for Protein, Fat and Fiber estimation to challenge the foreign principals.

INDIA had to lose lot of money on foreign exchange till 1991 in importing sophisticated N2 Analysers. In India, the pioneering efforts and the innovative vision of two instrumentation Chemist in the year 1991 July sowed the seed to the nation with their indigenization efforts introducing Import Substitute product of Automatic Kjeldhal Nitrogen protein Analyser in par with those of the alien ones manufactured abroad giving birth to KEL PLUS Automatic Nitrogen Analyzer from PELICAN EQUIPMENTS, CHENNAI. 

The simple ideas later bloomed into a serious think pad carrying us a step forward to venture with risk to make a maiden pioneering effort to manufacture Automatic Nitrogen Estimation System in India.

Today India has more than 1500 installations of automatic Nitrogen Analysers manufactured from the mother land. 



Professionalism has been the foundation of our success. It has been our way of thinking and life - Applying Scientific knowledge to our work.



Trust is something we earned over time, not through our words but through our actions - as a Trust Worthy & Customer Oriented Organization.



Our Motto: In Pursuit of Perfection - In all that we do”. Perfection is our Goal. Excellence can be tolerated.


Basic Information

Nature of BusinessExporter and Manufacturer
Additional BusinessTraderExporter
Company CEOS. Suseendran Samuel
Registered AddressNo. 38, 2nd Floor, Burkit Road, T. Nagar, Chennai- 600017, Tamil Nadu, India
Total Number of Employees51 to 100 People
Year of Establishment1990
Legal Status of FirmPartnership Firm
Annual TurnoverRs. 5 - 10 Crore


Location TypeSEMI-URBAN
Building InfrastructurePermanent
Size of Premises800 square feet
Space AroundFront porch

Company USP

Primary Competitive AdvantageExperienced R & D DepartmentLarge Production Capacity
Quality Measures / Testing FacilitiesYes

Statutory Profile

Import Export Code (IEC)04040*****

Packaging/Payment and Shipment Details

Customized PackagingNo
Payment ModeCheque
Shipment ModeBy AirBy Road
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Infrastructure & Manufacturing Facilities

Infrastructure & Manufacturing Facilities
Pelican Equipments Manufacturing plant facility.
- Located at Aynambakkam, Chennai, India.
- Manufacturing unit
- Labs, Research and Development
- Service, Storage and Dispatch.

Research & Development

Research & Development
Our Reasearch and Development Lab.

Our Strengths

Our Strengths


We would like to highlight that we have been permanently enlisted with National Small Industries Corporation (Government of India Organization) under single point registration scheme in par with DGS&D. Our NSIC Regn. No. NSIC (C) GP/17 (5336)/2003 dt 06.11.2003.

Infrastructure Facilities

Infrastructure Facilities
Equipment testing and monitoring workplace.

Trade Mark Registration

Trade Mark Registration
Our KEL PLUS, SOCS PLUS & FIBRA PLUS are Patented Brand Names approved by Trade Mark Registry under Trade Marks Act 1999 (Govt. of India) which stands as a documentary evidence of standard branded product of good quality.

Our Machinery

Our Machinery
Some of our Equipments and Products in Factory housing.




Nitrogen is a necessary component of all living things.  Amino acids are the building blocks of proteins.  When Amino acid was discovered it was found that each amino acid contained Nitrogen.

     Fertilizers which have Ammonia and Urea as key components are found to contain Nitrogen.  Nitrogen components like TNT, Nitrocellulose etc. are key compounds in Explosives. Heterocyclic Nitrogen Compounds are important in production of Plastic, Rubber and Paint.  The purity of water is evaluated in knowing the Nitrogen content of water.  Nitrogen has proved to be an excellent indicator.   For example the BTU potential of a sample of coal can be calculated based on the N2 content.

Manufacturing Facilities

Manufacturing Facilities
Manufacturing and Assembling Facility in the factory

Kjeldahl Nitrogen Method & Its History

Nitrogen determination has a long history in the area of analytical Chemistry.  Johan Kjeldahl first introduced Kjeldahl Nitrogen method in 1883 at meeting of the Danish Chemical Society.  As a Chairman of Chemistry department of the Carlsberg laboratorium near Copenhagen, Kjeldahl was assigned, to scientifically observe the processes involved in beer making.  While studying proteins during production he developed a method of determining Nitrogen content that was faster and more accurate than any method available at that time.

     An Italian Scientist by name Dumas developed a method in 1830 which dealt with the Pyrolytic distruction of sample with the Nitrogen being reduced to Nitrogen gas.  From the volume of Nitrogen gas produced the Nitrogen content of the sample is calculated.  But Dumas method was too slow and gave incomplete results too.  There are number of secondary methods for determination of protein or nitrogen.   But all have to be caliberated against a standard method and with no other option the standard method is Kjeldahl.


      The Kjeldhal method is a means of determining the Nitrogen content of organic and inorganic substances. Although the technique and apparatus have been altered considerably over the past 125 years, the basic principles introduced by John Kjeldhal endure even today. From 1889 onwards several Chemists have made improvements in the method. These include the use of metalic Catalyst which produced a faster and greater recovery of Nitrogen, addition of pottasium Sulphate which raised the digestion temperature and shortened the digestion time, etc.

Later another Scientist – a Scandinavian agricultural Chemist by name Rozen Mosseberg’s invented the block digestor for more economical, accurate, safe, efficient and speedy way of Analysis, based on Kjeldahl Chemistry.


     The Kjeldhal method may be broken down into three main steps.

DIGESTION:- The decomposition of Nitrogen in organic samples utilizing a concentrated Acid Solution.This is accomplished by boiling a homogenous sample in concentrated sulphuric acid and digestion catalyst.The end result is an ammonium Sulphate solution.

DISTILLATION:- Distillation involves adding base to the acid digestion mixture to convert NH4+ to NH3.This is followed by boiling.Finally NH3 gas is condensed and trapped in a receiving solution (H3BO3)

TITRATION:- Quantifying the amount of Ammonia ions in the receiving solution the percentage of Nitrogen can be calculated.

Production Facility

Production Facility
Our Production Facility @ Ayanambakkam where our products are manufactured and assembled

Sampling & Preparation:

Representative sample is essential if analytical data are to be meaningful.  The samples must be also homogeneous.  The necessity for consideration of homogeneity increases as sample size for analytical procedure decreases.  To assure homogeneity samples are usually dried and ground prior to analysis.  In case of liquid samples, samples are collected in new or acid washed glass polythene bottles.   They should be analysed as quickly as possible.   If immediate analysis is not possible samples can be preserved for Kjeldhal digestion by acidifying to PH 1.5 to 2.0 with concentrated sulphuric acid and storing at 4°C. For analysis of Nutrients in plant materials previous wet digestion of sample is recommended. Rapid changes in the nitrate and ammonia contents of soil samples occur after removal of the samples from field or pot, because of the increased aeration and rise in temperature.   It is, therefore, desirable that the extraction of nitrates and ammonium follow the collection of the samples closely.

Our Warehouse

Our Warehouse
Stock Keeping Unit, storage space and inventory.


Very early Kjeldhal digestion and distillation were performed using stone fume hoods and gas mantles as a heat source. In 1920’s this was replaced by classical Macro Kjeldhal digestion and distillation apparatus using Kjeldhal flask from 500-800ml volume.Latter variation in equipment made use of Aluminium heating blocks designed to accept number of straight digestion tubes at once simultaneously.  The latest advancement in block digestion techniques by Kjeldhal procedure gave birth to automatic Nitrogen and protein analyzer in the world market from countries like Sweden, Germany, Japan, etc which made pioneering efforts for automation.

The advance Microbrilliant automatic Nitrogen /Protein Analysis system is a Pollution free and Environmental friendly system.  The Hazardous acid fumes liberated during digestion are efficiently dissolved in water through giant aspiration filter pump and sent to the drain without polluting the atmosphere. The compact design of automatic  block digestion with built in exhaust fume manifold system avoids the use of large fume hoods or Cupboards, saving installation cost as well as space.  The instrumentation includes automatic Microprocessor based temperature controller with various built in safety features to enable a clean and a safe operation.The second stage of experiment feeds the digested sample in an automatic distillation system.The system can handle hot digestion tubes directly without the need of transferring the sample.This avoids manual spillage error during transfer, which would otherwise happen in a conventional traditional system.  The Distillation process is fully programmable with precise automation and the entire process of sample dilution, reagent addition, steam injection, Boric acid addition, residue removal, water refilling, goes unhindered with a single start operation and it takes not more than 3 to 6 minutes for the completion of distillation.The third stage of the equipment a titration phase is simple and easy to handle with conventional glass burette titration system by any user.  Alternatively the user may go in for a fully automatic distillation system with online integrated Auto Titration system with PC interface.

The methodology of analysis may vary slightly based on the sample behaviour. One may choose a 100ml microdigestion system for samples which are not violent in nature.
High Protein samples create high effervescence and frothing and hence require a Macro digestion system of 250ml capacity.  The Soil Samples have very low Nitrogen content and hence one needs at least 2 to 5gms of sample for analysis for which a Macrodigestion system is a must. A Technical expert or Chemist would recommend the appropriate use of catalyst, temperature of digestion, acid salt-ratio and so on. The only reliable method of determination of protein is through determination of Nitrogen by formula conversion i.e. 1mg nitrogen equals 6.25 mg protein.    In other words 100mg of protein contains 16mg Nitrogen.  Hence Nitrogen value multiplied by 6.25 factor gives percentage of protein.  Thus the only standard method of determination of protein is through Kjeldhal Nitrogen method.

Warehouse & Packaging

Warehouse & Packaging
Our Warehouse @ Ayanambakkam inside our manufacturing unit

Common Problems

Like any other method, the Kjeldhal procedure is subject to problems with methodology, technique and equipment.  Understanding the principles behind the Kjeldahl process and using appropriate quality control procedures should prevent most problems from occurring.  When developing a new or modifying an existing method, one should proceed which caution and experimental verification.

    When nitrogen results differ from those expected, knowledge of common problems makes finding and correcting the error easier. 

Common problems include the following:  Sample size and type, Incompatibility with amounts and types of acid, salt or catalyst Used Samples, standards and reagents.  Inadequate or excessive distillation, Dilution volume or aliquot volume; foaming or bumping during digestion, uneven digestion, Inadequate or excessive sample temperature, precipitation of salt or caking of digested sample, leaks in apparatus connections,  Inadequate sodium hydroxide addition, Improper standardisation Instrumental and calculation errors, etc.

Thanks to the invention of Kjeldahl technique by the great Danish Scientist, Johan Kjeldahl for estimation of Nitrogen, for, there is no doubt since 1883 till now there has been no other technique to supersede Kjeldahl Chemistry inspite of several advancement in Science and Technology

Product Packaging

Product Packaging
Place and location where the equipments are packed and kept ready for despatch

Chemistry Of Socs Plus

Oils and Fats are the triglycerides of fatty acids in which one molecule of glycerol has combined with three molecules of long chain fatty acids with the Elimination of water.  In addition to triglycerides, the oils and fats may contain a total of 2% free fatty acids, and sterols, phospholipids coloring material and hydrocarbons.

An oil is a liquid at the ordinary temperature whereas a fat is usually a solid.

Extraction is a physical separation method used when the substance to be extracted is soluble in a solvent.  The more soluble the substance the faster the extraction process.

There are two methods of separation.


Chemical separation results after a chemical separation.  Precipitation is an example of a chemical separation.  Physical separation results from the use of mechanical methods.  Extraction and volatilization are examples of physical separation.

Solvent Extraction is a physical separation using a separating funnel.  The liquid extraction method used water and non-miscible organic solvent.  The substance to the extracted (Solute) on use have a greater affinity for the organic solvent than the water.

This is expressed as the distribution coefficient K where
K =  CS/CW       
CS - Solubility of the Solute in Solvent.
CW - Solubility in Water.

K must have a high numeric value for an efficient extraction to be completed.

In 1879 German Chemist, Franz Von Soxhlet developed the technology for the first time.  The condensed solvent is continually contacting the sample, the solutes affinity for the solvent will continue until the extraction is complete.

The solvent flask  now contains solvent as soluble.  In gravimetric analysis the solvent is driven off. The solute must be removed and weighed for analytical measurement.

Infrastructure & Team

Infrastructure & Team
Our Factory team

Introduction & Profiles Our Customer Introduction & Profiles Genesis of our Success Story Early

Chemistry Of Crude Fibre

Crude fibre refers to the residue of a feed that is insoluble after successive,boiling with dilute acid and alkali. This method was originally proposed at the weende experiment station. Hence this method on determination of crude fibre is known as Weende s method of determination of crude fibre.

Crude fibre is the portion of the total carbohydrate of a food that is resistant to the acid and alkali treatment.

The Weende scheme of proximate analysis  is to separate the total carbohydrate into two categories viz. crude fibre and Nitrogen free extractives. Nitrogen free extractives represents the soluble sugar starches,glycogen,some fraction of hemicellulose and of course other water soluble components like water soluble vitamins etc.

As per Weende method, crude fibre is the fraction of carbohydrate that remains after treatment with acid and alkali.

Effect of acid and alkali treatment on a fat free food





1.25% H2 SO 4

1.25 % NaOH


Partial extraction

Complete extraction

Starches and sugars

Hydrolysis and extraction



variable extraction

Extensive but variable extraction


variable extraction

Extensive but variable extraction

Lignin extraction


Extensive but highly

But this method any insoluble material after the acid and alkali digestion will be made up of (1)all original cellulose (2) variable proportion of hemicellulose (3) a small but highly variable portion of lignin.

Crude fiber

In the Weendes method when the sample is subjected to acid and alkali digestion, we obtain a residue comprising ash (mineral matter) of the feed and the resistant fraction of carbohydrate. When the residue is ignited the organic matter gets oxidized leaving the inorganic residue or ash. Thus the difference in weight of the residue before and after ashing gives the weight of crude fiber.
Weight of the sample                                             - W gm
Residue (crude fiber + mineral matter)              - WI gm
Ashing at 600 c Organic matter Oxidised
Ash remains                                                             - W2 gm
Crude fiber                                                               = W1-W2.
% of crude fibre                                                        = W1-W2/ W   X  100

Our Products

Our Products

Kelplus -Nitrogen/Protein estimation system

Socsplus - Fat estimation system

Fibraplus - Fibre estimation system

Our Motto

“ In Pursuit of Perfection” - In all that we do.