Basic Info

Vignesh Jayaprakash

12 years

Tuticorin, India

Master's Degree

Experienced

Work Experience

Senior Chemist/QA lab Incharge at Chemaf SARL

Experience Details

Senior Chemist/QA lab Incharge

Quality

Experienced (Non-Manager)

Key Result Areas:
• Managing and monitoring Safe lab operation
• Providing technical leadership to lab chemists
• Co-ordinating analytical support to Company
• Analyzed raw materials extracted from mines & provided by vendors with the help of Instrumental and Wet Chemical Assessment Methods
• Created & executed specific analytical methods and procedures for Wet Chemical Analysis
• Created standard solutions for instruments like ICP, AAS, UV Spectrometer, Autotitrator, Nephelo Turbidity Meter, etc.
• Prepared Standard Reference Samples for instruments including XRF, OES, etc.
• Developed Primary Chemical Standards and Reagents for Wet Chemical Analysis
• Maintained ISO Records, Generated SOPs for new analysis and examined Geological Exploration Samples by ICP

Highlights:
• Successfully provided training to Local African Chemists in various activities
• Dexterously supervised the entire functions of Ore Purchase Laboratory at a Mining Depot located at Likasi, Republic of Congo
• Efficiently developed a new Instrumental Analysis Method for Copper in process samples by UV spectrophotometer which saved the cost and time
• WIP sample collection, analysis and reporting to corresponding department in time.
• AAS analysis of Au,Ag by DIBK leaching process.


Company Details

Chemaf SARL (multinational)

Lubumbashi, Congo

More than 1000 employees

Manufacturing, Mining and Metals

N/A

May 2014 to present (2 years 7 months)
Assistant manager QA lab at Earthstone resources Indonesia limited

Experience Details

Assistant manager QA lab

Quality

Manager

Key Result Areas:
• Setting up chemical laboratories at various sites (mines) in Nigeria and in other locations like Indonesia
• Ensuring that all the processes are in accordance with SOP
• Handling Wet Chemical Analysis of Fe, Mn, MnO2, SiO2, CaO, P, S, Al2O3 etc.
• Handling instrumental analysis traces Cr, V, Ti, K, Na, Mg, Mo, Nb etc.
• Preparing and presenting various reports to the top management on a regular basis
• Managing laboratory budgets with special focus on daily expenses
• Developing assay certificates and calculating assay gains & losses with the third party analysis
• Providing training to new joinees
• Creating standards for various instrumental analysis procedures like XRF, AAS, etc.
• Administering entire gamut of activities regarding Manpower Management
• Heading a team of 18 people

Highlights:
• Successfully played the role of Lab In-charge in few instances of Lab Manager’s absence
• Independently set-up a Chemical Analysis Laboratory for Fe Ore in Kaduna, Nigeria in 2012.
• Entrusted with responsibility of managing a new project in Indonesia
• Dexterously maintained stock inventory of Consumable Chemicals and Glasswares
• Efficiently submitted reports like Cost of Production, Cost per analysis and earned appreciation of the management regarding the same
• Deftly ensured safety at various sites and labs by taking appropriate precautions regarding the same


Company Details

Earthstone resources Indonesia limited (multinational)

Jakarta, Indonesia

101-500 employees

Mining and Metals

N/A

Jul 2012 to Apr 2014 (1 year 9 months)
Senior Chemist at Chemaf SARL

Experience Details

Senior Chemist

Quality

Experienced (Non-Manager)

Highlights:
• Essayed a key role in:
o Preparing standard solutions for instruments like ICP, AAS, UV Spectrometer, Autotitrator & Nephelo Turbidity Meter
o Developing reference samples for instruments like XRF & OES and primary chemical standards & reagents
o Ensuring calibration of all analytical instruments and maintenance of ISO records
• Holds the distinction of:
o Developing SOPs for new analysis and an Instrumental Analysis Method
o Creating and developing new analytical methods in instruments and implementing as per plant requirements
o Conducting training sessions for Local African Chemists
o Administering ORE Purchase Lab at Mining Depot in Likasi (DR Congo)
o Evaluating geological exploration samples by ICP


Company Details

Chemaf SARL (multinational)

Lubumbashi, Congo

More then 1000 employees

Manufacturing, Mining and Metals

N/A

Jul 2009 to Jun 2012 (2 years 11 months)
Senior Chemist at Sterlite Industries India limited

Experience Details

Senior Chemist

Quality, Analyst/Research

Experienced (Non-Manager)

Key Result Areas:
• Assisted in Analysis of Raw Materials, Process, Special Samples &Final; Products and other R&D works
• Offered reliable materials analysis in the specified timeframes
• Supported in ISO17025 (NABL) Accreditation for particular analysis assignments
• Introduced several new methods of analytical procedures as per requirements of the plant

Highlights:
• Played a major role as a Shift In-Charge, analysed various process samples and guided the juniors regarding the same
• Successfully trained various individuals especially 10 Chemists from Zambia on various scenarios like Shift Activities, Safety Aspects, Cost Reduction, Method Developments, Instruments Calibration, etc. at Tuticorin in the year 2007-2008
• Holds the distinction of sustaining the best 5S practices to maintain good housekeeping
• Significantly contributed in making the TQM project a success that reduced the slag conductivity by doing various experiments like sieving, getting different sizes and washing it with various water
• Received Best Shift In-Charge Award in 2008 by discretion of the senior management for analysis, sampling and providing innovative idea for different processes


Company Details

Sterlite Industries India limited (multinational)

Tuticorin, India

More than 1000 employees

Manufacturing, Mining and Metals

N/A

Nov 2004 to Jul 2009 (4 years 8 months)

Achievements


• Successfully provided training to Local African Chemists in various activities
• Dexterously supervised the entire functions of Ore Purchase Laboratory at a Mining Depot located at Likasi, Republic of Congo
• Efficiently developed a new Instrumental Analysis Method for Copper in process samples by UV spectrophotometer which saved the cost and time
• WIP sample collection, analysis and reporting to corresponding department in time.
• AAS analysis of Au,Ag by DIBK leaching process.



• Successfully played the role of Lab In-charge in few instances of Lab Manager’s absence
• Independently set-up a Chemical Analysis Laboratory for Fe Ore in Kaduna, Nigeria in 2012.
• Entrusted with responsibility of managing a new project in Indonesia
• Dexterously maintained stock inventory of Consumable Chemicals and Glasswares
• Efficiently submitted reports like Cost of Production, Cost per analysis and earned appreciation of the management regarding the same
• Deftly ensured safety at various sites and labs by taking appropriate precautions regarding the same



o Developing SOPs for new analysis and an Instrumental Analysis Method
o Creating and developing new analytical methods in instruments and implementing as per plant requirements
o Conducting training sessions for Local African Chemists
o Administering ORE Purchase Lab at Mining Depot in Likasi (DR Congo)
o Evaluating geological exploration samples by ICP



• Played a major role as a Shift In-Charge, analysed various process samples and guided the juniors regarding the same • Successfully trained various individuals especially 10 Chemists from Zambia on various scenarios like Shift Activities, Safety Aspects, Cost Reduction, Method Developments, Instruments Calibration, etc. at Tuticorin in the year 2007-2008 • Holds the distinction of sustaining the best 5S practices to maintain good housekeeping • Significantly contributed in making the TQM project a success that reduced the slag conductivity by doing various experiments like sieving, getting different sizes and washing it with various water • Received Best Shift In-Charge Award in 2008 by discretion of the senior management for analysis, sampling and providing innovative idea for different processes

Education

M.Sc in Chemistry

Education Details

M.Sc

Chemistry

Manonmaniam Sundaranar University, India

C / Good / 65 - 75%

Organic chemistry General Chemistry Physical chemistry Inorganic chemistry Environmental chemistry

• M.Sc. (Chemistry) from Manonmanium Sundaranar University with 67.12%: 2008

Manonmaniam Sundaranar University
2006 - 2008
B.Sc in Chemistry

Education Details

B.Sc

Chemistry

Manonmaniam Sundaranar University, India

B / Very Good / 75 - 85%

General chemistry Organic chemistry Inorganic chemistry Physical chemistry Polymer chemistry Bio chemistry Environmental chemistry Instrumental chemistry Maths Physics

• B.Sc. (Chemistry) from Kamaraj College of Arts & Science, Tuticorin, Manonmanium Sundaranar University with 81.15%: 2004

Manonmaniam Sundaranar University
2001 - 2004
High School - Other

High School Details

Other

Findlay Higher Secondary School

India

2001

A / Excellent / 85 -100%

N/A

Findlay Higher Secondary School
2001

Training and Courses

Training/Course Details

Principles & Applications of Instrumental Methods of Analysis

Oct 2007

Central Electrochemical Research Institute (CECRI),

o Principles and Applications of Instrumental Methods of Analysis & Safety from Central Electrochemical Research Institute (CECRI), Karaikudi in the year 2007

Training/Course Details

In house awareness training course on Managing Plant Safety

Jun 2009

Bureau Veritas

o In house awareness training course on Managing plant Safety by Bureau Veritas at Sterlite Industries India Limited, Tuticorin in 2009

This profile is fresh!
Last update 29 days ago.

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Profile Skills and Keywords

5SAnalyticalAnalytical Instruments Calibration And Trouble ShootingAssistant Manager QA LabChemaf SARLChemistryEarthstone Resources Indonesia LimitedEnglishHard WorkerISO 17025In House Awareness Training Course On Managing Plant SafetyInstrumental Analytical AnalysisLeaderMIS Reporting And BudgetingMS OfficeManufacturingMining And MetalsPlannerPrinciples & Applications Of Instrumental Methods Of AnalysisQuality AssuranceQuality ControlResearchSenior ChemistSenior Chemist/QA Lab InchargeSetting Up Chemical LaboratoriesSterlite Industries India LimitedTamilTeam PlayerWet Chemical Analysis

Self-assesed Skills

Languages

Tamil

Tamil

: Fluent

: Fluent

: Fluent

: Fluent

English

English

: Fluent

: Fluent

: Fluent

: Fluent

Tools and Technologies

Wet chemical analysis

Wet chemical analysis

: Expert

: Extreme - I love it!

:

More than 7 years

Instrumental analytical analysis

Instrumental analytical analysis

: Expert

: Extreme - I love it!

:

More than 7 years

MIS reporting and Budgeting

MIS reporting and Budgeting

: Expert

: Extreme - I love it!

:

More than 7 years

Setting up chemical laboratories

Setting up chemical laboratories

: Advanced

: Extreme - I love it!

:

1-3 years

ISO 17025

ISO 17025

: Advanced

: Extreme - I love it!

:

5-7 years

5S

5S

: Advanced

: Extreme - I love it!

:

More than 7 years

MS office

MS office

: Advanced

: Extreme - I love it!

:

More than 7 years

Fields of Expertise

Wet chemical analysis

Wet chemical analysis

: Expert

: Extreme - I love it!

:

More than 7 years

Analytical instruments calibration and trouble shooting

Analytical instruments calibration and trouble shooting

: Expert

: Extreme - I love it!

:

More than 7 years

Key Skills

Analytical, Leader, Planner, Hard worker, Team Player

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