Analytical chemist/Laboratory Analyst

Analytical chemist/Laboratory Analyst

An analytical chemist/Laboratory Analyst is responsible for preparing geological, environmental, and exploration samples for elemental analysis by converting solid samples into solutions using acid digestion techniques and microwave digestion systems.

Key Responsibilities

• Sample Preparation and Digestion

• Receive and verify samples from the sample preparation section.

• Ensure samples are properly labeled and traceable throughout the digestion process.

• Weigh samples accurately according to analytical procedures.

• Prepare digestion reagents, acids, and standards as specified in laboratory methods.

• Perform acid digestion of samples using microwave digestion systems.

• Operate and monitor microwave digestion equipment safely and efficiently.

• Quality Control and Assurance

• Include quality control samples such as blanks, duplicates, certified reference materials (CRMs)in each digestion batch.

• Monitor digestion efficiency and identify incomplete digestions.

• Record all digestion data and quality control results.

• Adhere to laboratory quality management systems and standard operating procedures (SOPs).

• Participate in internal and external quality assurance programs.

• Equipment Operation and Maintenance

• Operate digestion equipment including: Microwave digestion systems, Muffle furnace, Deionized water equipment, Analytical balances, Fume hoods etc

• Conduct routine equipment inspections and performance checks.

• Report equipment faults and maintenance requirements.

• Maintain equipment usage and maintenance logs.

• Chemical and Reagent Management

• Prepare and standardize digestion reagents and calibration solutions.

• Monitor acid and reagent inventory levels.

• Ensure proper storage and handling of hazardous chemicals.

• Maintain Material Safety Data Sheets (MSDS/SDS) for laboratory chemicals.

• Assist in procurement requests for digestion consumables and reagents.

• Health, Safety, and Environmental Compliance

• Follow laboratory safety procedures when handling concentrated acids and hazardous chemicals.

• Use appropriate Personal Protective Equipment (PPE).

• Ensure proper operation of fume extraction systems.

• Segregate and dispose of chemical waste according to environmental regulations.

• Participate in laboratory safety inspections and risk assessments.

• Documentation and Reporting

• Maintain accurate digestion worksheets and laboratory records.

• Record sample weights, digestion conditions, reagent batches, and QC results.

• Update laboratory information management systems (LIMS) where applicable.

• Prepare daily, weekly, and monthly digestion activity reports.

• Productivity and Continuous Improvement

• Meet daily digestion throughput targets.

• Optimize digestion procedures to improve efficiency and turnaround time.

• Assist in method development and validation and calibration studies.

• Support laboratory accreditation requirements such as ISO/IEC 17025.

• Participate in training and competency development programs.

• Key Performance Indicators (KPIs)

• Number of samples digested per day/month.

• Sample turnaround time.

• Digestion success rate.

• Quality control pass rate.

• Equipment uptime and utilization.

• Safety compliance and incident-free operations.

• Accuracy and completeness of laboratory records.

• Reporting Line Laboratory Supervisor

• Job Category: Quality Assurance

• Job Type: Full Time

• Job Location: Abuja