Orelysis Geosciences, Nyang'omango, Misungwi (2026)

10/03/2026

Certified Reference Materials (CRMs): Confidence You Can Measure

Certified Reference Materials (CRMs) are the cornerstone of accurate, reliable, and defensible laboratory results. Independently tested and statistically certified, CRMs provide laboratories with the assurance needed to validate analytical performance, identify bias, and achieve consistent results across laboratories and over time. Their use is essential for demonstrating technical competence and meeting accreditation and regulatory expectations.

Choosing the Right CRM Matters

To maximise analytical confidence and operational excellence, consider the following when selecting a CRM:

Matrix compatibility: Ensure the CRM closely matches your sample matrix, such as soil, water, or rock, for the most representative results.

Relevant analyte coverage: Select CRMs that include the target analytes and concentration ranges critical to your testing requirements.

Trusted certification: Rely on CRMs certified by internationally recognised authorities such as NIST, USGS, or NBS.

Proven traceability: Confirm traceability to international reference standards for globally comparable results.

Defined uncertainty: Understand the certified uncertainty to support informed decision-making and data confidence.

With the right CRM, your laboratory gains more than a standard—you gain credibility, compliance, and confidence in every result.

03/03/2026

Sampling and Sample Preparation are critical foundational steps of the analytical process, yet they represent just the beginning of a comprehensive workflow.

The entire analytical chain encompasses multiple critical stages, including:

- Preparation, homogenization and Sampling

- Sample digestion

- Calibration utilising certified reference materials (CRMs) and standards

- Measurement and analysis

- Data analysis and QA/QC review

- Data interpretation and reporting

Each stage directly impacts subsequent steps, and vulnerabilities in any part of the process can compromise overall data integrity. Orelysis develops and implements robust QA/QC systems designed to reinforce every aspect of the analytical workflow. This ensures results are not only precise and accurate but also fully traceable.

For expert guidance on optimising your laboratory's QA/QC systems, please get in touch with our team. Quality is cumulative – every stage matters.

24/02/2026

Why consistent drying matter in geochemical analysis?
In geosciences and mineral analysis, sample preparation is the foundation of reliable results. One of the most critical—and often overlooked—steps is drying.

Uneven or inconsistent drying can:
Distort measured moisture content
Affect recorded weights
Compromise analytical accuracy
Skew final reporting reliability

These issues can ripple through the entire analytical workflow, introducing errors that are costly to detect or correct later.

Technical best practice: uniform heat distribution, controlled environmental conditions, and standardised drying protocols are essential for preserving sample integrity. Proper drying ensures that downstream analyses—assays, elemental determinations, or geochemical studies—are accurate and reproducible.

At the end of the day, accuracy in preparation defines the trustworthiness of your data.

Orelysis Geosciences supports laboratories and mining projects by implementing precision drying systems that provide:
🔹 Even heat circulation across all trays
🔹 High-throughput support for large sample volumes
🔹 Reliable performance for demanding mineral matrices
🔹 Consistent preparation for accurate downstream analysis

Whether handling routine assays or large-scale sample batches, Orelysis ensures every sample is dried with care, precision, and repeatability.

📞 For inquiries or Sample Preparation services: Call: +255 760 891 764 +255 782 200 704 Email: [email protected]

17/02/2026

Unlock Insights with Geochemical Analysis

Geochemical analysis is not about just numbers; it's about interpreting the earth's chemical language. At Orelysis, we go beyond mere data analysis. We interpret the Earth's chemical signals to drive informed decisions. Our geochemical services empower clients to:

- Uncover hidden mineralisation
- Pinpoint anomalies
- Target exploration efforts
- Inform resource evaluation

Using cutting-edge techniques like ICP-OES, ICP-MS, and AAS, we detect elements at trace levels. But we know that accuracy depends on meticulous preparation and QA/QC. That's why we integrate every step:

✔ Sample prep to analysis
✔ Quality control
✔ Proficiency testing
✔ Auditing and training

High-quality analysis is deliberate, not accidental. With Orelysis, you get:
Better data → Better models → Better decisions.

Let us support your geochemical strategy.

10/02/2026

Reference Standards: The Silent Guardians of Laboratory Accuracy

How does a laboratory prove that its results are correct?

The answer is simple — reference standards.

Reference materials are not just samples.

They are benchmarks of truth.

At Orelysis, we develop and supply high-quality reference standards used to:

• Validate analytical accuracy

• Monitor laboratory performance

• Detect drift and bias

• Support ISO 17025 compliance

A laboratory without proper reference standards is operating without a compass.

Our reference standards are:

✔ Carefully prepared

✔ Characterised and documented

✔ Suitable for routine QA/QC programs

✔ Designed for real-world geological matrices

They help laboratories answer critical questions:

• Are our results accurate?

• Are we consistent over time?

• Can clients trust our data?

For mining companies, reference standards provide confidence that reported grades are real, not artefacts of error.

For laboratories, they are tools of accountability and professional credibility.

In a world where one decimal point can change a project’s value by millions, standards are not optional.

Orelysis helps laboratories and mining companies build confidence — result by result.

03/02/2026

Orelysis: Where Geological Data Becomes Decisions

In mining and mineral exploration, decisions are only as good as the data behind them.
Every drilling program, resource estimate, feasibility study, and investment decision relies on one foundation:
accurate, reliable, and representative analytical results.

At Orelysis, we exist for one reason — to protect that foundation.
We are a specialised geological and geochemical services company focused on sample preparation, reference standards, proficiency testing, laboratory auditing, and technical support services for the mining and exploration industry.

Why does this matter?
Because poor sample preparation, weak quality control, or unverified laboratory performance can lead to:
• False anomalies
• Missed ore bodies
• Incorrect grade estimations
• Costly project delays
• Loss of investor confidence
Orelysis works behind the scenes to ensure that every result you receive is defensible, traceable, and decision-ready.

We operate with global best practices in mind, aligning our processes with ISO 17025 principles, international QA/QC standards, and modern exploration requirements.
If your project depends on data, then data quality should never be an afterthought.

At Orelysis, quality is not a feature.
It is the system.

30/01/2026

Why Sample Preparation Matters in Geochemical Analysis
In geochemistry, advanced instruments such as ICP‑MS and XRF often take the spotlight, but the real driver of data quality is sample preparation.

Poor preparation can lead to:
• Contamination and false anomalies
• Non‑representative subsamples
• Inconsistent duplicate results
• Particle size and moisture‑related bias
• Costly exploration and mining decisions
At Orelysis, we treat every sample as unique and irreplaceable. With full traceability and rigorous preparation protocols, we ensure reliable, defensible geochemical results that support confident decision‑making.

Partner with Orelysis for accuracy that starts at the very first step.
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09/01/2026

Advancing Analytical Integrity Across Africa — One Sample at a Time
As the new year begins, Orelysis Geosciences continues to strengthen its role in supporting Africa’s mining and analytical ecosystem through quality-driven, internationally aligned laboratory services.
We operate with a strong focus on accuracy, traceability, and compliance—ensuring analytical results that decision-makers can trust.
🔬 Our service scope includes:
• Reference Standards for internal Quality Control and analytical consistency
• Proficiency Testing, a core requirement for ISO/IEC 17025 accreditation
• Geochemical Analysis delivered through independent, ISO-accredited third-party laboratories
• Laboratory Auditing & Technical Training to strengthen competence and compliance
• Sample Preparation to ensure representative and homogeneous sub-samples
• Secure Sample Storage & Support Services designed to protect integrity and prevent contamination
This year, our focus remains on expanding technical capability, improving turnaround time, and building trusted partnerships across Africa’s mining value chain.
We welcome technical discussions and collaborative opportunities with organisations committed to quality, integrity, and responsible resource development.

18/12/2025

As we welcome 2026, the Orelysis team reflects on a year filled with growth, resilience, collaboration, and meaningful achievements. Our journey has been shaped by the collective effort, trust, and commitment of the incredible people who make Orelysis what it is today.

Orelysis is a specialised organisation delivering trusted solutions across the minerals, mining, and geoscience value chain. Our core services include Geological Sample Preparation, Certified Reference Materials, Inspection Services, Geoanalytics, and Proficiency Testing. Through precision, integrity, and innovation, we support informed decision‑making, quality assurance, and international standards compliance for our clients and partners.

To Our Valued Customers: Thank you for choosing Orelysis and believing in our vision. Your trust and feedback inspire us to innovate and deliver excellence every day. Serving you is both our responsibility and our greatest motivation.

To Our Dedicated Employees: You are the heart and strength of Orelysis. Your passion, discipline, and tireless effort have driven our success in 2025. We are grateful for your professionalism and unwavering commitment to quality.

To Our Management Team: Thank you for your leadership and strategic guidance. Your mentorship and ability to steer the organisation with clarity have been vital in shaping our progress.

Looking ahead to 2026, we embrace renewed hope and bold ambitions. The new year brings opportunities to strengthen partnerships, expand our reach, and create greater value together. We are excited about the road ahead and confident that, united, we will achieve more than ever before.

May 2026 be a year of success, good health, prosperity, and fulfilment for you and your loved ones. Thank you for being an essential part of the Orelysis family.

Please note that our services will be temporarily closed from 19 December 2025 to 5 January 2026 for the holiday season. Regular operations will resume on 6 January 2026. We appreciate your understanding and look forward to serving you in the new year.

16/12/2025

Thank you to our incredible team for the exceptional dedication and teamwork demonstrated in the successful delivery of the recent shipment of Reference Materials to our valued client, Rio. This achievement reflects not only strong collaboration but also discipline, precision, and a shared commitment to excellence.

Every stage of this process — from planning and coordination to ex*****on and final delivery — was handled with professionalism and attention to detail. Your collective effort ensured that we exceeded expectations and delivered real value to our client. This success is a clear testament to the strength of our team, our work ethic, and our unwavering focus on quality and client satisfaction.

We deeply appreciate each member of the team for going above and beyond their responsibilities. Together, we continue to set high standards and build trust through consistent, reliable performance.

05/12/2025

Each project presents unique analytical requirements, and our reference materials are designed to address those specific needs. Whether it involves conducting geochemical assays, validating laboratory performance, or ensuring compliance, Orelysis offers fit-for-purpose solutions.

17/11/2025

Job Title: Chemist
Company Overview:
Orelysis is a private company offering geological sample preparation, preparation of reference materials, sampling, inspection and proficiency testing services. We're seeking a detail-oriented Chemist to join our talented team, supporting the development and optimisation of Certified Reference Materials.

Key Responsibilities:
- Assist in the formulation and development of Certified Reference Materials
- Conduct experiments and analytical testing to ensure product quality
- Document results and maintain accurate lab records
- Collaborate with senior chemists and cross-functional teams
- Perform quality control and assurance activities

Requirements:
- Bachelor's degree in Chemistry, Geochemistry, or related field
- Strong foundational knowledge in chemistry principles and laboratory techniques
- Excellent analytical and problem-solving skills
- Strong communication and teamwork skills

Preferred Qualifications:
- Experience in formulation chemistry
- Knowledgeable of Spectroscopic analytical instrument operations, troubleshooting, and Good Laboratory Practices

Benefits:
- Competitive salary package and comprehensive benefits
- Professional development opportunities and training programs
- Collaborative and inclusive work environment

Location: Mwanza, Tanzania
Orelysis is an Equal Opportunity Employer.

Send your applications together with CV to [email protected] before 26th December, 2025

Orelysis Geosciences

10/03/2026

03/03/2026

24/02/2026

17/02/2026

10/02/2026

03/02/2026

30/01/2026

09/01/2026

18/12/2025

16/12/2025

05/12/2025

17/11/2025

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