Lab HQ: +255 758 381 273 Direct: +255 784 894 577 info@rvalabs.co.tz
WhatsApp Lab Desk Mwanza Main Lab • Regional Drop-Offs
ISO/IEC 17025 Compliant Analytical Systems • Lake Victoria Goldfields HQ

Precision Fire Assay, Geochemical & Environmental Testing for African Mining

Delivering international-standard fire assaying, ultra-trace ICP-MS/OES multi-element suites, metallurgical testwork, and statutory environmental compliance reporting with guaranteed fast-track turnaround across Tanzania.

24–48h Rush Turnaround Available
0.01 ppm Au Detection Limit
100% CRM & Duplicate QA/QC
Mwanza HQ • 5 Regional Reception Hubs
Exploration Drilling Assays
Exploration & Drilling

Fire Assay & Ultra-Trace Multi-Element Vectoring

30g/50g fire assay with AAS & gravimetric finish, coarse gold screen fire assay, and 65-element ICP-MS packages for greenfield and brownfield exploration campaigns.

Metallurgical Testing
Mine Processing & Doré

Metallurgical Recovery & Proof Bullion Doré Assaying

Cyanide bottle roll kinetics, carbon activity (R-value), diagnostic leaching, and certified gold doré settlement assays for smelters and refineries.

Environmental Monitoring
Statutory Compliance

Acid Rock Drainage (ARD) & NEMC Effluent Monitoring

Acid-base accounting (ABA), net acid generation (NAG), WAD cyanide water screening, and heavy metal soil profiling for statutory approvals.

Instrumentation Fleet & Statutory Accreditations:
PerkinElmer AAS & ICP Agilent Technologies LECO Carbon & Sulphur Thermo Scientific GCLA & TMC Registered
Analytical Capabilities

7 Core Laboratory Testing Pillars

Complete analytical infrastructure supporting mineral exploration, mine grade control, plant metallurgical accounting, and environmental monitoring.

Fire Assay & Precious Metals

Gold (AAS & gravimetric), Silver, Platinum Group Elements (NiS collection), and Metallic Screen fire assay for coarse nuggety gold deposits.

Method: FA-AAS / FA-GRAV View 5 Assays →

Multi-Element & Instrumental

ICP-OES (33 elements), ICP-MS ultra-trace suites (up to 65 elements), whole-rock fused bead XRF, and FAAS base metal assays.

Method: ICP-MS / ICP-OES View 5 Suites →

Sample Digestion & Wet Chemistry

Aqua regia partial leach, four-acid near-total digestion (HF-HNO3-HClO4-HCl), and LECO high-frequency induction carbon-sulphur combustion.

Method: 4-Acid / LECO View 4 Packages →

Sample Preparation & Core Cutting

Automated diamond core sawing, primary jaw crushing (70% <2mm), LM2 ring pulverizing (85% <75µm), and specific gravity density testing.

QC: 85% <75µm Sieve Pass View 4 Protocols →

Metallurgical Testwork & Leaching

Bottle roll leach kinetics, BLEG soil cyanide leaching, activated carbon activity (R-value), bench flotation, and bullion doré settlement assays.

Plant Recovery Feasibility View 5 Tests →

Environmental & NEMC Compliance

Acid Rock Drainage (ABA/NAG), mine effluent discharge water testing (WAD Cyanide, heavy metals), and camp potable microbiological testing.

Statutory Certification View 7 Packages →
Defensible Scientific Data

Built on Uncompromising Quality Assurance & Metrological Traceability

Every sample batch processed at RVA Laboratories is safeguarded by an automated 20% Quality Control insertion protocol complying with JORC 2012 and NI 43-101 technical disclosure requirements.

Matrix-Matched CRMs & Blanks Certified reference materials (Geostats / OREAS) and coarse quartz wash blanks in every 20-sample rack.
Automated LIMS Barcode Chain of Custody Zero manual transcription risk. Barcode tracked from physical sample reception to encrypted PDF Certificate of Analysis.
Inter-Laboratory Round Robin Participation Regular participation in global proficiency testing schemes verifying international accuracy standards.
0.01 ppm Au Detection Limit
24h Fast-Track Rush Service
65 Elements in ICP-MS Suite
100% Auditable Chain of Custody
Strategic Mining Presence

Sample Reception Hubs Across Tanzania

Direct laboratory sample drop-off points connecting the Lake Victoria Goldfields, Southern Highlands, and Central mineral corridors.

MAIN ANALYTICAL HQ

Mwanza Complex

Deluxe Hotel Bldg, Uhuru St.
Full Fire Assay, ICP & Metallurgical Complex

+255 758 381 273
MINING HUB

Geita Sample Depot

Geita Town Centre
Daily core & rock chip sample intake & crushing

Drop-off Details →
MINING HUB

Kahama Reception

Buzwagi Corridor
Sample intake, crushing, and expedited dispatch

Drop-off Details →
SOUTHERN HIGHLANDS

Mbeya • Chunya

Chunya Alluvial Gold Belt
Exploration core & bullion reception desk

Drop-off Details →
CAPITAL LIAISON

Dodoma Liaison

Government Chemist Corridor
Regulatory sample dispatch & certifications

Drop-off Details →
Industry Intelligence

Technical Bulletins & Geochemical Insights

View All Technical Articles →
Dispatch Your Samples Today

Ready to Achieve Audit-Ready Assay & Geochemical Data?

Connect with our Senior Geochemists and Metallurgy team. We provide sample pickup logistics, rapid quote estimates, and expedited 24-hour fast-track services for urgent exploration drilling.