THE UNITED REPUBLIC OF TANZANIA
MINISTRY OF ENERGY AND MINERALS
TANZANIA MINERALS AUDIT AGENCY
LABORATORY SERVICES
Call us on +255 687 003 003 / +255 753 750 750
We are located at:
Plot No. 1129 Chole Road, Masaki,
DAR ES SALAAM
Tanzania Minerals Audit Agency (TMAA) is a semi-autonomous institution established under the Executive Agencies Act, Cap. 245. The Agency was established on 6th November, 2009.
The Agency has a modern laboratory which provides commercial services to mineral explorers, miners, mineral traders, buyers and exporters.
TMAA Laboratory receives different sorts of mineral ores, concentrates, bullions, rock and soil samples from individuals as well as corporate entities to ascertain mineral(s) content. The laboratory also provides identification and grading of diamonds and coloured gemstones. Why use TMAA Laboratory?
Qualified, skilled, experienced and committed staff.
Good customer care.
Modern equipment.
State-of-the art technology
Validated methods of analysis
Quality management system in place.
Quick and accurate analysis results.
High confidentiality on customer results.
Effective organization structure.
TMAA Laboratory
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TMAA Laboratory provides the following services:
Sampling
Sample preparation (crushing,
pulverization, splitting, sieving)
Moisture determination
Drying
Determination of gold and silver
contents in bullion, soil, concentrate
and geological/ exploration samples
using fire assay with either gravimetric
or AAS finish
Determination of base metals in bullion, soil, concentrate
and geological/exploration samples by acid digestion
with AAS finish
Determination of metallic
elements including gold,
copper, iron, nickel, zinc, tin,
chromium, lead and various
compound e.g. coltan
(columbite and tantalite) by
XRF
Gold Quick Acid Test
Rock and mineral identification
Jewelry verification for gold (karat value)
Identification and grading of diamonds and coloured
gemstones
Services Offered
Note: Other services may be offered as per customer requirements 2
Our Processes
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Sample Preparation
Fire Assaying (Cupellation)
Weighing using Sensitive Balance
Sample Digestion & Dilution
AAS Machine
Parting Process
XRF Machine
TMAA strives to provide good services by:
M a i n t a i n i n g
documented quality
system that meets ISO/
IEC 17025 requirements,
incorporating adequate
review, and audit as
quality assurance of
laboratory data;
Using appropriate
validated test methods
(and related work instructions) that incorporate
adequate quality control;
Using facilities, equipment, supplies and services that are
appropriate to our work, and ensuring that they are
functioning properly and meet required specifications;
Maintaining experienced staff that demonstrate
continuing proficiency to carry out assigned activities;
and
Maintaining all laboratory
data and records
g e n e r a t e d i n
appropriate manner that
is easily accessible.
Quality Assurance
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Service Charges (per sample)
S/N Service Description Charge (VAT excl.)
1. Sample
preparation Drying TZS 10,000 (<=3kg)
Moisture determination TZS 10,000
Crushing TZS 10,000 (<=3kg)
Pulverization TZS 10,000 (<=100g)
2. Analysis of
Precious metals Gold quick acid test TZS 10,000
Gold and silver in bullion by fire assay with
gravimetric finish
TZS 50,000 (including sample preparation)
Gold in bullion by Aqua Regia Digestion with AAS
finish
TZS 40,000 (including sample preparation)
Silver in bullion by Acid Digestion with AAS finish TZS 40,000 (including sample preparation)
3. Analysis of base
metals in bullion,
rock and soil
samples
Acid digestion, AAS finish (package of five
elements among Cu, Pb, Zn, Mn, Co, Fe and Cd)
TZS 40,000
(TZS 8,000 for each
additional element)
4. Analysis of gold
and silver in rock
and soil samples
Fire assay with gravimetric finish TZS 50,000
Gold - by fire assay with AAS finish TZS 50,000
Silver - by fire assay with AAS finish TZS 50,000
5. Analysis of
precious metals
in concentrate
samples
Gold and silver by fire assay with gravimetric finish TZS 50,000
Gold by fire assay with AAS finish TZS 50,000
Silver by fire assay with AAS finish TZS 50,000
6. XRF analysis Determination of elements (Ti, V, Cr, Mn, Fe, Co,
Ni, Cu, Zn, As, Zr, Nb, Mo, Ag, Cd, Sn, Sb, Hf, Ta, W,
Au, Pb, Bi) in ores, soil and alloys in quantitative
and qualitative analysis for light elements.
TZS 50,000
7. Coloured
Gemstones and
Diamond
Identification
Report
Identification services will include testing to RI, SG,
visual spectroscopy, fluorescence and inclusions
on loose stones only. The report will state whether
the material is natural or synthetic. (Note: The
report will not identify whether an identifiable
treatment has been used to enhance its appear-
ance, if the material is a simulant with no known
counterpart, or if it has been assembled from two
or more separate components).
TZS 40,000
(<=10 carats,
TZS 10,000 for each
additional of 5
carats)
8. Diamond
Identification
Report
Identification services will be performed only on
loose stones (minerals) and will include testing to
hardness, density, SG, optical properties and
Inclusions.
TZS 40,000
(<=10 carats,
TZS 10,000 for each
additional of 5
carats)
9. Diamond
Grading Report Grading services will be performed only on loose
stones and will include testing to determine
whether such stones (minerals) are natural or
synthetic. (Note: Grading services exclude
testing to laser drilling, fracture filling, irradiation
and heat treatments).
TZS 50,000
(<=10 carats,
TZS 20,000 for each
additional of 5
carats)
Note: Charges are subject to change without prior notice
All payments to be made in Tanzanian Shillings
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TMAA Laboratory Services
Contacts:
Head Office:
Tanzania Minerals Audit Agency
Plot No. 1129, Chole Road, Masaki
P.O. Box 23400, DAR ES SALAAM
Tel: +255 22 260 1819 Fax: +255 22 260 1326
Mobile: +255 687 003 003 / +255 753 750 750
Mwanza Sub-Office:
PPF Plaza, Plot No. 17/2 & 18, Kenyatta Drive,
P.O. Box 362, MWANZA
Tel: +255 28 2506052 Fax: +255 28 2506051 Arusha Sub-Office:
NSSF Mafao House, Old Moshi Road
P.O. Box 774, ARUSHA
Tel: +255 27 252 0157 Fax: +255 27 252 0157 Mbeya Sub-Office:
IFAD Building, Tunduma Road, Mwanjelwa
P.O. Box 644, MBEYA
Tel: +255 25 250 2921 Fax: +255 25 250 2921
Email: [email protected] Website: www.tmaa.go.tz