Local time: Friday, 17 November 2017 23:11:19hrs
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Ministry of Minerals, Energy and Water Resources (MMEWR)
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Laboratory Services (Chemical Analysis)

1. Service Description

Geochemical Analysis: The laboratory carries out geochemical analysis of soils and rocks to provide the chemical composition of the samples. Parameters tested for include oxides, trace and major elements.

Water Analysis: The laboratory carries out chemical analysis of water samples for the purpose of determining the quality of water from different sources such as boreholes. Testing is done based on the BOS 32:2000 Standard for drinking water and FAO Guidelines for livestock drinking water. Testing addresses Chemical parameters such as; cations, anions and heavy/trace metals

2. How do I obtain the service?

 

3. How do I apply for the service?

Geochemical Analysis
• Sample collection
- Container – use paper bags for dry samples and plastic bags for wet samples
- Preservation and transportation – Ensure that the samples are not stacked on top of each other during transportation to avoid possible contamination. Avoid contact of the samples with dust as this is also a source of contamination
• Sample submission and reception at the lab
- Request form should be filled at the laboratory to indicate which elements should be analysed for

Water Analysis
• Sample collection
- Container –use 1L plastic (polyethylene) bottle for collection of the sample.
- Preservation- for analyses of heavy metals, the sample should be preserved in 5ml nitric acid
- Transportation – ensure that the sample bottles are tightly closed to avoid spillages which can contaminate other samples
• Sample submission and reception at the lab
- Samples should be submitted to the laboratory within a week of sampling
- Request form should be filled at the laboratory to indicate which elements should be analysed for 

4.How much does it cost?

P10.00 per analyte per sample

5.Where can I get more information?

Visit Department of Geological Surveys

The Director
Private Bag 0014
Lobatse
Telephone: +267 5330327
Fax: +267 5332013

For detailed information on this service visit:

http://www.mmewr.gov.bw/services/

Service Branches:
You may locate the service branche in charge in the  
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