Vitrovian Analytical Services OPERATIONS

VVAS laboratory is one of the South African 100% black owned coal laboratories that render analytical services to the coal mines in Mpumalanga Province.

We aspire for sound professional laboratory practices to keep us competitive, while honouring our policy, to motivate and drive the company to success.

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SCOPE OF OUR OPERATIONS

  1. SAMPLING
  2. ROVING AND OBSERVING
  3. PROXIMATE ANALYSIS
  4. CHEMICAL ANALYSIS
  5. ULTIMATE ANALYSIS
  6. WASHABILITY TESTING
  7. PLANT AND LAB AUDITS
  8. LAB COMMISIONING
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SERVICES

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  • Abrasive Index
  • Total Sulphur
  • Calorific Value
  • Proximate Analysis
  • Bulk Density
  • Relative Density
  • On-site Services
  • Wash-ability testing
  • Hard Glove Index
  • Total Moisture
  • Dry and Wet Screening
  • Ash Fusion Temperature (AFT)
  • Sampling and sample preparation
  • Performing technical audits
  • sampling plant and laboratories
  • Bias test
  • X-ray Fluorescence (XRF)
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ACCREDITATIONS

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OUR VISION

TO PROVIDE EXCELLENT SERVICES ON COAL SAMPLING AND ANALYSIS TO THE COAL INDUSTRY

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Accreditations

The facilities of VAS analytical services are accredited in accordance with the recognized International Standard ISO/IEC 17025 and as such, our competentTechnical Signatories include the following personnel:

Mr JH Hlongwa (all methods)
Ms N Msimang (All methods)
Mr B Magadla (All Methods)
Ms M Chiliza (All methods)
Ms N Mjomle (All Methods)
Ms Z Mokwena (All Methods)
Ms N Mnisi (Sample Prep, PSD, Total Moisture and Total Sulphur)

Standards Per Methods

Our laboratory’s operation is based on the following standards per Method:

Determination of Ash Content: ISO 1171:2010
Determination of Volatile: ISO 562:2010
Determination of moisture in analyses sample: SANS 5925:2007
Determination of Caloric Value: ISO 1928:2009
Determination of Total Sulphur: ASTM D4239:2014
Determination of Sample Preparation: ISO 13909-4: 2001
Determination of Total Moisture: ISO 589:2008
Determination of Float and Sink: ASTM D4371:2006
Determination of Abrasion Index:Eskom Method
Determination of Sizing (PSD): ISO 1953: 1994
Determination of Ash Fusion Temperature (Reducing Only): ISO 540:2008