Scientific Approach – Technical Expertise – Practical Solutions


PT Schemes entail the organisation, development and evaluation of tests of the same items or similar items by several laboratories, according to predefined conditions.


We can prepare reference materials in batches from 20kg – 1000kg, depending on the client’s requirements and application.


ISO 17043

Qotho is SANAS ISO 17043 Accredited for Proficiency Schemes.


ISO 17034

Qotho is SANAS ISO 17034 Accredited for Reference Material.

Latest News

Proven proficiency benefits operations

Globally, low commodity prices are putting pressure on mining companies to ensure that all aspects of their operatio ...

Local service provider delivers lab supplies to Zambian mines

Mining industry-focused turnkey laboratory solutions provider Tramecon delivered laboratory supplies to numerous min ...


Tramecon is a turnkey laboratory solutions provider, servicing mining projects worldwide from its wholly owned Randb ...

Multimillion-rand lab installed in the DRC

Johannesburg-based mining laboratory services provider Tramecon in October completed the installation of a multimill ...

We have Moved!

36 Pelindaba Road, Broederstroom, Madibeng, North West Province, 0240 PO Box 13, Broederstroom, 0240, South Afr ...

ISO 17034 Recommended

Qotho has been recommended for our ISO 17034 Accreditation with SANAS In the analytical chemistry field, certified refer ...