Our Services
Peter Johnson Laboratories Offers:
Boutique Service icon

A boutique service with on time turn-around times

Soil to fork testing icon

“Soil to fork” testing

Sampling and testing icon

Sampling and testing of commodities for export and local purposes

Integrity of results icon

Integrity of results i.e. authentic and accurate results

Food Safety Testing icon

Food safety testing, food authenticity

ISO accredited icon

SANAS accredited and non-accredited testing

Who We Are

Peter Johnson Laboratories is an ISO/IEC 17025 SANAS accredited, independent, boutique laboratory based in Montague Gardens, Cape Town, that produces reliable and accurate results, promised turnaround time and high customer satisfaction levels.

Laboratory Cape Town
Our Markets
Agriculture Sector

Agriculture sector including growers and processors of food products such as fruit, fruit juices, dried fruit, nuts, spices, edible oils (olive oil, nut oils, seed oils, fish oils)

Production manufacturing and distribution

Production, manufacturing and distribution of food and non-food products. Importers and exporters of raw and processed food products

Animal Feeds

Animal feeds such as pet foods, fish meal and various raw materials used in the production of all animal feeds

Water Quality Waste Water

Water quality / waste water

Our Niche Areas
Testing Laboratory
Chilli and spice analysis at an ISO/IEC 17025 SANAS accredited laboratory – testing for food safety, authenticity, and quality assurance.
Olive oil analysis using SANAS accredited and internationally recognized AOCS test methods – testing free fatty acids, peroxide value, Delta K, K232 & K270 with a 5-7 day turnaround time.
Patulin testing for food quality and safety – analysis of fruit pulp, fruit juice, and fruit juice concentrate at a SANAS accredited laboratory.
Water activity testing for processed meats, dairy, baked goods, spices, nuts, and packaged food products at a SANAS accredited laboratory.
Salt testing using SANAS accredited and internationally recognized AOCS test methods – purity assay (ex chloride), acid insoluble ash, and sulphate (SO4) analysis with a 5-7 working day turnaround.
Sulphur Dioxide (SO₂) testing for litchis, raisins, fruit juice, and spices at a SANAS accredited laboratory – ensuring food safety and compliance.
Plant testing using pharmacopeia methods on plant materials, including Harpaoside analysis (Zeyheri and Procumbens) with a 5-7 working day turnaround at a SANAS accredited laboratory.
Water testing for irrigation, boreholes, and construction using SANAS accredited APH methods at a certified laboratory.
SANAS accredited tests Cape Town