QUICK, RELIABLE SERVICE FOR ALL YOUR REFERENCE MATERIAL NEEDS

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GBJ is a long-standing and trusted supplier of high-quality Standards and Certified Reference Materials (CRMs), supporting a wide range of analytical applications. All of our products are certified to ISO 17034 and ISO 17025, ensuring the highest levels of accuracy, traceability, and reliability.
At GBJ, we don’t just supply products — we go the extra mile to ensure you receive exactly what you need, when you need it. Explore our product ranges below to see how we can support your laboratory with confidence.

Our Solutions

Custom Standard

The new cost-effective way to run your lab. With short lead times, our matrix matched Solutions are competitively priced and come ready to use!

Stock Standard

Want next day delivery? Explore our Stock standard range here!

Products We Serve

Acid

ARO Scientific

Environmental CRM’s

ICP Standards

Process Water Consumables

Pump Tubing

Pure Raw Materials

Metallurgical CRMs

Why Choose gbj

Internationally Accepted CRMs from trusted global brands

Accurate, traceable standards for regulated industries

Efficient import, handling & delivery across across the Asia-Pacific Region

Decades of industry expertise & customer support tailored to laboratory needs

Dedicated technical support to help you select the right CRMs and documentation for your laboratory needs

Latest Updates

Why CPAchem Certified Reference Materials Are...

Analytical laboratories today operate in an environment where precision, traceability, and compliance are non-negotiable. Whether testing pharmaceuticals, environmental samples, food products, industrial chemicals, or mining materials, laboratories depend heavily on reliable calibration standards to ensure defensible analytical results. This is...

Why Certified Reference Materials Are Essential...

As analytical laboratories face increasing demands for precision, traceability, and regulatory compliance, the role of high-quality certified reference material (CRM) has become more critical than ever. From mining and environmental testing to petrochemical analysis and pharmaceutical manufacturing, laboratories depend on...