Certified Reference Materials Suppliers

Certified Reference Materials

Ensure confidence in every result with our extensive range of Certified Reference Materials (CRMs) from trusted international manufacturers. Designed to support analytical accuracy, method validation and quality control, our streamlined supply chain helps laboratories achieve reliable, repeatable and traceable measurements across a wide range of applications.

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Calibration Standards

From single-element solutions to complex multi-element mixtures, we supply high-quality calibration standards to meet the demands of analytical laboratories. With a broad range of concentrations, matrices, and custom solutions available, we help you maintain instrument performance and achieve accurate, consistent analytical results.

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Proficiency Testing

Strengthen your laboratory’s quality assurance with proficiency testing designed to assess analytical performance and support ongoing quality improvement. By comparing your results against established values and other participating laboratories, you can identify potential issues, verify testing methods and build confidence in your laboratory’s results.

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Available Products

AAS Standards

Environmental CRM's

High Purity Substances

IC Standards

ICP Standards

ICP-MS Standards

Metallo-Organic Standards

Miscellaneous Standards

NIST SRM's

Organic Solutions

Petroleum Products

Physicochemical Standards

Proficiency Test

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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

Choosing the Right CRM Supplier: Key...

Reliable laboratory results begin with reliable reference materials. From environmental monitoring and mining to pharmaceuticals and elemental analysis, laboratories depend on accurate measurements to make informed decisions, maintain quality standards and demonstrate analytical performance. However, choosing between certified reference material...

TOC Consumables: Supporting Accurate Total Organic...

Total Organic Carbon (TOC) is a widely used indicator of organic contamination in water and other aqueous samples. From pharmaceutical water systems and drinking water to industrial processes and environmental monitoring, reliable TOC measurement helps laboratories evaluate water quality and...