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CPAchem® certified reference materials

CPAchem Certified Reference Material — Why Australian labs trust GBJPL for accuracy and speed

In analytical chemistry, the difference between a pass and a costly re-run often comes down to the quality of your standards. Certified Reference Materials (CRM...
Oct 5, 2025
by Tom G.

CPAChem Certified Reference Materials in Australia—Now from Graham B Jackson Pty Ltd (GBJPL)

When every microgram and millivolt matters, your choice of certified reference material (CRM) decides whether results are defensible—or debated. Graham B Jack...
Sep 5, 2025
by Tom G.