5 Questions Every Researcher Should Ask a Chemical Supplier Before a Bulk Order
Choosing a chemical supplier is one of the most important decisions a researcher makes. The right supplier provides consistent, verifiable materials that support good science. The wrong supplier introduces variables that can compromise months of work. At Axion Chemicals , we talk to researchers and procurement teams every day who are looking for pure, reliable compounds. Here are the five questions I recommend every researcher ask before placing a bulk order. 1. Can you provide batch-specific Certificates of Analysis? A Certificate of Analysis (CoA) should be batch-specific, not a generic "typical analysis" sheet. A proper CoA includes a batch number matching your order, the purity percentage with test method (HPLC, GC, titration), a list of impurities tested for (residual solvents, heavy metals), the date of analysis, and an authorized signature or stamp. If a supplier cannot provide this before you order, it's a red flag. 2. What impurities do you test for? Pu...