Analytical Chemistry Testing Services Supporting FDA, USP, and Global Standards

IRVINE, CA, UNITED STATES, March 23, 2026 / EINPresswire.com / — Qalitex Laboratories, an ISO 17025-accredited third-party ...
News Medical

GC-MS/MS of dried urine is a ‘good surrogate’ for serum testing of hormones

Researchers have shown that analyzing dried urine extracts with GC-MS/MS to assess levels of reproductive hormones in pre-and post-menopausal women provides similar results to radioimmunoassays using ...
News Medical

Scientists develop GC-MS vitamin D test that costs as little as $0.70

The study, which was led by Ming-Yeh Yang and Ching-Yuan Huang of Tzu-Chi University, aimed to develop a rapid, sensitive and feasible method to determine 25(OH)D3 levels in blood for clinical ...

EU Pesticide Residue Testing Standards for Organic and Conventional Products

GC-MS & LC-MS/MS panel for 400+ compounds with US EPA, EU MRL, and USP compliance for supplements & foods. IRVINE, CA, UNITED ...