Resources

Buying guides, instrument know-how, and tips from the Global Tech team.

All topics buying guide chromatography GC-MS ICP-MS ICP-OES logistics selling spectroscopy surplus equipment triple quadrupole valuation

GC-MStriple quadrupolebuying guide

Single Quad or Triple Quad GC-MS? What the Upgrade Actually Buys You

A triple quad is not simply a more sensitive single quad. Here is what MRM really does for you, when the premium is justified, and when a single quadrupole is the smarter purchase.

Global Tech EquipmentJuly 25, 2026Read more →

ICP-MSICP-OESbuying guide

ICP-MS or ICP-OES? How to Choose Before You Buy

Detection limits, matrix tolerance, regulatory methods, and real cost of ownership — a practical framework for choosing between ICP-MS and ICP-OES, plus what to check when buying either used.

Global Tech EquipmentJuly 25, 2026Read more →