Author Archives: wisermachine

WM9800 XRF analyzer with a monitor sample and control chart in a quality-control laboratory
XRF Calibration Drift: Monitor Samples and Control Chart Rules 2026

Monitor XRF calibration drift with stable check samples, baselines, warning limits and action rules without [...]

15
Oct
WM7700 XRF analyzer beside certified reference materials and calibration records in a quality laboratory
XRF Calibration Certificate vs CRM Certificate vs Verification Report 2026

Compare an XRF calibration certificate, certified reference material certificate and verification report so buyers request [...]

15
Oct
WM-EDX-B9 XRF analyzer secured in export packing beside air cargo documents
Shipping an XRF Analyzer by Air: Lithium Battery and Packing Checklist 2026

Check XRF analyzer batteries, air-cargo declarations, packing, accessories and documents before shipping internationally by air [...]

15
Oct
WM-EDX-B6 XRF analyzer being prepared with export documents and a protected shipping crate
XRF Analyzer Customs Clearance Documents: Global Import Checklist 2026

Prepare commercial invoices, packing lists, transport documents and local permits for XRF analyzer customs clearance [...]

15
Oct
WM3600S XRF analyzer displaying a normalized elemental spectrum in a laboratory
Why Do XRF Results Total 100%? Normalization and Missing Elements Explained 2026

Learn why XRF results may total 100%, what normalization means, which elements may be missing [...]

15
Oct
WM5000 handheld XRF analyzer retesting gold rings beside reference coupons and a precision scale at a buying counter
XRF Gold Karat Boundary Results: Retest Rules for 9K, 10K, 14K and 18K 2026

Create pass, hold and confirm rules when XRF gold results sit near 9K, 10K, 14K [...]

12
Oct
WMK3000 handheld XRF analyzer measuring separate gold, silver, platinum and copper-alloy reference coupons
XRF Spectral Overlap and Matrix Effects in Gold, Platinum and Jewelry Alloys 2026

Understand how peak overlap, absorption, enhancement and alloy matrix affect XRF results for gold, platinum [...]

12
Oct
WM3900P XRF analyzer with two organized sets of precious-metal reference discs in a calibration laboratory
Fundamental Parameters vs Empirical XRF Calibration for Precious Metals 2026

Compare fundamental-parameters and empirical XRF calibration for gold, silver and platinum, including standards, matrix range [...]

12
Oct
WM-EDX-B3 XRF analyzer with precious-metal reference coupons, balance and calipers in a metrology laboratory
XRF Measurement Uncertainty for Precious Metals: Guard Bands and Buyer Decisions 2026

Use XRF uncertainty, guard bands and escalation zones to make safer precious-metal acceptance decisions instead [...]

12
Oct
WM9800T XRF analyzer with high-purity gold reference coupons and a fine-gold bar in a refinery laboratory
XRF Testing 995 vs 999 vs 9999 Gold: High-Purity Verification Guide 2026

Learn how to verify 995, 999 and 9999 fine gold with XRF, reference materials, longer [...]

12
Oct