Author Archives: wisermachine

XRF Alloy Method Library for Jewelry QC: Buyer Acceptance Checklist 2026

Specify and accept an XRF alloy method library for yellow gold, white gold, silver and [...]

XRF Detection Limits for Precious Metals: What Buyers Must Verify 2026

Evaluate XRF detection-limit claims using the real matrix, target element, test time, spot size, interference, [...]

XRF Testing Natural Gold Nuggets and Raw Gold: Sampling Limits 2026

Use XRF on natural gold nuggets and raw gold without mistaking one surface spot for [...]

XRF Testing Hollow Gold Jewelry: Weight, Filler and Hidden-Core Risks 2026

Screen hollow gold bangles, chains and ornaments without overtrusting surface XRF. Check weight, construction, multiple [...]

XRF Testing Gold-Filled Jewelry: Surface Reading Risks for Buyers 2026

Learn why thick gold-filled layers can look like solid gold to surface XRF and how [...]

XRF Barcode and LIMS Integration: Procurement Checklist for Jewelry QC 2026

Evaluate XRF barcode and LIMS integration before purchase: sample IDs, CSV or API export, images, [...]

UPS and Voltage Protection for Benchtop XRF Analyzers: Buyer Checklist 2026

Choose a UPS or voltage-protection plan for a benchtop XRF analyzer. Confirm load, runtime, grounding, [...]

XRF Testing Silver Flatware: Sterling, Silver Plate and Knife-Handle Risks 2026

Use XRF to screen silver flatware while controlling plated surfaces, hollow knife handles, solder, wear [...]

XRF Nickel Screening vs EN 1811 Nickel Release Testing for Jewelry 2026

Understand why XRF nickel composition screening does not replace EN 1811 nickel-release testing for jewelry, [...]

XRF Measurement Window and Film Inspection: Safe Operator Checklist 2026

Inspect an XRF measurement window or protective film safely. Learn when to stop testing, what [...]