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XRF Buying Guide Articles

Compare analyzer types, detector choices, calibration needs, ownership cost and daily testing workflows before choosing a precious metal testing machine.

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Latest XRF Buying Guide Articles

Start with the newest posts, then follow the related article links inside each guide to continue your research.

Coin Dealer Numismatic XRF Buying Guide 2026: Authentication, ROI & PCGS/NGC Workflow

Complete 2026 buyer guide for coin dealers: numismatic XRF authentication, $50K counterfeit prevention, PCGS/NGC submission [...]

10
May
Refinery gold sample preparation laboratory with riffle splitter vibratory mill and pellet press
Refinery Gold Sample Preparation Lab SOP 2026: Crushing, Splitting & XRF Pre-Analysis Protocol

Complete 8-step refinery gold sample preparation SOP: D80

09
May
Vault operator using handheld XRF analyzer on gold bars in modern bullion vault
Vault Operator Gold Bar Daily Audit Protocol 2026: LBMA Inventory Verification SOP

Complete 2026 SOP for bullion vault operators: 3-tier audit cadence (daily 5-bar spot-check, weekly 50-bar [...]

08
May
Bullion Dealer Incoming Gold Bar XRF Verification SOP 2026: The 5-Test Stack

Complete 2026 SOP for bullion dealers verifying incoming gold bars: the 5-test stack (XRF + [...]

06
May
WiserMachine XRF gold analyzer testing pure gold jewelry in pawnshop and jewelry store applications
Cleaning XRF Surfaces: Approved Solvents and Methods

The complete 2026 buyer's guide to XRF gold analyzers for pawnshops: 5 key factors, price [...]

24
Apr