Refinery Workflows

Refinery and Smelting Articles

Review preparation, sampling, verification and workflow articles for refineries, smelting teams and precious metal processing operations.

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Latest Refinery & Smelting Articles

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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
Inline XRF for Toll Refining: Throughput Optimization Guide

Key Takeaways: Why Inline XRF Transforms Toll Refining Economics Toll refiners operating without inline XRF [...]

04
May
Refinery settlement dispute showing $147K average annual melt loss conflict per supplier
Gold Refinery Settlement Audit: The XRF Protocol for Melt Loss Reconciliation

The 4-step XRF audit protocol that resolves gold refinery melt loss disputes in under 8 [...]

01
May
Refinery gold recovery audit metallurgical mass balance flow chart showing slag and tailings loss points where profit leaks $213K annually at modern gold refinery
Gold Refinery Slag and Tailings XRF Recovery Audit Guide: Find Hidden Profit

Audit-grade XRF protocol for measuring gold and PGM losses in refinery slag and tailings, recovering [...]

30
Apr
LBMA Good Delivery penalty element limits gold bars table
XRF Penalty Element Screening: LBMA Compliance Guide for Refineries (Os, Ir, W, As)

Complete guide to detecting osmium, iridium, tungsten, and arsenic in gold doré bars at refinery [...]

29
Apr
Refinery technician weighing 25.12 kg gold doré bar on industrial scale before XRF assay
Doré Bar XRF Assay: Complete Refinery Intake Workflow (5-Step SOP)

28
Apr
Multi-point XRF analysis of a 10kg gold doré bar in a refinery laboratory
The Comprehensive Guide to XRF Spectrometry for Gold Refineries

# The Definitive Guide to XRF Spectrometry in Gold Refining & Smelting (2026) Last updated: [...]

27
Apr