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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Silver electrolytic refinery cell house with a freshly harvested bright dendritic silver cathode crystal lifted on a stainless tray from a Moebius cell, the dark silver-nitrate electrolyte and hanging silver anodes visible below, a tray of dark grey-black anode slime gold mud collected for recovery, and a technician aiming a handheld XRF analyzer at the silver crystal showing a 99.99 percent fineness readout, with rows of electrolysis cells and bus bars behind
Silver Electrolytic Refining Cathode Purity Audit XRF SOP 2026

Run a 5-stage E0-E4 XRF audit SOP for a Moebius silver electrolytic cell that verifies [...]

15
Jun
PGM refinery settlement audit bench with handheld XRF scanning platinum palladium and rhodium retained split samples beside assay certificate and payable metal reconciliation records
PGM Refinery Settlement Assay Audit SOP for Platinum, Palladium & Rhodium 2026

Use this PGM settlement audit SOP to reconcile platinum, palladium, and rhodium refinery assay differences [...]

14
Jun
Photograph of a silver refinery intake and reconciliation desk with a digital precision bench scale showing a weight while holding a heap of mixed silver scrap of tangled sterling jewelry, point nine nine nine fine silver offcuts and bars and tarnished silverware, a melted silver button and poured bar cooling nearby, a reconciliation tally clipboard, and a technician aiming a handheld XRF analyzer at the pile with a teal screen showing a silver fineness reading distinguishing 925 from 999, with a glowing melting furnace in the background
Sterling & Fine Silver Scrap Refinery Intake Reconciliation XRF SOP 2026

Run a 5-stage R0-R4 intake reconciliation SOP to turn a declared silver scrap lot into [...]

09
Jun
Spent petrochemical catalyst reclamation assay bench with drums and trays of spent refinery catalyst dark cylindrical extrudate pellets alumina spheres and granular catalyst dust some with a faint platinum-group sheen, a technician in a lab coat gloves and respirator aiming a handheld XRF analyzer at a tray of catalyst pellets showing a PGM grade readout, with a scoop sample bags and a labeled spent-catalyst reclamation drum and fume hoods behind
Spent Petrochemical Catalyst PGM Reclaim: XRF Incoming-Lot Assay SOP for Pt/Pd/Re 2026

Deploy a 5-stage R0-R4 XRF incoming-lot assay SOP for spent petrochemical catalyst at the refiner [...]

03
Jun
Electrolytic refining facility verifying cathode purity with a freshly harvested bright crystalline electro-refined cathode sheet leaning against a stainless rack beside stacked cathode plates, a technician in gloves and safety glasses aiming a handheld XRF analyzer at the cathode surface showing a high-purity fineness readout, with rows of electrolytic refining cells full of electrolyte and hanging electrodes glowing behind under bus bars
Electrolytic Refining Cathode Purity Audit: 5-Stage XRF SOP for Four-Nines Gold Verification 2026

Deploy a 5-stage E0-E4 cathode purity audit for electrolytic gold refining. Electrolyte and anode baselining, [...]

01
Jun
Coin mint scrap and floor-sweeps recovery room with trays of blank coin planchets trimmed collars and edge clippings plus a dish of fine metallic floor-sweep dust with a gold and silver sheen, a technician in gloves and a hairnet using a handheld XRF analyzer on a tray of sweep concentrate showing a precious-metal grade readout of gold zero point one five percent and silver eight point five percent, with a sieve brush and labeled bins and coin-stamping presses behind
Mint Scrap & Sweeps Recovery Audit: 5-Stage XRF Protocol for Mints, Jewelers & Recyclers 2026 (S0-S4 Workflow, 21-Day Settlement)

Implement a 5-stage S0-S4 recovery audit for mint sweeps, polishings and bench filings. Incineration-loss capture [...]

30
May
Refinery toll-assay reconciliation lab auditing sample bags with several sealed and labeled bags of metal-bearing assay powder in a row one open showing dark powder, a riffle splitter and numbered split-sample envelopes, a lab technician in a white coat reading a pressed sample pellet on a benchtop XRF analyzer showing an assay spectrum, and a reconciliation tally clipboard with a sealed retention sample nearby
Toll Refining Sample-Bag Reconciliation Audit: 6-Phase XRF Protocol for Small Refineries 2026 (R0-R5 Workflow, 14-Day Settlement Window)

Implement a 6-phase R0-R5 reconciliation protocol for toll refining sample-bag disputes. WMK600 baseline XRF + [...]

29
May
Refinery shipment receiving dock chain-of-custody XRF inspection with WMK6000 benchtop
Refinery Shipment Receiving QA & Insurance Claim Evidence-Chain SOP: 5-Step Dock-Side XRF Protocol (2026)

Mid-size gold refineries lose $145K-$420K/year on undocumented receiving discrepancies. This 5-step dock-side WMK6000 XRF protocol [...]

26
May
12-skill competency matrix lab portrait
Refinery Sample Splitting Operator Skill Audit Protocol (2026 Edition)

Refinery sample splitting operator audit: 12-skill matrix, 90-day onboarding, 4-tier certification. Stops $96K/year settlement disputes [...]

20
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