# LEADING EDGE MATERIALS' WOXNA GRAPHITE TARGETS PREMIUM APPLICATIONS WITH CONFIRMATION OF PURIFICATION ROUTE Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/leading-edge-materials-woxna-graphite-targets-premium-applications-with-confirma--e0d6ffe2-9656-486d-88ae-9a2354c762b1 Original source: https://money.tmx.com/en/quote/LEM/news/6705306333688022/leading-edge-materials-woxna-graphite-targets-premium-applications-with-confirma Publisher: tmx Original announcement: 2026-06-10T06:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Leading Edge Materials Corp. - Ticker: LEM - Exchange: TSX - Region: Sweden - Primary commodity: Graphite - Secondary commodities: None reported - Document categories: Metallurgy - Extracted: 2026-09-18 06:36:40 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary Leading Edge Materials has confirmed a commercially practical two-stage alkaline purification route for its Woxna graphite project, achieving 99.96% LOI purity without energy-intensive pre-heating. The testwork, conducted on historical stockpiled ore, also demonstrated the ability to retain large flakes during flotation, a key requirement for premium battery-grade applications. Reasoning: The announcement confirms a commercially viable purification route for high-purity graphite, which is a key technical milestone for the Woxna project's transition to battery-grade production. - Positive factor: Successful demonstration of high-purity \(99.96% LOI\) via a simple two-stage alkaline process - Positive factor: Retention of large flakes during flotation, critical for premium applications - Positive factor: Avoidance of energy-intensive pre-heating step in the preferred route - Positive factor: Use of specialized VeRoLiberator technology for efficient liberation - Negative factor: Testwork conducted on oxidized historical stockpiles rather than fresh ore - Negative factor: Initial flash flotation performance was below expectations Facts used in scoring: 4 ## Classification and evidence **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: The process involves milling using VeRoLiberator equipment followed by flotation. Evidence · text > Woxna ore was processed using VeRoLiberator® \("VeRo"\) milling equipment **Bench Scale Only** Polarity: negative Definition: Only preliminary bench tests completed — no locked-cycle or pilot work. Why it applies: The results are described as preliminary testwork and purification trials conducted by a specialist contractor. Evidence · text > While the findings are preliminary and further optimization work is planned **Multi-Domain Tested** Polarity: positive Definition: Variability across ore domains \(oxide, transition, fresh\) has been addressed. Why it applies: 2 distinct composites were tested ## Extracted facts Stored fact records: 4. Some facts used in scoring do not have a stored record. ## Metallurgical Results (4) ### flotation [Link to this fact](https://atlas-extractions.minestarters.com/news/leading-edge-materials-woxna-graphite-targets-premium-applications-with-confirma--e0d6ffe2-9656-486d-88ae-9a2354c762b1#fact-metallurgical-facts-0) Woxna · graphite #### Identity - Project: Woxna - Commodity: graphite - Region: sweden - Reported Region: Sweden - Ticker: LEM #### Test Work - Program Status: preliminary - Test Type: flotation - Processing Route: flotation - Sample: historical stockpiled material \(oxidized\) #### Recovery - Head Grade: 94 - Head Grade Unit: % LOI #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-06-10T00:00:00.000Z Reasoning: The concentrate purity is high, but the process was intentionally configured for flake size over maximum liberation. - Positive factor: Achieved large-flake retention \(over 50%\) - Negative factor: Performance below expectations due to oxidation and flake-size prioritization Evidence · text > achieving a flake content of over 50% at an LOI of 94% #### Tags used in scoring **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: processing\_route matches the flotation signal ### purification [Link to this fact](https://atlas-extractions.minestarters.com/news/leading-edge-materials-woxna-graphite-targets-premium-applications-with-confirma--e0d6ffe2-9656-486d-88ae-9a2354c762b1#fact-metallurgical-facts-1) Woxna · graphite #### Identity - Project: Woxna - Commodity: graphite - Region: sweden - Reported Region: Sweden - Ticker: LEM #### Test Work - Program Status: preliminary - Test Type: purification - Sample: flotation concentrate \(Test 1A\) #### Recovery - Head Grade: 97.65 - Head Grade Unit: % LOI #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-06-10T00:00:00.000Z Reasoning: Moderate purity achieved in a single stage. - Negative factor: Required second stage to exceed 99% purity Evidence · text > HCl alone, Test 1A, yields only moderate purity in a single stage, achieving LOI values of 97.65% ### purification [Link to this fact](https://atlas-extractions.minestarters.com/news/leading-edge-materials-woxna-graphite-targets-premium-applications-with-confirma--e0d6ffe2-9656-486d-88ae-9a2354c762b1#fact-metallurgical-facts-2) Woxna · graphite #### Identity - Project: Woxna - Commodity: graphite - Region: sweden - Reported Region: Sweden - Ticker: LEM #### Test Work - Program Status: preliminary - Test Type: purification - Sample: flotation concentrate \(Test 1B\) #### Recovery - Recovery: 99.96 % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-06-10T00:00:00.000Z Reasoning: Demonstrates a cost-effective and industrially practical route to high purity. - Positive factor: High purity achieved without energy-intensive pre-heating Evidence · text > Without the energy-intensive preheating step, an LOI of 99.96% with similar impurity profiles, was achieved ### purification [Link to this fact](https://atlas-extractions.minestarters.com/news/leading-edge-materials-woxna-graphite-targets-premium-applications-with-confirma--e0d6ffe2-9656-486d-88ae-9a2354c762b1#fact-metallurgical-facts-3) Woxna · graphite #### Identity - Project: Woxna - Commodity: graphite - Region: sweden - Reported Region: Sweden - Ticker: LEM #### Test Work - Program Status: preliminary - Test Type: purification - Sample: flotation concentrate \(Test 2B\) #### Recovery - Recovery: 99.99 % #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-06-10T00:00:00.000Z Reasoning: Highest purity achieved, though potentially higher cost due to heating. - Positive factor: Highest LOI value in the test series - Negative factor: Requires energy-intensive pre-heating Evidence · text > The best overall results were achieved through a two-stage process combining a sodium hydroxide bake with subsequent HCl leaching - the highest LOI value of the entire test series at 99.99%, Test 2B. ## How Atlas produces this analysis Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.