Elevating Argentine Gold & Silver Recovery Operations
Advanced Extraction Chemistry for the Deseado Massif and High Andes
United Chemical supplies guaranteed purity AuCyan™ Sodium Cyanide NaCN (≥98.3%), AuCarb™ Gold Recovery Coconut Shell Activated Carbon (≥99% Hardness), and non-hazardous AuLeach™ Gold Leaching Agent (GDA) to empower Heap leaching, Vat leaching, CIP, CIL, and CIC operations across the Argentine mining sector.
The Argentine Mining Landscape: A Symphony of Silver, Gold, and Ice
Argentina represents a vast and highly diverse metallurgical frontier. In the southern Patagonia region, specifically the Deseado Massif in Santa Cruz, world-class epithermal vein deposits yield exceptionally high ratios of silver to gold. Up north in the majestic Andes of San Juan and Salta, massive low-grade gold deposits are processed via Heap leaching at extreme altitudes exceeding 4,000 meters. These distinct geological profiles demand reagents that can withstand extreme cyanicide consumption and freezing kinetic environments.
As an elite manufacturing supplier proudly exporting to 77+ countries, United Chemical provides Argentina with chemical infrastructures designed to dominate these extremes. Furthermore, navigating Argentina's complex provincial environmental laws—where certain provinces completely ban traditional cyanidation—requires innovative compliance. Our product matrix fully supports Carbon-in-Pulp (CIP), Carbon-in-Leach (CIL), Carbon-in-Column (CIC), Heap leaching, and Vat leaching circuits.
Ensuring absolute supply chain security, we operate entirely via maritime ocean freight. We transact under FOB (China ports) or CIF terms directly to vital hubs like the Port of Buenos Aires and the Port of Puerto Deseado. We strictly exclude international railway transport due to hazardous materials restrictions. Backed by a Minimum Order Quantity (MOQ) of 1x20' FCL, we deliver factory-direct efficiency to scale with your production demands.
1. Conquering Argentine Operational Bottlenecks
High Silver "Cyanicide" Ratios (Santa Cruz)
Epithermal deposits in the Deseado Massif often contain massive amounts of silver alongside gold. Silver requires double the stoichiometric amount of cyanide to dissolve compared to gold, aggressively stripping weak reagent pools and crippling overall recovery if purity is compromised.
Freezing High-Altitude Kinetics (San Juan)
At altitudes exceeding 4,000m, freezing temperatures and severe oxygen depletion drastically slow the Elsner dissolution equation in Heap leach pads. In these conditions, only highly concentrated, aggressive free cyanide ions can maintain profitable extraction speeds.
Provincial Cyanide Bans (Mendoza/Chubut)
Due to Argentina's federal system, several provinces have enacted strict laws banning the use of toxic chemicals (like cyanide) in mining. Billions of dollars in gold reserves remain locked underground, desperately awaiting a non-hazardous, legally compliant leaching alternative.
2. The Golden Triangle: United Chemical's Solutions for Argentina
AuCyan™ Sodium Cyanide NaCN (≥98.3%)
Purity Standard: ≥98.3%To overpower the massive silver consumption in Patagonia and the freezing kinetics of the high Andes, AuCyan™ Sodium Cyanide NaCN provides an industrial sledgehammer. We strictly guarantee a minimum purity of ≥98.3% (routinely testing at 98.5%). This unrivaled concentration ensures an explosive release of CN⁻ ions upon dissolution, rapidly cutting through silver cyanicides and jump-starting sluggish cold-water kinetics.
Anti-Scaling Superiority: Extremely low sodium hydroxide (NaOH) impurities prevent the freezing and scaling of drip emitters on high-altitude Heap Leach pads.
Maritime Security: Transported in UN-certified 50kg hermetically sealed steel drums or 1,000kg reinforced wooden boxes. Integrated PE liners protect the briquettes against atmospheric degradation during the long Atlantic voyage.
📊Technical Specification: The 98.3% Purity Standard
Surpassing industry benchmarks, our latest production batches consistently achieve "Superior Quality" grades. Below is the certified performance data .
| Testing Items | Standard (GB/T 19306-2003) | AuCyan™ (Typical) | Operational Impact |
|---|---|---|---|
| Sodium Cyanide (NaCN) | ≥ 98.0% | 98.3% | Maximum gold dissolution kinetics and recovery rates. |
| Sodium Hydroxide (NaOH) | ≤ 0.5% | 0.13% | Superior pH stability; prevents premature hydrolysis. |
| Sodium Carbonate (Na2CO3) | ≤ 0.5% | 0.18% | Minimized impurity interference in the leaching solution. |
| Moisture (H2O) | ≤ 0.9% | 0.3% | Enhanced solid stability during long-term storage and sea transit. |
| Insoluble Substances | ≤ 0.05% | 0.02% | Anti-clogging formula; protects critical pumps and nozzles. |
AuCarb™ Gold Recovery Coconut Shell Activated Carbon
Ball-Pan Hardness: ≥99%High silver loads mean that your activated Carbon must possess massive loading capacity and extreme structural durability. AuCarb™ Activated Carbon is forged from ultra-dense Coconut Shells via intense steam activation. We guarantee an elite ball-pan hardness of ≥99%, ensuring the carbon granules never shatter under the stress of heavy gold/silver complexes in CIL and CIC columns.
Colossal Adsorption Kinetics: Top-tier Iodine and CTC values ensure rapid stripping of voluminous gold and silver solutions, preventing barren liquor loss.
Pristine Pore Network: A low platelet count (≤5%) facilitates fast, efficient thermal regeneration and elution (Zadra/AARL) without organic fouling.
📊 AuCarb™ Series: Core Parameters Intuitive Comparison Table
To facilitate a more intuitive selection process tailored to your specific metallurgy circuit, we have summarized the core technical parameters of our four flagship AuCarb™ variants.
| Core Testing Parameter | AuCarb™ BC1100 | AuCarb™ AC50 | AuCarb™ AC55 | AuCarb™ AC60 |
|---|---|---|---|---|
| Market Benchmarking Positioning | Conventional Heap Leach / High Cost-Performance | Comparable product: Jacobi G208S | Comparable product: Jacobi G209S | Advanced choice for Large Scale / Comparable: Jacobi G210S |
| Apparent Density | 0.40 - 0.50 g/ml | 0.48 - 0.55 g/ml | 0.45 - 0.55 g/ml | 0.45 - 0.55 g/ml |
| Ball-pan Hardness | ≥ 98.5% | ≥ 99% | ≥ 99% | ≥ 99% |
| Platelet Content | ≤ 5% | ≤ 5% | ≤ 5% | ≤ 5% |
| Attrition | ≤ 2% | ≤ 1.5% | ≤ 2% | ≤ 2% |
| Total Ash Content | ≤ 5% | ≤ 3% | ≤ 3% | ≤ 3% |
| Moisture | ≤ 10% | ≤ 5% | ≤ 5% | ≤ 5% |
| Adsorption Capacity (K Value) | / | ≥ 26 Kg/t | ≥ 28 Kg/t | ≥ 30 Kg/t |
| Adsorption Rate (R Value) | / | ≥ 50% | ≥ 55% | ≥ 60% |
| Iodine Number | ≥ 1100 mg/g | / | / | / |
| Butane Activity | / | ≥ 19.5% | ≥ 21% | ≥ 23% |
| CTC (Carbon Tetrachloride Activity) | / | ≥ 50% | ≥ 55% | / |
* Execution Standards: Complies with American ASTM standards and A.A.R.L. internal mining testing standards. The product has passed third-party inspection and test samples can be provided upon request.
AuLeach™ Gold Leaching Agent (GDA) - Non-Hazardous
Non-Hazardous ReagentFor mining projects located in Argentine provinces with strict cyanide bans, AuLeach™ Gold Leaching Agent (GDA) is the ultimate key to unlocking stranded assets. Officially classified globally as a Non-Hazardous chemical, AuLeach™ entirely circumvents toxic goods legislation, allowing gold extraction to proceed in harmony with strict local ESG mandates.
Zero Equipment CAPEX: Fully compatible with existing Heap leaching, Vat leaching, CIP, and CIL infrastructure. Requires absolutely no mechanical retrofitting.
Unrestricted Logistics: Shipped and trucked as general cargo, eliminating the exorbitant costs of hazardous goods import permits and specialized DG escorts across the Pampas.
High Recovery Velocity: Consistently matches or surpasses traditional cyanidation yields on oxidized and semi-oxidized ores, often displaying faster reaction times.
Validate Performance on Your Argentine Ore Samples
Are high silver ratios consuming your reagents? Are provincial environmental bans stalling your project? We invite Argentine Metallurgists, Plant Directors, and Supply Chain Managers to evaluate our chemical superiority independently.
📌 Complimentary Laboratory Sample Availability:
United Chemical proudly provides free laboratory test samples strictly for AuCarb™ Gold Recovery Coconut Shell Activated Carbon and the AuLeach™ Gold Leaching Agent (GDA) - Non-Hazardous. Run comprehensive bottle roll and column tests to verify our kinetic advantages before placing a bulk order.
* Commercial bulk shipments globally commence at a factory Minimum Order Quantity (MOQ) of 1x20' FCL via FOB or CIF maritime terms.
Frequently Asked Questions: Argentine Metallurgy & Logistics
Find clear, expert-driven answers to the most common technical and logistical queries regarding our gold extraction chemicals in Argentina.
1. How does AuCyan™ handle the high silver-to-gold ratios common in Santa Cruz?
AuCyan™ handles high silver-to-gold ratios by providing an ultra-high purity concentration (≥98.3%) of active Sodium Cyanide. Epithermal deposits in the Deseado Massif (Santa Cruz) often contain significant silver, which requires nearly double the stoichiometric amount of cyanide to dissolve compared to gold. If reagent purity is low, silver consumes the active ions, leaving gold un-leached. Our guaranteed ≥98.3% purity ensures an overwhelming surplus of free CN⁻ ions to dissolve both silver and gold simultaneously, maximizing total precious metal recovery.
2. Which Argentine maritime ports do you utilize for CIF deliveries?
We utilize the Port of Buenos Aires and the Port of Puerto Deseado for secure CIF maritime deliveries to Argentina. To support Argentina's vast geographical spread, the Port of Buenos Aires is ideal for central and northern inland transport (such as San Juan and Salta), while the Port of Puerto Deseado is strategically located for operations in Santa Cruz and Patagonia. Once cleared through customs, your appointed local logistics firm handles the inland trucking to the mine site.
3. Can AuLeach™ GDA be used in Argentine provinces that ban cyanide?
Yes, AuLeach™ GDA can be used in Argentine provinces with cyanide bans because it is officially classified as a Non-Hazardous chemical globally. For mining concessions located in provinces (like Mendoza and Chubut) with strict legislative bans on toxic chemicals like sodium cyanide, AuLeach™ provides a fully compliant, eco-friendly pathway to unlock stranded gold reserves without violating provincial environmental mandates.
4. How does AuCyan™ perform at extreme, freezing altitudes in San Juan?
AuCyan™ performs exceptionally well at freezing altitudes by leveraging its ≥98.3% purity to create an intensely aggressive chemical environment that compensates for poor thermodynamics. At elevations above 4,000 meters in the Andes, freezing temperatures and low atmospheric pressure drastically reduce dissolved oxygen in process water, paralyzing normal leaching kinetics. AuCyan's high concentration sustains fast dissolution rates even in cold Heap Leach pads.
5. Why is a ≥99% hardness rating critical for AuCarb™ Activated Carbon?
A ≥99% hardness rating is critical because it prevents the activated carbon from being crushed into dust during the violent mechanical agitation of CIP and CIL plants. If your activated carbon is soft, the impeller blades will grind it down, and this dust—saturated with your extracted gold and silver—will pass through the screens and be lost to the tailings. AuCarb™'s extreme structural integrity ensures zero attrition loss.
6. Do you provide cross-border railway transport to inland Argentine mines?
No, we strictly prohibit the use of international railway transport for our chemical exports. Due to severe international safety regulations governing the movement of hazardous chemicals and the unpredictability of high-altitude rail infrastructure, we secure our supply chain exclusively via maritime ocean container shipping (FOB/CIF) to destination ports.
7. Are there any capital expenditure (CAPEX) costs to switch to AuLeach™?
There are zero CAPEX costs required because AuLeach™ is engineered as a 100% drop-in replacement. Argentine plant managers do not need to purchase new leaching tanks, alter their Heap leach drip irrigation systems, or modify their carbon elution circuits. You simply substitute the cyanide with AuLeach™ while utilizing standard hydrated lime to manage the pH.
8. What is the Minimum Order Quantity (MOQ) for exporting to Argentina?
Our strict Minimum Order Quantity (MOQ) is 1x20' FCL (Full Container Load). This policy applies universally to AuCyan™, AuCarb™, and AuLeach™ to guarantee factory-direct pricing, protect the chemical packaging from damage, and optimize maritime freight costs across the Atlantic Ocean.
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