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MINING & MINERALS

Independent Inspection, Sampling & Trade Assay — From Pit to Port

The mining and minerals sector forms the backbone of global industry — powering construction,
energy, manufacturing, and technology.
BQCIS provides neutral, third-party evidence for ores, concentrates, and refined metals.
We reduce disputes, accelerate payments, and protect value with standardized sampling, ISO-aligned testing, and QR-verifiable certificates.

  • Independent supervision at load-out
  • Representative sampling
  • Traceable results

Why BQCIS for Metals & Minerals

  • Neutral oversight: Independent supervision at mine sites, stockyards, warehouses, ports, and vessels — no conflicts, just facts.
  • Representative sampling: Documented plans, sealed splits, and full chain-of-custody from the first increment to the final certificate.
  • Defensible analytics: Chemical assay, moisture, sizing, and impurity determinations performed to recognized methods with QA/QC controls.
  • Traceable reporting: Time-stamped photos, calibrated scale references, and QR-secure certificates anyone can verify in seconds.
  • End-to-end coverage: Grade control, blending, load-out, marine/draft surveys, and dispute resolution (umpire).

Left: Inspector collecting increments from a stockpile. Right: Crucibles and furnace in assay lab. Captions: “Representative increments under a documented plan.” · “Assay under validated methods.”

What We Do

Inspection & Supervision

  • Pre-shipment inspection (PSI) & inbound receiving checks
  • Loading / unloading supervision; warehouse cleanliness; container sealing
  • Draft survey, weighbridge correlation, tally & sampling witness
  • Blend planning and supervision to reach target grade/moisture

Testing & Analysis

  • Multi-element assay (ICP-OES / ICP-MS); fire assay for Au/Ag; XRF screening
  • Moisture determination (Karl Fischer / oven) with documented method
  • Sizing / granulometry, bulk density, LOI/volatiles; impurity / penalty elements
  • QA/QC controls (duplicates, blanks, CRMs); uncertainty & method-bias tracking

Sampling & Preparation

  • Lot definition; stockpile / conveyor / truck / grab sampling
  • Increment rules (time- or mass-basis), minimum increment mass; contamination controls
  • Reduction & compositing via riffle/splitter; moisture tins sealed & labeled
  • Duplicates, travel blanks, and sealed reference splits for buyer/seller/umpire labs

Verification & Reporting

  • Scale certificates and correlation notes; drift checks
  • Photo logs with timestamps / geo-tags; seal numbers & integrity photos
  • Variance analysis vs. contract specs & historical liftings; weight/draft reconciliation
  • QR-secured certificate and consolidated digital report pack (PDF + optional data export)

Our Method: Sample · Test · Verify · Certify

Sample: Representative increments under ISO/ASTM plans; sealed custody splits.

Test: Accredited partner labs; duplicates, blanks, spikes, CRMs.

Verify: Weight/draft reconciliation, variance analysis, seal confirmation.

Certify: QR-secure certificate with results, seals, photos, and verification link.

Who We Serve

Producers · Traders · Smelters & Refineries · Terminals & Warehouses · Banks & Insurers · Government Agencies & Exchanges

Commodities We Handle

  • Base metals: copper, zinc, lead concentrates; nickel sulfides/mattes; cobalt hydroxide
  • Bulks: iron ore fines/lumps, manganese ore, bauxite & alumina, coal & coke
  • Battery feedstocks: spodumene (lithium), nickel intermediates
  • Precious metals: doré, tailings/slag samples (witnessed)
  • Refined/semi-finished: aluminum ingots/billets, ferroalloys, scrap metals

Global Coverage

  • South America: Copper and zinc (Peru); iron ore and bauxite (Brazil); aluminum (Argentina).
  • Africa: Cobalt and copper (DRC); gold (Ghana); manganese (South Africa).
  • Asia: Nickel (Indonesia); rare earths (China); iron ore (India).
  • Europe & Middle East: Steel/aluminum verification hubs; refinery audits in UAE & Turkey.

Outcomes Our Clients See

  • Variance down: Weight/quality variance window reduced to ±0.4%.
  • Fewer disputes: Quality claims down >50% after protocol adoption.
  • Faster release: Clear reports accelerate payment and customs processes.

Program Options

  • Ad-hoc shipments: rapid mobilization
  • Contract programs: recurring liftings with KPIs
  • Blending oversight: live adjustments to meet target specs
  • Umpire support: custody splits for buyer/seller/umpire labs

Deliverables (“Evidence Pack”)

  • Sampling plan & map; contamination controls; PPE records
  • Composite formation & sealed split registry
  • Assay & moisture reports with QA/QC summary
  • Draft/weight reconciliations & scale certificates
  • Seal log with photos, timestamps, geo-tags
  • Variance & trend analysis (current vs. historical)
  • QR-secured certificate + consolidated PDF; optional CSV/JSON export

Service Levels & SLA

  • Express: moisture same day; assay in 24–48h
  • Standard: balanced turnaround
  • Complex: multi-method or multi-site with agreed timelines

KPIs: variance window, integrity incidents, report lead time, QA/QC pass rate, certificate reissue rate.

Compliance & Methods

  • ISO Standards (e.g., ISO 12743 for concentrates)
  • ASTM International
  • London Metal Exchange (LME) specifications
  • ICC UCP 600: Bankable trade documentation rules for Letters of Credit
  • ICMM Sustainable Mining Principles

Case Studies

  • Ending Moisture Disputes in Copper Concentrate Shipments: KF triplicate → variance tightened, disputes fell.
  • Umpire Assay + Blending Stabilizes Copper Grade: Umpire protocol + blend-to-target at load-out → grade variability reduced.

Risk & Safety

  • Operational safety: dust control, slope stability, traffic management, confined space & hot-work rules
  • Sample safety: contamination prevention, sealed tins, custody seals, controlled storage
  • Integrity controls: dual sign-off; seal photos; timestamped custody records

Disputes & Umpire

Before shipment: align on sampling & dispute protocol; nominate umpire lab; define split distribution.
Trigger conditions: variance thresholds, seal breach, method deviation.
Process: release custody split to umpire; reconcile results; document final settlement.

Digital Assurance & Portal

  • QR-secured certificates linking to verified digital records
  • Data exports: PDF + optional CSV/JSON; API access on request
  • Audit trails for access, versioning, and revocation

Typical Use Cases

  • Concentrates (Cu/Zn/Pb): harmonized sampling; three-point moisture; fewer disputes
  • Iron ore: size & chemistry alignment; draft survey reconciliation
  • Bauxite & alumina: impurity and moisture control to minimize penalties
  • Battery feedstocks: bag-to-warehouse traceability; custody splits; documented moisture conditioning
  • Precious metals: witnessed sealing, dual-control assay, custody chain

Ready to Ship with Confidence?

Book an inspection · Request a sampling plan review · Talk to a minerals specialist

Connect with us via the Contact Page,
or explore Insights & News
and Sample Reports.

Why Choose Us ?

Trusted Quality Control for Complex Supply Chains

BQCIS supports producers, traders, brands, and operators in verifying quality, safety, and compliance at every stage—from extraction and processing to final retail delivery.

Our integrated team of field inspectors, lab analysts, and auditors ensures thorough oversight, all coordinated through a secure client portal for scheduling, data access, and certificate verification.

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