QUALITY CONTROL

Our Approach

We procure and curate products from quality suppliers. We apply strict criteria when engaging partners and evaluating their products, processes and people. This is to ensure that our clients have efficient and excellent service, and our hard earned reputation is protected.

We believe in : Clear Terms and Requirements - we use these to make our quality assurance processes appropriate

Responsibility - we take full responsibility for assuring quality

Methods - we agree with our clients/suppliers the evaluation methods needed

Dispute Management - we agree systems and procedures for amicable resolutions

Coherence - we ensure this between our systems and those of our clients/suppliers

Standards

General Standards

ISO 9001: Quality Management Systems: This international standard provides a framework for implementing a quality management system that ensures consistent quality and customer satisfaction. ISO 17025: General Requirements for the Competence of Testing and Calibration Laboratories: This standard ensures the competence of laboratories that perform testing and calibration on metals and minerals.

International Organization for Standardization (ISO):

ISO 4288: Steel - Specification and verification of properties of steel products - Part 1: General **ISO 10002: Quality management - Customer satisfaction - Guidelines for complaints handling in organizations

Gold

LBMA Good Delivery Standard for Gold: Sets the quality and purity requirements for gold bars traded on the London Bullion Market Association (LBMA) market. Society of Refining Engineers (SRE) Gold Standard: Provides guidelines for the production of high-purity gold. ASTM E1188/E1188M: Standard Test Methods for Purity of Gold by the Fire Assay Technique with Atomic Absorption Spectrophotometric Finish International Organization for Standardization (ISO) 11426: Gold or gold alloys -- Determination of fineness by cupellation fire assay

Copper

ASTM A420/A420M: Standard Specification for Chromium Metal ASTM B266: Standard Specification for Ferrochromium International Organization for Standardization (ISO) 10002: Ferrochromium -- Determination of chromium -- Part 1: Titrimetric method International Organization for Standardization (ISO) 14596: Ferrochromium -- Sampling

Nickel

ASTM B643: Standard Specification for Nickel Plate, Sheet, and Strip ASTM B394: Standard Specification for Nickel Ingots and Related Cast Products ASTM B529: Standard Specification for Nickel-Molybdenum and Nickel-Chromium-Molybdenum Alloys in Sheet, Strip, and Plate International Organization for Standardization (ISO) 4950: Nickel and nickel alloys -- Determination of nickel content -- Gravimetric method

Zinc

ASTM B669: Standard Specification for Zinc-Aluminum Alloy Sheet and Plate ASTM B643: Standard Specification for Zinc Sheet and Strip ASTM B809: Standard Specification for Zinc Die Casting Alloy Ingot International Organization for Standardization (ISO) 14291: Zinc ores and concentrates -- Determination of zinc -- Titrimetric method

Tin

ASTM B339: Standard Specification for Pig Tin ASTM B321: Standard Specification for Tin Mill Black Plate ASTM B519: Standard Specification for Tin Foil International Organization for Standardization (ISO) 15590: Tin ores and concentrates -- Determination of tin -- Titrimetric method

Platinum

LBMA Good Delivery Standard for Platinum: Sets the quality and purity requirements for platinum bars traded on the London Bullion Market Association (LBMA) market. ASTM B564: Standard Specification for Refined Platinum ASTM B649: Standard Specification for Platinum Mill Products International Organization for Standardization (ISO) 11419: Platinum and palladium ores, concentrates, and mattes -- Determination of platinum and palladium -- Fire-assay method with gravimetric finish

Manganese

ASTM A496: Standard Specification for Manganous Oxide Briquettes ASTM A601: Standard Specification for Manganiferous Iron Ore International Organization for Standardization (ISO) 14597-1: Manganese ores -- Determination of manganese -- Part 1: Titrimetric method International Organization for Standardization (ISO) 10970: Manganese ores -- Sampling

Chromium

Aluminum/Aluminium

ASTM B209: Standard Specification for Aluminum Alloy Sheet and Plate ASTM B241/B241M: Standard Specification for Aluminum and Aluminum-Alloy Conductors, Hard-Drawn ASTM B316/B316M: Standard Specification for Aluminum and Aluminum-Alloy Rivet and Rivet Wire and Rods International Organization for Standardization (ISO) 6061: Wrought aluminum -- Chemical composition of wrought aluminum alloy products

Lead

ASTM B29/B29M: Standard Specification for Pig Lead ASTM B126: Standard Specification for Lead Sheet and Strip ASTM B729: Standard Specification for Lead Castings International Organization for Standardization (ISO) 11410: Lead ores and concentrates -- Determination of lead -- Titrimetric method

Silver

LBMA Good Delivery Standard for Silver: Sets the quality and purity requirements for silver bars traded on the London Bullion Market Association (LBMA) market. ASTM B557: Standard Specification for Refined Silver Bullion ASTM B450: Standard Specification for General-Purpose Silver Plate International Organization for Standardization (ISO) 11423: Silver or silver alloys -- Determination of fineness -- Fire assay methodASTM B126: Standard Specification for Lead Sheet and Strip ASTM B729: Standard Specification for Lead Castings International Organization for Standardization (ISO) 11410: Lead ores and concentrates -- Determination of lead -- Titrimetric method

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