AMC Company specializes in assaying for the precious metals industry. Our company is the industry
standard when it comes to sample analysis, recently ranking #1 among gold assayers in an
international proficiency test given under the auspices of the American Society for Testing & Materials. Based in Austin, Texas we have continually refined and improved our methods of sample analysis over the last 20+ years. Our longevity in the assaying industry is the direct result of our commitment to being the finest and most accurate source for the precious metals industry.
Our Equipment Includes:
- Multiple scales capable of weighing to 1 millionth of a gram
- Repeatability of +/- 2 millionths of a gram
- Scales calibrated annually by independent professionals
- Computer controlled muffle furnaces to +/- 2° F
- Multiple atomic absorption spectrophotometers
Fire Assays
- Standard Fire Assay: single or double
- US Standard Assay: a 3-sample, 2-proof assay that meets ASTM standards
- Precision assay: a 3 sample 3-proof test
- Umpire Assay: designed to give a result to 6 decimal places
- Used for ground, crushed rock or for ground, burned material
- Crucible assays
- Atomic Absorption: used for samples with concentrations of Pt group metals below 15%
- Capacitance Decay: a quick method for testing metallics that is accurate to +/- 5%
- Specific Gravity: effective when working with density
- Karat Gold Determination: Determines karatage of items purchased for resale
- Pulp Analysis: Determines precious metal content of pulp samples
- Solutions Analysis: Determines precious metal content of solutions samples
- Inventory Verification: Provides analysis of inventory samples for audits
- National Stamping Act Standards: Verifies manufactured items' compliance with National Stamping Act Standards
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