whatsapp button
Home
  • About
    • Company
    • Careers
    • FAQ
  • Products
    • Product Categories
      • Metal Testing Equipment
      • Portable Testers
      • Environmental Chambers
      • Accelerated Weathering Testers & Chambers
      • Metallography Equipment
      • Spectroscopy & Analytical Instruments
      • Rubber & Elastomer Testing Equipment
      • Plastic Testing Equipment
      • Plastics PVC / Pipe Testing Equipment
      • Flexible Packaging & Film Testing Equipment
      • Adhesive Tape Testing Equipment
      • Color, Paint & Coating Testing Equipment
      • Paper & Cardboard Testing Equipment
      • Geosynthetics and Geotextile Testing Equipment
      • Textile Testing Equipment
      • Asphalt Testing Equipment
      • Cement Testing Equipment
      • Concrete Testing Equipment
      • Soil Testing Equipment
      • Rock and Aggregates Testing Equipment
      • Coal Testing Equipment
      • Life Sciences & Biotechnology Instruments
      • Battery Testing Equipment
      • Metrology Equipment
      • Semiconductor and Electronics Reliability Testing Equipment
      • Petroleum Testing Equipment
      • Gold Tester and Precious Metal Analyzers
      • Pharmaceutical Testing Equipment
      • Medical Testing Equipment
      • Microscopes
      • XRF Analyzers
      • Automotive Testing Equipment
      • Fire and Flammability Testing Equipment
      • Lab and Industrial Furnaces
      • PPE Testing Equipment
      • Cable & Wire Testing Equipment
      • Cannabis Testing Equipment
      • Face Mask Testing Equipment
      • Food Testing Equipment
      • Water Quality & Moisture Analysis
      • CNC Milling & Lathe Machines
      • Freeze Dryers
      • Analytical Balances
    • Application
      • Tensile Testing
      • Hardness Testing
      • Impact Tester - Impact Testing Machine
      • Sample Specimen Preparation
      • Visual Inspection
      • Permeability Testing
      • Density Testing
      • Thermal Analyzer
      • ISTA Packaging Testing
      • Viscosity Testing
      • Rheology Testing
      • Thickness Testing
      • Drop Testing
      • NDT - Non-Destructive Testing
      • Bend Testing
      • Compression Testing
      • Abrasion Testing
      • Surface Roughness Testing
    • Search by Standard
  • Services
    • Technical Support
    • Finance Packages
    • Educational Program
    • Turnkey Solutions
  • Blog & News
    • News
    • Articles
    • Newsletters
  • Online Store
  • Search
  • Contact
Worldoftest Main Menu
  • About
    • Company
    • Careers
    • FAQ
  • Products
    • Product Categories
      • Metal Testing Equipment
      • Portable Testers
      • Environmental Chambers
      • Accelerated Weathering Testers & Chambers
      • Metallography Equipment
      • Spectroscopy & Analytical Instruments
      • Rubber & Elastomer Testing Equipment
      • Plastic Testing Equipment
      • Plastics PVC / Pipe Testing Equipment
      • Flexible Packaging & Film Testing Equipment
      • Adhesive Tape Testing Equipment
      • Color, Paint & Coating Testing Equipment
      • Paper & Cardboard Testing Equipment
      • Geosynthetics and Geotextile Testing Equipment
      • Textile Testing Equipment
      • Asphalt Testing Equipment
      • Cement Testing Equipment
      • Concrete Testing Equipment
      • Soil Testing Equipment
      • Rock and Aggregates Testing Equipment
      • Coal Testing Equipment
      • Life Sciences & Biotechnology Instruments
      • Battery Testing Equipment
      • Metrology Equipment
      • Semiconductor and Electronics Reliability Testing Equipment
      • Petroleum Testing Equipment
      • Gold Tester and Precious Metal Analyzers
      • Pharmaceutical Testing Equipment
      • Medical Testing Equipment
      • Microscopes
      • XRF Analyzers
      • Automotive Testing Equipment
      • Fire and Flammability Testing Equipment
      • Lab and Industrial Furnaces
      • PPE Testing Equipment
      • Cable & Wire Testing Equipment
      • Cannabis Testing Equipment
      • Face Mask Testing Equipment
      • Food Testing Equipment
      • Water Quality & Moisture Analysis
      • CNC Milling & Lathe Machines
      • Freeze Dryers
      • Analytical Balances
    • Application
      • Tensile Testing
      • Hardness Testing
      • Impact Tester - Impact Testing Machine
      • Sample Specimen Preparation
      • Visual Inspection
      • Permeability Testing
      • Density Testing
      • Thermal Analyzer
      • ISTA Packaging Testing
      • Viscosity Testing
      • Rheology Testing
      • Thickness Testing
      • Drop Testing
      • NDT - Non-Destructive Testing
      • Bend Testing
      • Compression Testing
      • Abrasion Testing
      • Surface Roughness Testing
    • Search by Standard
  • Services
    • Technical Support
    • Finance Packages
    • Educational Program
    • Turnkey Solutions
  • Blog & News
    • News
    • Articles
    • Newsletters
  • Online Store
  • Search
  • Contact
Qualitest logo mobile
   Phone: 1-877-884-8378
   Fax: 954-697-8211 
   Email: info@qualitest-inc.com
Please contact us for the nearest sales office and distributor to you.
  USA / CANADA / UAE / KSA / GCC / EU / INDIA / APAC / AFRICA / LATIN AMERICA

  info@qualitest-inc.com
  1-877-884-8378

  1. Home
  2. Newsletter

Precious Metal Verification: Beyond the Acid Test - QualiNewsletter #18

Precious Metal Verification: Beyond the Acid Test

Precious metal verification often requires more than a karat stamp or traditional acid test. Qualitest’s October newsletter examines complementary methods for evaluating gold, silver, platinum, and related alloys across jewelry appraisal, scrap sorting, and quality-control workflows. The lineup combines handheld XRF for rapid elemental screening, benchtop EDXRF for composition and plating-thickness analysis, Archimedes-based density testing for non-destructive purity checks, and ultrasonic cleaning to prepare contaminated surfaces before measurement.

Download Full PDF Newsletter 

Match the verification method to the piece, material, and decision at hand. Subscribe to the QualiNewsletter for practical updates on precious metal analysis, XRF and EDXRF testing, density measurement, plating verification, sample preparation, and instrument selection for jewelry, refining, inspection, and quality teams.

Subscribe to the QualiNewsletter 

Qualitest footer logo

  Phone: 1-877-884-8378

  Fax: 954-697-8211

  Email: info@qualitest-inc.com

Please contact us for the nearest sales office and distributor to you.

USA / CANADA / UAE / KSA / GCC / EU / INDIA / APAC / AFRICA / LATIN AMERICA
Connect with us
News
  • Termochemical Trusts Our Rotary Abrader (QualiTA-IIIB)
  • Why Texas A&M Picked Our Shrinkage Ring (ASTM & AASHTO)
  • Tested Under Pressure: Team Qualitest at FABEX 2026
  • Qualitest to Feature Lab Testing at ARABLAB 2026: Booth SSH2-B61
  • Qualitest QualiFI 6000 MFI Earns Plastech Cover Story
more news
Connect with us
Menu
  • About Us
  • Contact
  • Products
  • Technical Support
  • Finance
  • Online Store
  • Newsletter
  • News & Stories
  • Articles
  • Market
  • FAQ
Trusted Seller logo - Qualitest
ASTM International logo SAM.gov Registered U.S. Federal Supplier
SAM.gov Registered U.S. Federal Supplier

REGISTERED U.S. FEDERAL SUPPLIER

Active SAM.gov Registration

UEI: MTN4M2D8YHP8 | CAGE: 3MWQ0


© 1999-2026 Worldoftest.com - Qualitest North America. All Rights Reserved