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แหวน, สร้อยคอ, and bracelets are rarely just pure ทอง; they are often embedded with diamonds, emeralds, sapphires, or other stones. The good news is that it is absolutely possible to test gold in jewelry without removing the stones, as long as the right testing method is used. Modern, non-destructive testing technologies such as เอ็กซ์เรย์ฟลูออเรสเซนต์ (เอ็กซ์อาร์เอฟ) allow professionals to determine the purity of gold in mounted jewelry accurately, safely, and without causing damage to the stones.

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Why Conventional Methods Struggle with Stone-Set Jewelry

Traditional gold testing methods, like acid tests or fire assays, are not ideal when gemstones are involved:

  • Acid testing requires scratching or exposing a small part of the metal, which risks damaging the jewelry and does not give precise results when stones cover parts of the surface.
  • Fire assay is highly accurate but destructive, meaning the jewelry cannot remain intact after testing. Clearly, this is unacceptable for valuable gemstone jewelry.
  • Touchstone tests are simple but imprecise, especially if stones prevent consistent contact with the metal.

These limitations created a demand for a solution that can accurately test gold purity in jewelry with stones without damage—and this is where XRF technology excels.

How XRF Technology Solves the Problem

เอ็กซ์อาร์เอฟ (เอ็กซ์เรย์ฟลูออเรสเซนต์) works by directing X-rays onto the surface of the jewelry. The gold atoms in the sample emit a unique signal that the analyzer interprets into an accurate purity reading. Because this process is ไม่ทําลาย, the jewelry does not need to be dismantled, and stones remain unharmed.

Advantages for testing stone-set jewelry include:

  • No Need to Remove Stones: The device analyzes exposed areas of gold without requiring stone removal.
  • ผลลัพธ์ที่รวดเร็ว: Readings are available within seconds, making it ideal for retail stores and pawn shops.
  • Accurate Purity Measurement: Detects differences in karats (เช่น, 14K, 18K, 24K).
  • Safe for Jewelry: No scratching, no chemicals, and no damage to stones.

For jewelers handling gemstone jewelry, this is the most professional, customer-trusted method.

Real-World Scenarios Where This Matters

  • Jewelry Stores: When customers bring in rings with diamonds, staff can test the gold content directly without tampering with the stone settings.
  • Pawn Shops & การรีไซเคิล: Instant, non-destructive testing builds trust with clients and protects high-value items.
  • ผู้ผลิต & การควบคุมคุณภาพ: Factories producing gold jewelry with stones need to ensure purity standards without damaging their products.
  • Refiners: While final refining uses destructive tests, XRF is invaluable for initial sorting and verification.

Vray Instruments: Professional Gold Testing Solutions

As an industry leader in precious metal analysis, Vray Instruments has developed a complete portfolio of เครื่องทดสอบทองs designed specifically to handle real-world challenges like testing jewelry with stones. Whether for retail, manufacturing, or recycling, VRAY offers reliable, ถูกส่วน, and user-friendly XRF solutions.

Recommended Devices for Testing Gold Jewelry with Stones

Perfect for jewelry shops and refineries that need quick, precise analysis. Its advanced detection system and interference reduction programs ensure stable results, even when stones partially cover the gold surface.

Equipped with a specialized Si-PIN detector, พื้นที่ วีอาร์-X5 enhances sensitivity, making it ideal for analyzing complex jewelry pieces with multiple gemstones. Its built-in computer and HD display make operations simple and efficient.

  • วีอาร์-M5 เครื่องวิเคราะห์ทองคำแบบพกพา

Designed for mobility, the VR-M5 is a มือถือ solution that jewelers or pawn shop owners can use on the spot. Its compact size and built-in camera make it easy to test gold jewelry without disturbing embedded stones.

A benchtop model with a high-precision stage, allowing professionals to test very small, exposed areas of gold on stone-set jewelry. Perfect for laboratories and wholesale gold inspection.

  • VR-H5 Handheld Gold Analyzer

มีน้ำหนักเบา, แบบ พก พา, and equipped with dual-beam technology, the VR-H5 is highly suitable for mobile testing services or in-store quick verification of stone-set jewelry.

Each of these devices provides a ไม่ทําลาย, stone-safe solution for accurately determining gold purity in complex jewelry designs.

Choosing the Right Analyzer for Your Needs

When deciding which device is right for your business, พิจารณา:

  • Type of Operation: Jewelry store, pawn shop, recycling center, or factory.
  • Mobility Needs: พกพาได้ (วีอาร์-M5, วีอาร์-เอช 5) vs. ตั้งโต๊ะ (วีอาร์-X3, วีอาร์-X5, วีอาร์-ที 7).
  • Level of Accuracy Required: For basic customer verification, entry-level models are sufficient. For laboratories or high-purity testing, advanced devices like the VR-T7 or วีอาร์-ที 9 are recommended.
  • งบประมาณ & Volume of Testing: High-traffic retail stores may prioritize speed and ease of use, while research labs value extreme precision.

By aligning your needs with VRAY’s product line, you can confidently test gold on jewelry with stones without worry.

ความคิดสุดท้าย

Testing gold in jewelry with stones is not only possible but also highly practical with modern XRF technology. VRAY Instruments provides professional, ถูกต้อง, and safe solutions tailored to the jewelry industry’s needs. Whether you are a jeweler, pawn shop, or gold manufacturer, adopting non-destructive XRF testing ensures both reliability and customer confidence.

คำถามที่พบบ่อย

Q1:Can stones interfere with the accuracy of gold testing?

อัน1:เลขที่. XRF analyzers measure the exposed gold surface. As long as there is sufficient gold surface visible, the reading remains accurate.

ถาม2:Is XRF safe for gemstones?

A2:ใช่. The radiation levels are very low and non-destructive, ensuring no harm to diamonds, sapphires, or other stones.

ถาม3:Do I need to remove the stone before testing?

A3:Not at all. XRF is designed to test jewelry in its complete form, making it ideal for stone-set pieces.

ถาม4:การทดสอบใช้เวลานานแค่ไหน?

A4:Most VRAY analyzers deliver results in just a few seconds, making them faster than traditional methods.

ถาม5:Which VRAY model should I choose for a small jewelry shop?

A5:For most shops, พื้นที่ วีอาร์-X3 หรือ วีอาร์-X5 offers the perfect balance of accuracy, ความเร็ว, and user-friendliness. If portability is important, consider the วีอาร์-M5 หรือ วีอาร์-เอช 5.