Accurately verify the gold content of your items with this Gold Testing Acid Kit, designed specifically for gold purity testing. This easy-to-use jewelry tool set includes high purity graphite stone and acid testing solution, providing reliable results through a simple color change reaction based on the gold’s purity level. Ideal for jewelers and gold buyers, this testing kit offers precise verification to distinguish real gold from fake or lower karat metals. Key Features: · Dedicated Gold Testing Kit: Specially formulated for testing gold content, ensuring accurate verification of gold purity. · Acid Color Change: The acid testing solution changes color depending on the purity of the gold sample, providing a clear visual indication of authenticity. · High Purity Graphite Stone: Includes a premium graphite stone that creates a smooth testing surface to leave a sample mark for acid application. · Simple and Fast to Use: Just rub the item on the graphite stone to leave a mark, then apply a drop of the acid testing solution on the mark for immediate results. Real gold remains on the stone, while fake or lower-quality gold dissolves or oxidizes. · Portable and Lightweight: Compact sizes of both the graphite stone and acid testing solution make this kit convenient to carry and store for on-the-go testing. Specifications: · Material: High Purity Graphite Stone & Acid Testing Solution · Graphite Stone Size: Approx. 4.1 x 1.1 x 7.2 cm (1.61 x 0.43 x 2.83 inches) · Acid Testing Solution Size: Approx. 3 x 1.2 x 4.7 cm (1.18 x 0.47 x 1.85 inches) · Total Weight: 90g · Type: Jewelry Tools & Equipment Package Includes: · 1 x Graphite Stone · 3ml x Acid Testing Solution This precise gold testing acid kit is an essential tool for anyone needing to verify gold authenticity quickly and reliably. Its easy application method and accurate acid color change detection make it a trusted choice for professional and personal use alike.