AM round clasp with cups, outer diameter of the clasp 12mm, inner...
AM round clasp with cups, outer diameter of the clasp 14mm, inner...
Tags
Liquids for proof
A test stone for verifying the authenticity of precious metal products.The surface should be cleaned of old traces before reuse. After cleaning the stone, apply a uniform trace on the clean surface of the test stone. The test is carried out along the long side of the stone. Dimensions: 100 x 50 x 12 mm.
Complete set of test liquids, 10ml each, in set: Test liquid no 1 (200-400) Test liquid no 2 (400-500) Test liquid no 3 (500-650) Test liquid no 4 (650-850) Test liquid no 5 (820-920) Gold chloride 0,18
Complete set of test liquids, 10ml each, in set: Test liquid no 1 (200-400) Test liquid no 2 (400-500) Test liquid no 3 (500-650) Test liquid no 4 (650-850) Test liquid no 5 (820-920) Chrome liquid