What is Hallmarking and Karat Meter?
Hallmarking is the accurate determination and official recording of the
Proportionate content of precious metal in precious metal (gold or silver) articles.
Hallmarks are thus official marks used in many countries as a guarantee of purity or fineness of precious metal (gold or silver) articles.
To protect consumer against victimization due to irregular gold or silver quality,
Develop India as a leading gold market centre or
Hallmarking centre in the World and to develop export competitiveness. To protect consumer against victimization due to irregular gold or silver quality, develop India as a leading gold market centre in the World and to develop export competitiveness. It will provide clear indication of his capability, strong evidence of commitment to quality and assurance of consistency in purity and quality of gold (or silver) jewellery.
Before tendering jewellery for hallmarking, from each lot (either manufactured by same Gold smith or of similar design/Technology) a representative sample must be fire assayed (destructive sampling) to confirm the fineness for which is to be hallmarked. A record for the same is essential to ensure that the jewellery being sent for hallmarking meets declared purity. Hollow and studded Jewellery is not normally accepted for hallmarking. Hence it is advised to send jewellery in semi finished condition (before studding) to avoid any damage. Each piece of jewellery must have an identification logo (jeweler's logo) and the year of manufacture.
The
Karat meter is a scientific device which uses X-rays to give an exact reading of the purity of gold. Due to its very high precision, X-ray analysis has been adopted by international agencies in India as part of the certification process used to hallmark gold. It is an accurate, non-destructive means of testing the purity of gold and other related elements.
Using this technique, the precise percentage by weight (of karat) in a solid piece of jewelry can be determined in just a few minutes. It also accurately determines the element composition of all types of gold, white gold, platinum, silver, palladium, rhodium and related alloys. Karat meter is a tabletop spectrometer is a fast, non-destructive and accurate tool for measurement of precious metals & finished jewelry. With its compact size, it comfortably fits into small space.
At Quantum Equipment, we are continuously improving & innovating on the established techniques in precious metal analysis.
Every jewelry operation contains numerous hazards that, if left unattended, could lead to injury, illness, and even death. Safety Solutions helps jewelers to avoid such outcomes, providing easy to understand guidelines for maintaining a safe environment. Learn how to properly store and work with chemicals, dispose of hazardous waste, establish safe working conditions, and comply with federal, state, and local codes. Which tool is best for jewelry making.
The flex-shaft is a wonderful tool - but one that jewelers rarely use to its maximum advantage. Usually the first piece of serious equipment in which hobbyists or graduate jewelry students invest, the flex-shaft system makes bench work much easier: It reduces effort and fatigue, enhances production, and can be used for a variety of tasks, from scraping wafer-thin pieces of wax to grinding down larger pieces of metal for hollowware. Despite this, the tools accessories, power specifications, and range of uses have remained a mystery to man.
What is Hallmarking and Karat Meter?
By: Michael Chopra
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