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Metal tests reveal the property of various metals and alloys in terms of durability, strength, and failure. It decides whether the metal is suitable for the particular purpose for which it is intended to use. According to one of the best metal testing in Chennai , the metal tests are also known as metallography evaluation, metallographic examination, and metallurgical analysis. While experts use different advanced testing procedures for different metals, this blog is focused on listing a few of the chemical testing methods for precious metals. Scratch & acid test This is one of the most common tests carried out by gold testing labs in Chennai to determine the purity of the metal. A scratch stone is used to scratch the piece of metal and then different types of acids are poured. This method determines the karats and helps determine the value of the end product. However, this method is hazardous as the pouring of acids may burn your fingers. Fire assay Fire assay is one of the oldes...

 Gold has been one of the most precious metals for over a million years. It is combined with other metals to make jewellery of different varieties. There are many ways to test the purity of gold. Since gold is a precious metal it is often found alloyed and mixed with other metals. So it is pertinent to test the purity of the metal. The gold testing machine is used mainly for this purpose. Ways to Test the Purity of Gold Different methods are adopted to test the purity of gold. Karat is the measurement used for measuring the purity of gold. Pure gold is usually known as 24 karat gold. Before the invention of gold testing machine, the purity of gold was tested using porcelain, glass and magnet. The use of porcelain to test the purity of the metal-gold included scratching the sample metal on unglazed porcelain, if the color of the streak is yellow, it is pure gold. Similarly the use of glass to check the purity of gold included scratching the sample metal on a piece of glass, since go...

 A manufacturer of high intensity lighting products that illuminate targets up to 1.5 miles away needed to determine the durability of the searchlights under heavy usage. The lighting systems are used by the military, government, law enforcement, fire fighters and the entertainment industry. The manufacturer hired a testing laboratory to perform Gold testing labs in Chennai to determine durability and help to establish the structural integrity of certain parts, assemblies and adhesives. The lighting system that was tested consisted of a light attached to a battery with a typical coiled cord. It was determined that the weight of the system is 8.6 pounds. When in use, it is often carried by a shoulder strap attached to lifting ears. When the complete searchlight assembly is carried by the shoulder strap, the integrity of the lifting ears comes into question. Additional force might be generated if the person carrying the assembly was running over rough terrain. This action might exer...

Gold is used for preparing jewelry and it’s never out of trend because of its credibility and charm. Gold is altered into any shape and forms alluring designs. We regularly observe people who are infected with allergy or blemish problems because the gold is contaminated with a mixture of some metals.  The skin gets blemished due to the release of residues from the metal.  Karat is a measurement that is used to decide the purity of gold, 24K is indicated as pure gold. The purity of gold is usually known by the brand on your jewelry which assists in identifying its manufacturer. Metal like Platinum is mixed with gold to make it look shiny white, copper is included in gold for Rose gold look. Usually, metals are mixed in preparation of gold to make it pocket-friendly. If budget permits then one can prefer to buy pure gold as it is expensive. As there are lots of contaminants like metals being added to the gold for various reasons one should always be aware of fake gold jew...