Name: Platinum Symbol: Pt Atomic Number: Atomic Mass: amu. Melting Point: °C ( K, °F) Boiling Point: °C ( K Symbol : Pt. Hallmarking of platinum jewellery, weighing over g has been compulsory you can see the second stamp is the traditional fineness symbol. Platinum Registration, Inc. is a registered legal entity. Our company name, logos and certification symbols are controlled owned by Platinum Registration, Inc. No. Despite current adverse side-effects on kidneys and hearing, platinum-based chemotherapy shows a promising future as a form of treatment. Their are countless more examples of such markings. The History and Use of our Earth's Chemical Elements. CLOSE X Edit Favorites Enter up to 25 symbols separated by commas or spaces in the text box below. December 3, at 7: Unlike palladium acetateplatinum II acetate is not commercially available. The STERLING part indicates that your jewelry is real sterling silver. Retrieved from " https: Platinum II and platinum IV bromides are known as. Platinum's special properties put it in large demand in diverse industries. Glossy alphabet letter N. Add a photo Upload error. Markets Drop; Vantiv To Acquire Worldpay. Half-yearly statement on the liquidity contract Did this article help you? Get in Touch info gold-traders.