Common Dyes used in Flow Cytometry. Protein Cross Linkers and Modifiers. Quality peptides and Bioanalytic reagents, mainly focus on Apoptosis and Epigentics.

More than 245 years in business. Providing a number of services from Hallmarking, Laser Etching and Mark Identification. Raquo; Find out more. The oldest form of consumer protection, the history of the hallmark dates back as far 1300. Raquo; Find out more. Precious metals have been analysed and hallmarked for well over 200 years. Raquo; Find out more. Same-day valuation service, rather than the standard six-to-eight week wait time of a high street jeweller. Raquo; Find out more. Do you have any items tha.

Achieve the gold standard with the Singapore Assay Office. The Singapore Assay Office is an independent body that tests and certifies precious metal articles such as gold, silver, platinum and palladium. The Singapore Assay Office provides Assaying and Hallmarking services. Assaying services include Fire Assay Cupellation and X-Ray Fluorescence Spectrometry.

AOW goes directly to the source of metal in secure armored vans with advanced monitoring systems. Trained employees melt before your very eyes ensuring you get the most accurate measurements and highest value for your metals. Payout terms are settled immediately inside the van making AOW the most convenient metal buyer on the market. AOW has an in-house developed software package that makes processing, paying and reporting all buys easy and fast. This software enables the collection of important data.