Govt tightens gold and silver import rules, moving mixed-metal and colloidal forms to the restricted list to curb duty ...

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The move comes amid a slight decline in gold imports during April–May, which totaled USD 5.64 billion. Colloidal precious metals are suspensions of gold or silver nanoparticles dispersed in a liquid ...

The government has imposed import curbs on certain colloidal precious metals, with an aim to check the illegal inflow of gold ...

The government has tightened import rules on specific colloidal precious metals. This move aims to curb the illegal entry of ...

India has imposed import curbs on colloidal precious metals to curb illegal gold inflow. The restriction impacts items under ...

A research team including members from the University of Michigan have unveiled a new observational technique that's ...

Institut für Angewandte Physik, Universität Tübingen, Auf der Morgenstelle 10, D-72076 Tübingen, Germany, ISIS, Rutherford Appleton Laboratory, Chilton, Didcot, OX11 0OX, United Kingdom, Chemistry ...

‡ Optical Sciences Division, Code 5611, U.S. Naval Research Laboratory, 4555 Overlook Ave, Washington, District of Columbia 20375, United States § Center for Bio/Molecular Science and Engineering, ...

Researchers have developed a novel one-step colloidal synthesis method for nanoparticles with a unique shell structure with nano-cup morphology that is partly covered with polyethylene glycol (PEG) th ...

Mechanism of Shape Transformation in Gold Nanoparticles GA, UNITED STATES, June 16, 2025 /EINPresswire / -- Gold nanos ...