Gold Nanoparticles Color from 1nm to 150nm

Return Policy

Our Customer Service Department is available to assist you should a problem arise with your order.  Please inspect your packages immediately upon receipt and notify us promptly of any damage or discrepancies.  Should an item be shipped to you incorrectly, as the result of an error on our part, we will take quick and appropriate action to correct the problem.

Prior to returning any items, please contact the Customer Service Department to obtain an Return Material Authorization (RMA) and shipping instructions.  A return authorization will ensure the safe and proper handling of material and enable us to expedite a resolution.  Items returned without prior authorization may not be accepted.  Shipment of authorized returns should be made within 7 days of the issuance of the RMA.

We will do our best to fulfill requests to return material.  However, in order to maintain the quality of our products and continue to provide competitive prices, certain items may not be returned for credit. These items include: diagnostic reagents; refrigerated or frozen products; reagents and standards which have passed their expiration dates; custom products or special offers; or products missing labels. Returns accepted for items ordered in error may be subject to a 20% processing fee and all returns must be returned within 14 days of purchase.

If you have received the wrong product or amount, you must let us know within 7 days of purchase for replacement. Any issues with any products must be brought to our attention within 30 days.

If you have ordered the wrong product, please contact us immediately. We can either replace the product either free of charge or with a significant discount. However, shipping charges cannot be refunded on incorrectly ordered products.