1kg freight$50, More than 1kg to ask the customer service, buy over$99999999Free shipping。
Name: Tea polyphenol reduced graphene oxide
Status :Black powder
Purity of Tea polyphenol：≥98%
Adsorption, Separation, Load Catalysis, Solid Phase Extraction, Detection and Sensors etc.
Sealed, avoid light,keep dry at room temperature. Expiry date: One year.