Zirconium metal-organic framework and a method of detecting copper and chromate ions

US11124530B1 · kind B1 · utility

Assignee

• KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS · SA

Inventors

• Aasif Helal · Dhahran, SA
• M. Nasiruzzaman Shaikh · Dhahran, SA

Key dates

• Filing date: Oct 22, 2019
• Grant date: Sep 21, 2021
• Expiry date: Oct 22, 2039

Classification

• Technology area (CPC G): Physics
• CPC primary: G01N31/22
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A zirconium metal-organic framework, which is a coordination product formed between zirconium ion clusters and a linker that links together adjacent zirconium ion clusters, wherein the linker is of formula (I) wherein R1 to R4 are independently hydrogen, an optionally substituted alkyl, an optionally substituted aryl, an optionally substituted arylalkyl, an optionally substituted alkoxy, a hydroxyl, a carboxyl, a halo, a nitro, or a cyano, R5 is hydrogen, an optionally substituted alkyl, an optionally substituted alkoxy, an amino, a hydroxyl, a carboxyl, a halo, a nitro, or a cyano, and R6 and R7 are independently a hydrogen or an optionally substituted alkyl group having 1 to 4 carbon atoms. A method of detecting copper cations and/or chromate anions in a fluid sample with zirconium metal-organic framework.