Reagent for qualitatively detecting paraquat and method for detecting paraquat in urine

• Main Author: ZHAO YONGXIU
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2010
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention relates to a reagent for qualitatively detecting paraquat and a method for detecting the paraquat in urine, which are used for quickly detecting the most common pesticide poisoning, namely paraquat poisoning. The reagent comprises a reagent A and a reagent B, wherein the reagent A is sodium bicarbonate; and the reagent B is alkali sodium dithionite or sodium dithionite. The method for detecting the paraquat comprises the following steps of: taking 10ml of urine of a patient, putting the urine in a clean plastic cup, adding 2.0g of the reagent A into the cup, and after the reagent A is completely and uniformly dissolved, adding 1.0g of the reagent B into the cup, wherein if the urine contains paraquat ions, the urine immediately turns blue, and the darker the blue color is, the higher the concentration of the paraquat in the urine is. The reagent has the advantages of high accuracy, no false positive and false negative, high sensitivity, specificity and uniqueness.